Arctic Sea Ice : Forum

AGW in general => Consequences => Topic started by: Sigmetnow on July 20, 2018, 01:09:14 AM

Title: Heatwaves
Post by: Sigmetnow on July 20, 2018, 01:09:14 AM
Need a thread for heat waves and their effects.  So here we go.

UPDATE 2-Texas power demand hits all-time peak during heat wave -ERCOT
Quote
July 18 (Reuters) - Texas homes and businesses set an all-time power consumption record on Wednesday as consumers crank up air conditioners to escape a brutal heat wave, according to the operator of most of the state's power grid.

The Electric Reliability Council of Texas (ERCOT) said demand reached 71,438 megawatts (MW) on Wednesday, topping the grid's August 2016 high of 71,110 MW. One megawatt can power about 1,000 U.S. homes.

To keep air conditioners humming, Texas utilities bought electricity from all sources, boosting power prices to their highest in almost seven years. ...
https://www.cnbc.com/2018/07/18/reuters-america-update-2-texas-power-demand-hits-all-time-peak-during-heat-wave-ercot.html
Title: Re: Heatwaves
Post by: jacksmith4tx on July 20, 2018, 01:49:36 AM
I'm right in the middle of this, 118 local temp. From 8:30 AM till 6:15 PM I'm exporting and I put 20kWh on the grid today. I might earn $3.00. with my net metering. Meanwhile ERCOT is paying over $2,000 per MWH from auxiliary generators. ERCOT will pay up to $7,000 in an emergency before they force load shedding.

https://www.washingtonpost.com/news/capital-weather-gang/wp/2018/07/19/a-mega-heat-wave-is-gaining-strength-over-texas-and-the-south-central-united-states/?utm_term=.8bea483fdb89
"A mega-heat wave is gaining strength over Texas and the south-central United States"
An extreme heat wave is hitting Texas and surrounding states. Temperatures in much of that region have been near and past 100 for days, and they will rise there and beyond in the days ahead. Heading toward its peak, this is the most significant heat wave in Texas since 2011, and some record highs could even be in jeopardy before it finishes.

That 2011 drought was one of the worse in Texas history. This drought is just getting started too. Farmers and ranchers are hurting.

http://www.ercot.com/content/cdr/html/loadForecastVsActualCurrentDay.html
Wind: http://www.ercot.com/content/cdr/html/CURRENT_DAYCOP_HSL.html
https://texaselectricnews.com/
Title: Re: Heatwaves
Post by: jacksmith4tx on July 20, 2018, 04:11:07 PM
Global heat wave: an epic TV news fail
https://thebulletin.org/2018/07/global-heat-wave-an-epic-tv-news-fail/
Quote
“Major broadcast TV networks overwhelmingly failed to report on the links between climate change and extreme heat,” according to a Media Matters survey. “Over a two-week period from late June to early July, ABC, CBS, and NBC aired a combined 127 segments or weathercasts that discussed the heat wave, but only one segment, on CBS This Morning, mentioned climate change.”

Any wonder why climate change is at the bottom of the list of things americans worry about?

For example this was on al jazeera today.
https://www.aljazeera.com/news/2018/07/14-dead-tokyo-heatwave-grips-japan-180720090730414.html
Quote
At least 14 people are known to have died in the Japanese capital alone, with the Philippine television network ABS-CBN reporting that the total number of people who have died since the heatwave began on July 9 has reached 30.

Temperatures in the ancient capital of Kyoto was 38.3 degrees Celsius on Thursday, marking the seventh straight day of 38C or higher heat - a level unseen since record-keeping first began.
Title: Re: Heatwaves
Post by: jacksmith4tx on July 22, 2018, 11:29:59 PM
It's above 120F degrees today. Hopefully this should be close to the high temperature for the next few days. Without even looking at a thermometer you can tell how hot it is by just watching the trees dropping their leaves. Everywhere I go there are piles of dead leaves under all the trees.

Weather History for Fort Worth, TX [KTXFORTW320]

Summary, July 22, 2018
High Temperature    123.1 °F
Title: Re: Heatwaves
Post by: Sigmetnow on July 23, 2018, 06:42:23 PM
The disturbing reason heat waves can kill people in cooler climates
It’s not a record-high temperature that necessarily makes a heat wave dangerous. It’s whether you can cool off.
Quote
Heat waves are not an equal-opportunity threat
The common denominator in the recent heat-related deaths and hospital visits in Canada and Japan is that many occurred among people who were already facing health risks and who didn’t have access to cooling. We saw this play out in Quebec, where many of Canada’s recently heat-related fatalities occurred, according to NPR:

Most of the people who died as the region reached temperatures up to 95 degrees are elderly men and women living alone in apartments with no air conditioning, and many had chronic health conditions.

David Kaiser, a physician manager at the Montreal Regional Department of Public Health, confirmed to NPR that 34 of the deaths occurred in the city from June 29 through July 7. With few exceptions, he said, the people were over the age of 50, many between 65 to 85. About 60 percent were men and most had an underlying medical or mental health condition, Kaiser added.


In Pakistan, many of the deaths during its heat wave came during a power outage that swept Karachi that left people with no way to escape the heat. The heat wave in Japan came after massive flooding and landslides that also knocked out power to tens of thousands of homes the week before. ...
https://www.vox.com/2018/7/18/17561266/summer-2018-heat-wave-weather-health
Title: Re: Heatwaves
Post by: Archimid on July 23, 2018, 11:40:15 PM
Japan logs historic high temperature of over 41 C amid persistent heat wave

https://mainichi.jp/english/articles/20180723/p2g/00m/0dm/062000c

Quote
The Tokyo Fire Department dispatched ambulances 3,125 times within the capital on Sunday alone, the largest figure for a day since it began emergency services in 1936, apparently due to a surge in the number of people falling ill from the intense heat.

As of Monday, the number of people who have been taken to hospitals by Tokyo's ambulances due to heatstroke this year stood at 3,544, already surpassing the 3,454 for the whole of last year, according to the department's preliminary report.


That human civilization thrived in a world where almost no place surpasses the temperature limits of the human body is not coincidence.
Title: Re: Heatwaves
Post by: Sigmetnow on July 24, 2018, 12:04:27 AM
Japan Sets its All-Time Heat Record: 41.1°C (106°F)
https://www.wunderground.com/cat6/Japan-Sets-its-All-Time-Heat-Record-411C-106F
Title: Re: Heatwaves
Post by: Bruce Steele on July 24, 2018, 01:40:11 AM
We had a heatwave here in Southern California that set records a couple weeks back. Temperatures here hit 103 F , unusually hot for this coastal influenced climate. The swallows were sitting on their nests with eggs and new fledgling chicks. The babies didn't make it and i have one active nest left. There were about a hundred active birds before the heatwave. I am going to check to see if the adults also expired.
 I asked around at the local feed store and got confirmation other people noticed nest failure and abandonment.
Title: Re: Heatwaves
Post by: jacksmith4tx on July 24, 2018, 07:12:50 PM
Japan needs to get it's Yen/Yang back in balance.
http://tropicalstormrisk.com/tracker/dynamic/201815W.html

Floods, heat waves, typhoons... All they need is another mega earthquake topped off by a major volcanic eruption and they will have a Royal Flush.
Title: Re: Heatwaves
Post by: jai mitchell on July 25, 2018, 06:40:22 PM
https://thinkprogress.org/heat-waves-bother-you-under-trump-climate-policies-add-another-add-12f-fd4ef3ec514e/

 :'(

Heat waves bother you? Under Trump climate policies, add another 12°F
America faces monster 131°F heat waves in the coming decades.

Quote
Typical five-day heat waves in the U.S. will be 12°F warmer by mid-century alone, according to the U.S. National Climate Assessment (NCA), which the White House itself reviewed and approved last November.

Projected changes in annual average temperatures (2070–2099) with strong climate policies (left) and with current policies (right). CREDIT: National Climate Assessment

. . .

For instance, America (and much of the world) will start seeing monster “humid heat waves” — where the heat index hits a fatal 131°F — every other year by century’s end.
Title: Re: Heatwaves
Post by: litesong on July 25, 2018, 07:44:59 PM
The swallows..... babies didn't make it..... other people noticed nest failure.....
Birds & animals die..... poor people & the homeless without A/C die...... The greatness of America is a myth, with help for the poor ALWAYS never lasting, sporadic, racist & NEVER part of the infrastructure.
Title: Re: Heatwaves
Post by: Sigmetnow on July 28, 2018, 07:04:57 PM
Netherlands

Kees van der Leun (@Sustainable2050)
7/28/18, 1:23 AM
“Unbelievable. In 117 years of records here in central NL, the hottest day had a 24h average of 27.1°C.
On Thursday, the record leaped to 27.7°C.
And yesterday, it rocketed to 29.8°C, over 2 full degrees warmer than any day before!
Terrifying, even.”
https://twitter.com/sustainable2050/status/1023076521743970305
Data image at the link.
Title: Re: Heatwaves
Post by: jacksmith4tx on July 28, 2018, 07:26:36 PM
Netherlands

On Thursday, the record leaped to 27.7°C.
And yesterday, it rocketed to 29.8°C, over 2 full degrees warmer than any day before!
Terrifying, even.”

Said the human, as he scurried away to find a air conditioned room and a cool drink of water.

Too bad we can't hear the screams of pain and death from the flora and fauna.
Title: Re: Heatwaves
Post by: Sigmetnow on July 30, 2018, 01:20:10 AM
Looks like alternatives or reformulations for asphalt are needed in our warming world.

Dutch gritters salt roads during heatwave
Quote
Road-users in Arnhem were surprised to see the gritters scattering salt at busy junctions this week, but it seems that salt can be used not only to provide traction in freezing conditions but also to stop asphalt from melting, according to the Algemeen Dagblad newspaper.

The winter visitors have also been seen on the roads of Groningen, Hoorn and Geldermalsen in the last two days, especially at roundabouts where heavy traffic tears the softened asphalt from the road surface.

The councils say salt helps by attracting moisture from the ambient air and cooling the asphalt. It also removes excess moisture from the asphalt, making it less sticky. ...
https://www.bbc.com/news/amp/blogs-news-from-elsewhere-44973082
Title: Re: Heatwaves
Post by: Sigmetnow on July 30, 2018, 11:04:17 PM
Eric Holthaus on Twitter: "Finland, 2018 -- just miles from the Arctic Circle: Sunbathers enjoy record warm temperatures, alongside reindeer. In the distance, a wildfire burns.”
https://mobile.twitter.com/ericholthaus/status/1023932536471347200

July 30:  severe-weather.EU on Twitter: "Heat wave in north Europe: this scene needs no comment - center of Rovaniemi in north Finland at 32 °C. July 20. It is still very hot there today (up to 32 °C in extreme north of Finland). Report: Pekka Niinivaara"
https://mobile.twitter.com/severeweatherEU/status/1023923202928586752
Image below.
Title: Re: Heatwaves
Post by: Shared Humanity on July 31, 2018, 01:12:34 AM
Is that a fire in the distance on the hills?
Title: Re: Heatwaves
Post by: Reallybigbunny on July 31, 2018, 01:33:13 AM
Yes the article points this out.
Title: Re: Heatwaves
Post by: Forest Dweller on July 31, 2018, 03:57:40 PM
Netherlands

Kees van der Leun (@Sustainable2050)
7/28/18, 1:23 AM
“Unbelievable. In 117 years of records here in central NL, the hottest day had a 24h average of 27.1°C.
On Thursday, the record leaped to 27.7°C.
And yesterday, it rocketed to 29.8°C, over 2 full degrees warmer than any day before!
Terrifying, even.”
https://twitter.com/sustainable2050/status/1023076521743970305
Data image at the link.

Yes, all records are broken here pretty much except hottest daytime temp.
We missed that by 0.1 C it seems but the old record was measured by an old man in 1976 who worked a weather station in his garden shed so who knows.(38.2C)

But much worse is the devastating drought, by far the worst in Europe.
While Sweden, Finland, Germany or others have seen intermittent rainy periods there has just been nothing worth mentioning in Netherlands for months now...and there is no end in sight.
There are dozens of fires every day but since human presence is everywhere the response is quick and adequate.
The park in front of my place caught fire for the first time ever.

Remember, this is the country of water and floods which has little idea of how to deal with water shortages and droughts.
We met with a Prof. of climate adaptation at Wageningen University just before summer, and all the focus was on rain bombs, drainage and damage reduction thereof.
I remember getting funny looks when mentioning dry weather patterns could linger...maybe not so much now.
The opposite happens right now, preparing for a worse heatwave next year.
But that may well turn into a different affair with the dreaded rains showing up me thinks...
All in all an unprecedented disaster and literally lethal.
Looking at the satellite everything that should be green is yellow, but the waters are green now from the algae.

Problems everywhere from infrastructure to agriculture and everything else.
As a wildlife researcher especially, working in a hilly area with hardly any water source my heart breaks, and i fear coming winter may finish off much of what is left after summer.
Animals will have very few reserves with food sources already not producing or dead.

Title: Re: Heatwaves
Post by: RikW on July 31, 2018, 04:02:55 PM
Yeah, same here; I live near the largest 'forest' in the Netherlands, but it's all sand where it's growing on, so it's extremely dry. Lot's of small fires in the region along the roads/train tracks. All the heath is dried out and a ticking time bomb. Too often cigarettes thrown away by people...
Title: Re: Heatwaves
Post by: wili on July 31, 2018, 04:14:31 PM
msnbc takes a rare break from non-stop Trump coverage to notice that the world is burning (but they still have to start with a trump shot!):

http://www.msnbc.com/all-in/watch/record-setting-temperatures-around-the-world-this-summer-1288753219853
Title: Re: Heatwaves
Post by: colchonero on July 31, 2018, 05:19:32 PM
Can't wait for the new GFS run tomorrow (0z or 6z), it could be really historical. We could break European record from Athens that was set on 10th of July 1977. when there was 48C recorded! On Friday at 14h CET (central European time) GFS 6z from today has 44C and at 17h it has 49C for the same area forecasted!!!  But wait, we ain't over yet. On Saturday GFS has 49C already at 14h (there is no 3h update by the GFS that far away. 3h update ends on +84h and Saturday afternoon is still almost 100h away, so there is just data for 14h and 20h  local time on Saturday). The place where this could happen is Portugal/Spain area (Iberian peninsula). It is worth noting for those who don't know, that over there in summer (because of the time zones) the warmest part of the day is around 17hCET (that is also Spanish time) =16h Portugal time. So there is a chance that tomorrow we might see 50C forecasted on European soil for the first in history by some meteorological model. But even if it does show that tomorrow it's not a sure thing that it will  happen indeed, cause when temperatures are forecasted to be that high, even a smallest thing can "stop" progress for an hour and keep the daily high 3C lower.

Last year we broke Spanish record (47,3 in Montoro) and were just 0,7C short of breaking European record, is this the year, Iberian peninsula takes the warmth trophy from Greece ;)???.

(https://forum.arctic-sea-ice.net/proxy.php?request=http%3A%2F%2Fmodeles2.meteociel.fr%2Fmodeles_gfs%2Fruns%2F2018073106%2F78-778SP.GIF%3F31-6&hash=8d2f3f0688cf498465eb8a7e6636ec17)
(https://forum.arctic-sea-ice.net/proxy.php?request=http%3A%2F%2Fmodeles2.meteociel.fr%2Fmodeles_gfs%2Fruns%2F2018073106%2F81-778SP.GIF%3F31-6&hash=93d5e40317a4f0a2bdb3026b2ec42445)
(https://forum.arctic-sea-ice.net/proxy.php?request=http%3A%2F%2Fmodeles2.meteociel.fr%2Fmodeles_gfs%2Fruns%2F2018073106%2F102-778SP.GIF%3F31-6&hash=50f268094199e17dee8d496062884d4d)
Title: Re: Heatwaves
Post by: colchonero on July 31, 2018, 06:17:47 PM
GFS forecasters didn't want to wait for tomorrow, so they've raised temperature even more in their last run ;D, now we officially have 50C already on Friday at 17h, and where there is on there is place for another one too, so we also have 50C on Saturday at 14h. 8)
Title: Re: Heatwaves
Post by: bbr2314 on July 31, 2018, 06:56:13 PM
That is absolutely absurd. Hopefully there will be no massive wildfires concurrent but recent history does not give hope.
Title: Re: Heatwaves
Post by: colchonero on July 31, 2018, 07:24:13 PM
Yup, I think this is the first time in history, that a model (GFS/ECMWF don't know about the others) has shown 50C in short range forecast(less than 100h from release date).
Title: Re: Heatwaves
Post by: Stephan on July 31, 2018, 08:27:00 PM
The heat wave in Germany goes on and on and on.
Today the hottest temperature was recorded in Bernburg (Saale), Sachsen-Anhalt. The weather station measured 39.2°C. And in that area there was almost no rain since late April. It looks very sad and bad there. The harvest is ruined, corn and crops had to be harvested much earlier than in other years, and the yield was mostly less than 50 per cent of what it should be.
Politicians have met today to discuss the topic. But they will not act to support the farmers before end of August, when the harvest report for 2018 is officially available. I am not sure whether all the farmers can wait such a long time...
Title: Re: Heatwaves
Post by: Forest Dweller on August 01, 2018, 11:58:33 AM
Yeah, same here; I live near the largest 'forest' in the Netherlands, but it's all sand where it's growing on, so it's extremely dry. Lot's of small fires in the region along the roads/train tracks. All the heath is dried out and a ticking time bomb. Too often cigarettes thrown away by people...

Yup Rik, Veluwe area i presume where you are?
'forest" in brackets lol, that is correct.
Still the best we have, i keep telling people here to stop making more heath landscapes and call it nature.
Useless landscapes in any extreme they are.
I tell them to stop fighting invasive species like cherry because they are fundamental to the food chain and better adapted to climate.
They think i am crazy mostly of course...planting beech trees with zero chance of surviving looks heroic and is a good excuse to log the rest, make some more biomass too.
Us Dutch think we can recreate the vegetation of the middle ages and call it natural, in a climate emergency situation...so who's crazy?
Hands off everything is too difficult to understand for the industrially brainwashed it seems.

Just checking the models today it is hard to believe what they are saying.
Massive heat and more drought all the way in the 10 day forecast.
39 C and just 1 day with maybe a few mm rain....disastrous.
I may have to become a climate refugee if this is the trend for summer, seriously.
Iv'e been locked up in the house for months now because of all the health issues.
My skin goes apeshit in just 10 minutes of sun, my nose feels like hot knives are poked in making my head explode, my whole body is affected and trembling, cramping up.
No way i can go out in the field for wildlife research, i'm just trying to make it through at the moment.
I should go study pine martens in Scotland from now on...
Title: Re: Heatwaves
Post by: Sigmetnow on August 01, 2018, 06:32:27 PM
“Death Valley, California just clinched the hottest month ever recorded on Planet Earth. Average high: 121°F (49°C) Average low: 96°F (36°C) Average monthly temperature: 108°F (42°C)”

https://mobile.twitter.com/ericholthaus/status/1024475957669896192
Title: Re: Heatwaves
Post by: Archimid on August 02, 2018, 02:36:18 PM
South Korea sets all-time record high temperature amid deadly heat wave

https://www.accuweather.com/en/weather-news/south-korea-sets-all-time-record-high-temperature-amid-deadly-heat-wave/70005657

Quote
Temperatures soared to the highest recorded level since records began in 1907 as the mercury reached 40.7 C (105.7 F) in Hongcheon, located in northeastern South Korea.
...
Since the start of the heat wave, at least 29 people have died from heat stroke and more than 2,200 others have been hospitalized with heat-related illnesses, according to the Korea Centers for Disease Control and Prevention.
Title: Re: Heatwaves
Post by: Forest Dweller on August 02, 2018, 05:34:35 PM
Maybe the record breaking temperatures in Death valley will boost eco tourism?
Title: Re: Heatwaves
Post by: Sigmetnow on August 02, 2018, 07:37:11 PM
Maybe the record breaking temperatures in Death valley will boost eco tourism?

They’ve already had to ask people to stop trying to fry eggs on the pavement. ::)

 “Some people do not belong in the wild.”

Death Valley National Park to visitors: Stop frying eggs on the ground
https://www.yahoo.com/news/blogs/sideshow/death-valley-national-park-visitors-stop-frying-eggs-213244274.html
Title: Re: Heatwaves
Post by: Sigmetnow on August 02, 2018, 09:00:39 PM
”Forecaster AccuWeather said it would not only be possible to break the highest temperature on the Iberian Peninsula, but also the highest temperature ever recorded in Europe.”

Temperatures in Spain and Portugal could exceed 48 degrees — breaking all-time Europe record
http://www.euronews.com/amp/2018/08/01/temperatures-in-spain-and-portugal-could-exceed-48-degrees-breaking-all-time-europe-record

Kees van der Leun (@Sustainable2050)
8/2/18, 2:14 PM
@climatestate @EricHolthaus Nope. Mora in Portugal and Montoro in Spain both hit 44.3°C, and results are still coming in.
https://twitter.com/sustainable2050/status/1025082450182111232

I'm using the met institutes ipma.pt and aemet.es
https://twitter.com/sustainable2050/status/1025083250543349761
Title: Re: Heatwaves
Post by: colchonero on August 03, 2018, 07:21:20 PM
El Granado (Huelva community not Granada) measured 46,4C at 16:20 today(no more recent measurment data yet) , yesterday's "winner" with 45C and Spain's record holder Montoro jumped to second place after a low start (very usual for Montoro because of the North Andalucia desert terrain ). They started with temp min of just 19,7C, while some places had their temp min at 27+C. But as the sun goes up, temperature spikes really fast in Montoro, so they are now at 45,2C (measured at 16:30) with by far the biggest gains in the last 3h (I think almost 6C in the last 3h). Just to mention, that yesterday Montoro's (and Spain's) daily high was measured at 19:10 local time. I don't think it will be that late today again, but I think we can get to 47C either in el Granado or Montoro, and wait for tomorrow to see if the European record will be broken or not.

You can follow updates at  http://www.aemet.es/es/eltiempo/observacion/ultimosdatos?k=esp&w=1&datos=det   
However there is no English version, I think.
Title: Re: Heatwaves
Post by: Sigmetnow on August 04, 2018, 03:30:37 AM
Leo Hickman (@LeoHickman)
8/3/18, 5:20 AM
Historians will look back at page 9 of today's Times with great interest.
The combination of stories by @whippletom @emilygosden @bwebster135 et al is quite something...
https://twitter.com/leohickman/status/1025310469286973440
Image below.  Links to the articles are in the twitter replies to the above link.
Title: Re: Heatwaves
Post by: Shared Humanity on August 04, 2018, 08:24:13 PM
It is generally not understood by people less informed than those here that human civilization is incompatible with 100 year droughts. There is simply no effective response as the lack of precipitation kills off complex societies.
Title: Re: Heatwaves
Post by: Forest Dweller on August 06, 2018, 03:12:55 PM
Leo Hickman (@LeoHickman)
8/3/18, 5:20 AM
Historians will look back at page 9 of today's Times with great interest.
The combination of stories by @whippletom @emilygosden @bwebster135 et al is quite something...
https://twitter.com/leohickman/status/1025310469286973440
Image below.  Links to the articles are in the twitter replies to the above link.

Indeed Sigmetnow, all very interesting reads.
The Maya being affected by drought is one factor considered in their demise yes, it's believed they started poisoning their remaining water supply because of it...throwing lot's of human sacrifices in their remaining cenotes.
But also just unsustainable civilization depleting resources etc is a plausible hypothesis.(or both)
LIDAR flights are literally finding hundreds of thousands of new sites covered by jungle that were previously unsuspected.
The pyramids of Tikal or other cities, that's just the central square of the city it turns out.
Infrastructure is hidden all around, massive road networks and towns littering the entire jungle.
Population estimate is now up from  2 million people or so to 20 million or more.
All chopping trees, making limestone and depleting resources/habitat.
Agrarian civilizations such as these could arguably be considered as early forms of industry and therefore less sustainable.
Take the Egyptians for example who did similar activity, their grand pyramid building period was actually very short which most people don't know.
Abandoning that could have played a part in why they lasted for so long compared to others.

In a scenario such as that of the enormous Maya civilization going on and on it's not hard to imagine drought finishing off an already sick society.
Priests and kings failing while promising a better harvest, food shortage, rebellion, violence...back to primitive living it is then...now what does that remind us of?  :o

Records could be broken tomorrow still in the Netherlands, but it's expected the heat/ drought that has lingered since May will finally move on after that.
I'm keeping my fingers crossed, similar predictions have disappointed so far.
Sell my soul to the devil for a week of at least intermittent rain...being locked up inside for months is getting very boring.
Hopefully i'll get out soon and and be able to assess the damage to wildlife.
Title: Re: Heatwaves
Post by: Shared Humanity on August 06, 2018, 03:25:55 PM
food shortage, rebellion, violence...back to primitive living it is then...now what does that remind us of?  :o

Our collective fate?

It always amuses me when you recognize oligarchs are preparing for the approaching disaster, buying islands, mountain retreats etc. In a primitive society, there is no need for such a hierarchy and the elite will quickly be recognized as a useless burden and will be the first to go. We just won't need futures traders and financiers where we are heading.
Title: Re: Heatwaves
Post by: Forest Dweller on August 06, 2018, 04:23:53 PM
food shortage, rebellion, violence...back to primitive living it is then...now what does that remind us of?  :o

Our collective fate?

It always amuses me when you recognize oligarchs are preparing for the approaching disaster, buying islands, mountain retreats etc. In a primitive society, there is no need for such a hierarchy and the elite will quickly be recognized as a useless burden and will be the first to go. We just won't need futures traders and financiers where we are heading.

Food/water/shelter seems a tiny bit more important than a civilized status quo yes....lol.
My favorite example is how those primitives on North Sentinel Island are able to live quite happily on a few square miles for at least 60.000 years....no problem when you focus on the basics.

The rich are prepping and running yes, i hear New Zealand or Tasmania are popular because the famous professor of doom Mcpherson gave that advice.
And then retracted it as well haha  ;D
I'm not a huge fan of the man and i would recommend anybody to do some basic prepping unlike he does.
Things do look grim and apart from the ever lasting discussion on human extinction etc. there is other concerns....suffering sucks.
Title: Re: Heatwaves
Post by: Archimid on August 08, 2018, 06:55:36 PM
Record heatwave pushes hospitals into emergency measures

https://www.theguardian.com/society/2018/aug/08/record-breaking-heatwave-pushing-hospitals-into-emergency-measures

Quote
Hospitals are having to adopt winter-style emergency measures, including turning away patients through being busy, as the NHS struggles to cope with illnesses caused by the heatwave in the UK.

Patients are being treated in corridors, and queues of ambulances are building up outside A&E units in what hospital bosses say are unprecedented scenes for the summerwhich is usually the quietest time of year for the NHS.
Title: Re: Heatwaves
Post by: Sigmetnow on September 03, 2018, 09:30:15 PM
Stefan Rahmstorf on Twitter: "A phenomenal heat record: so hot were the past five months in Germany! The old record from 2003 was beaten by a full 1.6 °C! Scale on the left shows the temperature deviation from the first 30 years of the record, the color curve the data smoothed over 11 years.”
https://mobile.twitter.com/rahmstorf/status/1035832078930247680
First image below.

“Here is the same analysis for all of Europe, thanks to Etienne Kapikian @EKMeteo
 Anyone interested in global mean temperature, for all 12 months of each year: I post a graph of that almost every month around the 15th when the @NASAGISS data come out.”
Second image below.
Title: Re: Heatwaves
Post by: Shared Humanity on September 04, 2018, 01:27:12 AM
Those charts are frightening.
Title: Re: Heatwaves
Post by: bligh8 on September 05, 2018, 06:24:38 PM

When will this hellish heat wave finally end in New Jersey?


Been like this on/off all summer....when it's not raining cat's and dog's,  cat's and dog's doesn't really fit these days....more like elephants and rhinos.  The heat's been brutal, keeps folks indoors.


https://www.nj.com/weather/index.ssf/2018/07/nj_weather_summer_heat_wave_how_long.html
Title: Re: Heatwaves
Post by: magnamentis on September 06, 2018, 10:40:25 PM
Those charts are frightening.

if we believe BBR relieve is on the way (imminent)  "sarc"
Title: Re: Heatwaves
Post by: Ned W on October 11, 2018, 04:29:58 PM
This interactive op-ed in the NY Times ought to get some attention:

Heat and Humidity Are a Killer Combination (https://www.nytimes.com/interactive/2018/10/11/opinion/heat-humidity-killer-combination.html)

It's extremely well done.  Check it out.
Title: Re: Heatwaves
Post by: Archimid on October 11, 2018, 04:51:10 PM
Sigh. I bet this study completely ignores the disappearance during summer of the ASI. Once there is no ice in the Arctic during summer, the NH will experience ungodly humid heatwaves.
Title: Re: Heatwaves
Post by: Ned W on October 11, 2018, 05:10:15 PM
The "study" that the NY Times piece is inspired by is Ethan's PhD dissertation, which can be downloaded here:

https://academiccommons.columbia.edu/doi/10.7916/D88358JX

It's about the toxic interaction between heat and humidity in low to mid latitudes under likely global warming conditions. 

It's not about the Arctic, and that's OK.  Not everything in the climate is controlled by Arctic sea ice!  Ethan is a smart kid and he spent years working on this for his PhD, please do not "sigh" at it.  Thanks. 
Title: Re: Heatwaves
Post by: Archimid on October 11, 2018, 05:44:12 PM
My apologies Ned W. This is great work indeed. I followed the links and looked the paper over  (looking for ASI references) and it is very inviting to read. I should have mentioned that before I dissed it. It is informative and with good visuals, a must read. But like all science, it must be subject to review. What I said was done with that in mind.

(More about the science in a reply, getting apology out first. This is a must read paper.)

Title: Re: Heatwaves
Post by: Ned W on October 11, 2018, 05:49:38 PM
No problemo, Archimid.  I am just proud of Ethan (a former colleague) -- not many young, newly-minted scientists get invited by the New York Times to turn part of their doctoral dissertation into an opinion piece. 
Title: Re: Heatwaves
Post by: Archimid on October 11, 2018, 06:37:23 PM
About why the Arctic matters when determining the threat of heatwaves in the context of climate change:

 Look at the way seasons work in the NH. During summers, heat from the sun and the rest of the NH enters the Arctic and melts ice. That means that the ice keeps the hemisphere at a lower temperature than it would otherwise be.

During winter, without the Sun, the Arctic "stores " ice that is then used during summer.

When there is no longer any sea ice to melt two things happen. The heat flow from the NH to the Arctic slows down and the geopotential height above the Arctic crashes.  These two factors set the stage for  apocalyptic disruptions of the jetstreams and global weather patterns.

When places are caugth below a warm "jetstream wave", when there is no longer sea ice, during the peak of summer, horrible temperatures/humidity combinations will be possible.

These temperature anomalies can happen while the average global temperatures remain happily within model predictions.

The sigh,was out of despair not out of spite. The paper gets us a step closer to the reality of climate change but it is still too rosy.
Title: Re: Heatwaves
Post by: TerryM on October 11, 2018, 08:17:40 PM
Have not read the pieces yet, but presumptively, can anyone explain why wet bulb temperatures are not part of every evening weather report?
Terry
Title: Re: Heatwaves
Post by: vox_mundi on December 13, 2018, 05:03:45 PM
Darwin, Australia Swelters Through Hottest Night Ever Recorded
http://www.desdemonadespair.net/2018/12/darwin-australia-swelters-through.html

Quote
... In a message on social media this morning the Bureau of Meteorology (Northern Territory) posted: “This will not be a false alarm. Since 9am Tues morning, the temperature at Darwin Airport has not dropped below 30C, breaking the previous record of 29.7C”.
https://twitter.com/BOM_NT/status/1072603274409328640

The previous overnight minimum record of 29.7C was recorded on Tuesday morning so it’s been a sweltering two nights in a row for Darwin residents.

A Bureau spokesman said they were not expecting much in the way of rain over Darwin for the next few days so, unfortunately, not much relief from the skies on the horizon.
Title: Re: Heatwaves
Post by: jai mitchell on December 28, 2018, 04:09:42 PM
Australia

https://www.usatoday.com/story/news/world/2018/12/27/australia-heat-wave-temperatures-soar-above-120-degrees-near-record/2423556002/

Quote
A blistering high temperature of 120 degrees reported Thursday in Marble Bar, Western Australia, was only 3 degrees below the continent's all-time record high temperature of 123 degrees, set in 1960 in Oodnadatta.

The Northern Territory has already had a brutally hot month: "Forget frying an egg on the footpath, in Tennant Creek, Northern Territory, you could roast a whole chook in the main square, as the town heads toward its 28th day above 104 degrees this December," the Australian Broadcasting Corporation reported.
Title: Re: Heatwaves
Post by: Klondike Kat on December 28, 2018, 06:00:06 PM
Amazing how many of the record highs from 50 - 100 years ago still stand.
Title: Re: Heatwaves
Post by: jai mitchell on December 28, 2018, 06:12:56 PM
the main feedback of water vapor tends to increase the nighttime temperatures and winter temperatures more than those of the summer daytime temperatures.  The impact on high temps is still within the variability range of normal operations (though the trend is higher.

What is much more impactful is the LENGTH of the heatwaves where the temperature doesn't drop below that of a heat wave for weeks and weeks.  This is where the climate signal is really being seen today in Australia and elsewhere.
Title: Re: Heatwaves
Post by: John Batteen on December 29, 2018, 07:26:16 PM
Most of the heat records from the dirty thirties still stand in the US also.
Title: Re: Heatwaves
Post by: Klondike Kat on December 29, 2018, 10:02:05 PM
the main feedback of water vapor tends to increase the nighttime temperatures and winter temperatures more than those of the summer daytime temperatures.  The impact on high temps is still within the variability range of normal operations (though the trend is higher.

What is much more impactful is the LENGTH of the heatwaves where the temperature doesn't drop below that of a heat wave for weeks and weeks.  This is where the climate signal is really being seen today in Australia and elsewhere.

Water vapor tends to moderate temperatures.  Hence, while winter and nighttime temperatures are on the rise, summer daytime temperatures are not.
Title: Re: Heatwaves
Post by: vox_mundi on December 29, 2018, 11:58:12 PM
the main feedback of water vapor tends to increase the nighttime temperatures and winter temperatures more than those of the summer daytime temperatures.  The impact on high temps is still within the variability range of normal operations (though the trend is higher.

What is much more impactful is the LENGTH of the heatwaves where the temperature doesn't drop below that of a heat wave for weeks and weeks.  This is where the climate signal is really being seen today in Australia and elsewhere.

Water vapor tends to moderate temperatures.  Hence, while winter and nighttime temperatures are on the rise, summer daytime temperatures are not.
Only seen in coastal temperature up till 2005
https://journals.ametsoc.org/doi/full/10.1175/2008JCLI2111.1

Quote
... HOTTEST SUMMERS HAVE BEEN FAIRLY RECENT FOR MANY LOCATIONS
https://www.google.com/amp/s/weather.com/amp/news/climate/news/2018-06-12-hottest-coldest-summer-record-us-cities.html

Out of the 50 cities we looked at, just over half of those have had the hottest June-August period since 2010.

(https://forum.arctic-sea-ice.net/proxy.php?request=http%3A%2F%2Fassets.climatecentral.org%2Fimages%2Fuploads%2Fgallery%2F2015SummerTempTrends_CONUS_web.jpg&hash=18e57bad487e93baa6152d5c00f961c6)
Title: Re: Heatwaves
Post by: Klondike Kat on December 30, 2018, 05:57:27 AM
And then there are those who present cherry-picked data from the coldest summers of the past century, and try to pass them off as science. Why not include data from the entire century?  I suspect it was because the earlier summers were much hotter, and it would ruin your trend.  Check out the historical heat wave index:

https://www.google.com/amp/s/blogs.ancestry.com/cm/summer-scorchers-americas-9-worst-heat-waves-ever-recorded/amp/
Title: Re: Heatwaves
Post by: SteveMDFP on December 30, 2018, 07:19:39 AM
And then there are those who present cherry-picked data from the coldest summers of the past century, and try to pass them off as science. Why not include data from the entire century?  I suspect it was because the earlier summers were much hotter, and it would ruin your trend.  Check out the historical heat wave index:

https://www.google.com/amp/s/blogs.ancestry.com/cm/summer-scorchers-americas-9-worst-heat-waves-ever-recorded/amp/

Well, there are different kinds of cherry-picking one can do.  It helps to read scientific reports that will report different measures of summer heat.  Attached is figure 2.3 from p. 39 of:
Weather and Climate Extremes in a Changing Climate
Published by the U.S. Climate Change Science Program
https://downloads.globalchange.gov/sap/sap3-3/sap3-3-final-all.pdf (https://downloads.globalchange.gov/sap/sap3-3/sap3-3-final-all.pdf)

The first graph is shown in that Ancestry.com page, but not the 2nd and 3rd, which provide a more nuanced picture.  That whole chapter of the cited report is relevant here.

Yes, during the Great Depression, the US had some hot summers.  I would guess, offhand, reduced sulfate emissions from reduced industrial coal use may be to blame.  The world may be re-visiting this phenomenon as more parts of the globe act to reduce coal pollution.

Another form of cherry-picking is to look at US-only summer temperatures.  If one examines summer temperature trends in the UK and rest of Europe, the 1930s were not so exceptional, while the contemporary worrisome trend is quite pronounced.  See, for example, the second attachment, from:
https://www.metoffice.gov.uk/climate/uk/summaries/actualmonthly (https://www.metoffice.gov.uk/climate/uk/summaries/actualmonthly)

So, indeed, cherry-picking is to be carefully avoided.
Title: Re: Heatwaves
Post by: Klondike Kat on December 30, 2018, 02:36:16 PM
The two middle graphs tend to confirm what we have been claiming about water vapor. Namely, that it has increased nighttime temperatures, but has had little influence on daytime temperatures.  The daytime highs are still within the range of normal variability.
Title: Re: Heatwaves
Post by: Shared Humanity on December 30, 2018, 03:02:53 PM
I was going to access some NOAA data to contribute to this discussion but 'no can do'.

https://governmentshutdown.noaa.gov/
Title: Re: Heatwaves
Post by: Shared Humanity on December 30, 2018, 03:19:39 PM
And then there are those who present cherry-picked data from the coldest summers of the past century, and try to pass them off as science. Why not include data from the entire century?  I suspect it was because the earlier summers were much hotter, and it would ruin your trend.  Check out the historical heat wave index:

https://www.google.com/amp/s/blogs.ancestry.com/cm/summer-scorchers-americas-9-worst-heat-waves-ever-recorded/amp/

Well, there are different kinds of cherry-picking one can do.  It helps to read scientific reports that will report different measures of summer heat.  Attached is figure 2.3 from p. 39 of:
Weather and Climate Extremes in a Changing Climate
Published by the U.S. Climate Change Science Program
https://downloads.globalchange.gov/sap/sap3-3/sap3-3-final-all.pdf (https://downloads.globalchange.gov/sap/sap3-3/sap3-3-final-all.pdf)

The first graph is shown in that Ancestry.com page, but not the 2nd and 3rd, which provide a more nuanced picture.  That whole chapter of the cited report is relevant here.

Yes, during the Great Depression, the US had some hot summers.  I would guess, offhand, reduced sulfate emissions from reduced industrial coal use may be to blame.  The world may be re-visiting this phenomenon as more parts of the globe act to reduce coal pollution.

Another form of cherry-picking is to look at US-only summer temperatures.  If one examines summer temperature trends in the UK and rest of Europe, the 1930s were not so exceptional, while the contemporary worrisome trend is quite pronounced.  See, for example, the second attachment, from:
https://www.metoffice.gov.uk/climate/uk/summaries/actualmonthly (https://www.metoffice.gov.uk/climate/uk/summaries/actualmonthly)

So, indeed, cherry-picking is to be carefully avoided.

Discussing heat waves necessarily means you focus on the region affected but this data from North America extreme temperatures can also mislead if you attempt to argue or even suggest that this is somehow indicative of the climate change impacts on heat waves across the planet. There was a spike in global average temps that peaked in the early 1940's and, no doubt, this spike will be found in regional heat wave records but global average temps have climbed dramatically since and I suspect that if we were to look at regions across the planet, we would find that the incidence of recent heat wave records being set would far outweigh the incidents of 1930's records that still stand.

In effect, focusing only on U.S. heat wave records and trying to argue that this trend is global is 'cherry picking', intentional or not.
Title: Re: Heatwaves
Post by: Shared Humanity on December 30, 2018, 03:34:23 PM
And regarding global surface temperatures, I have always been fascinated by the dramatic temperature spike that peaked in the mid 1940's. I have asked before for an explanation and have never received one that satisfied.
Title: Re: Heatwaves
Post by: Klondike Kat on December 30, 2018, 08:03:01 PM
Remember, globally averaged temperatures include all regions, during all times, and all seasons.  We were discussing mid latitude summer high temperatures.  One cannot assume that such a broad average is indicative of all regimes.
Title: Re: Heatwaves
Post by: Wherestheice on December 30, 2018, 10:26:23 PM
Looking at summer temperatures is a bit misleading to a warming planet. We should be looking At fall, winter, and spring temps
Title: Re: Heatwaves
Post by: SteveMDFP on December 30, 2018, 10:28:54 PM
Looking at summer temperatures is a bit misleading to a warming planet. We should be looking At fall, winter, and spring temps

In terms of assessing total warming, I think you're quite right.
But people die in significant numbers during heat waves (as well as plants and animals), so it's one part of the picture to watch.
Title: Re: Heatwaves
Post by: oren on December 30, 2018, 10:37:35 PM
The great depression heat waves had at least some anthropogenic reasons. Mismanagement of the land (deep plowing, for example) led to loss of vegetation and desiccation of the top layer, in turn enhancing temperatures and causing vast dust clouds. That's at least my layman's understanding.
Title: Re: Heatwaves
Post by: Klondike Kat on December 31, 2018, 02:16:43 AM
If you throw out the devastating heatwaves of the Great Depression and the cool decade of the 60s, there is little trend in heat waves over the past 125 years.
Title: Re: Heatwaves
Post by: wili on December 31, 2018, 03:10:29 AM
There is, though, a strong trend in the 'hot daily lows' graph, which is just where one would expect the clearest and earliest trends to be detected in a planet being over-heated by greenhouse gasses (as opposed to, for example, increased insolation).
Title: Re: Heatwaves
Post by: Klondike Kat on December 31, 2018, 01:03:12 PM
There is, though, a strong trend in the 'hot daily lows' graph, which is just where one would expect the clearest and earliest trends to be detected in a planet being over-heated by greenhouse gasses (as opposed to, for example, increased insolation).

Exactly!  That is most prevalent, especially during the colder months.
Title: Re: Heatwaves
Post by: Red on December 31, 2018, 02:15:21 PM
And regarding global surface temperatures, I have always been fascinated by the dramatic temperature spike that peaked in the mid 1940's. I have asked before for an explanation and have never received one that satisfied.

Just a point to ponder: Could it have anything to do with WW2. During the '20s a ramp up of industrial activity in prep for conquest and then the subsequent bombing of industry into the ground. Causing first an increase in sulphates from coal burning followed by a reduction due to the desire of TPTB to reduce industrial capacity of the enemy for the war machine. Then as the balance of power shifted a resuming of coal fired electricity to rebuild everything pumping more sulphates up before returning to BAU. Thus causing the gradient to return to being more in line with the slope pre war? No chance in hell proving this one way or the other falls within my pay grade ;D
Title: Re: Heatwaves
Post by: Cid_Yama on December 31, 2018, 06:10:40 PM
In the 1940's more than half of all homes heated with coal, hot water was provided by a coal fired boiler.  (The rest used wood or, in the northeast, oil.)

The Donora Death Fog in 1948 (https://www.aiche.org/chenected/2011/10/donora-death-fog-crisis-led-modern-air-pollution-laws), and the deadly London Fog in 1952 (https://www.history.com/news/the-killer-fog-that-blanketed-london-60-years-ago) led to the passing of clean air acts in the US and UK and the phasing out of coal for home heating.

So the question should have been, why did the rising temperatures stop, leading to a very cold late 50's and early 60's, and the answer is, the phasing out of coal for home heating.   

Title: Re: Heatwaves
Post by: oren on December 31, 2018, 07:01:25 PM
A clean air act leads to warming, not to cooling, because of the loss of aerosols. That's my layman's understanding.
Title: Re: Heatwaves
Post by: Cid_Yama on December 31, 2018, 07:20:30 PM
It was the significant reduction in GHGs from phasing out coal for home heating.  Yes I'm sure it was offset to some degree by the reduction in particulate.  But we are talking significant reductions.

In 1940, 55% of homes burned coal, by 1970 it was down to 2.9%.  In 1940, 23% of households burned wood.  Which was down to 1.3% by 1970.

By 1970, over 50% heated with gas.

https://www.census.gov/hhes/www/housing/census/historic/fuels.html


It was people dying in significant numbers that brought about the transition.
Title: Re: Heatwaves
Post by: Cid_Yama on December 31, 2018, 07:45:45 PM
When I was born in 1943, there were 2.3 billion people on the planet, by 1970, that was up to 3.6 billion.  Imagine if we had not made the transition from coal.  We would have been where we are now, decades earlier. 
Title: Re: Heatwaves
Post by: TerryM on January 01, 2019, 12:14:12 AM
My understanding is that WWII marked the end of coal's use in transportation, both at sea and on land.


If we were to phase out coal generating/heating plants could we see a similar effect?

Terry
Title: Re: Heatwaves
Post by: Sebastian Jones on January 01, 2019, 07:13:53 AM
My understanding is that WWII marked the end of coal's use in transportation, both at sea and on land.


If we were to phase out coal generating/heating plants could we see a similar effect?

Terry
That is my understanding. I'm not sure how much warming would result if the airborne sulfates from burning coal were to be suddenly eliminated, but I have heard that it would be measurable.
However, the effect would be temporary, and similar to how the 60s were like a reversion to the 30s, we might see something similar afterwards. It rather depends on if we phase out other fossil fuels at the same time. Global CO2 levels were rising less than 1ppm back then, the rate is over 3ppm now.
Title: Re: Heatwaves
Post by: mitch on January 01, 2019, 05:37:32 PM
Half of the atmospheric CO2 increase has occurred since 1985, so CO2 emissions have been decoupled from coal.  Sulfur from coal did have a significant cooling effect prior to the  Acid Rain fix, but that has largely been eliminated from the US and Europe

I wonder how much warming will result from China cleaning up its air pollution. 
Title: Re: Heatwaves
Post by: TerryM on January 01, 2019, 06:00:04 PM
WRT aerosols.


Wasn't there a large temperature rise recorded over the US mainland when all flights were halted for a few days after 9/11?
Terry
Title: Re: Heatwaves
Post by: Shared Humanity on January 01, 2019, 07:29:51 PM
WRT aerosols.


Wasn't there a large temperature rise recorded over the US mainland when all flights were halted for a few days after 9/11?
Terry

Yes.
Title: Re: Heatwaves
Post by: jai mitchell on January 04, 2019, 11:38:59 PM
WRT aerosols.


Wasn't there a large temperature rise recorded over the US mainland when all flights were halted for a few days after 9/11?
Terry

Yes.

not large, withiin the margin of error and too short of a period to stand out as a definitive record.  Current science of persistent contrails indicates that it warms nighttime temps more than it cools daytime temps.  I feel it is a cooling effect but nothing compared to the vast amounts of SO2 being emitted by fossil fuel burning.
Title: Re: Heatwaves
Post by: Gray-Wolf on January 05, 2019, 03:14:05 PM

not large, within the margin of error and too short of a period to stand out as a definitive record.  Current science of persistent contrails indicates that it warms nighttime temps more than it cools daytime temps.  I feel it is a cooling effect but nothing compared to the vast amounts of SO2 being emitted by fossil fuel burning.

No argument about the amounts of dimming that Fossil fuel burning has brought us ( I feel above and beyond what we currently accept) but I'm still unsure just how impacting the stirring of the atmosphere that air travel brings us is or how the pollution it produces impacts our world.

Growing up in the 70's I was very taken by the notion of chaos theory and how the eddies from the flapping of a butterflies wing would add into the building of a hurricane on the other side of the planet.

The mixing from one passenger liner is quite a big 'butterflies wing' flap I feel?

As for the impacts of condensation trails? We live underneath two main flight routes in the UK.One is the route up to the Lockerbie turn over the Atlantic to the U.S. the other is for flights entering the UK from W.europe bound for Manchester airport .

When conditions aloft are conducive the cover of alto stratus certainly impacts the surface temps here! ( most noticeable when the sun emerges!) so I imagine there must be a noticeable impact from air travel especially around the major hubs globally?
Title: Re: Heatwaves
Post by: Sigmetnow on January 14, 2019, 01:30:07 AM
Heatwave to send weather records tumbling across Australia
Quote
Parts of northern South Australia are expected to suffer in five days over 45 degrees [113°F], when they might normally only get five to 10 in a year.

Broken Hill in New South Wales could spend a week over 40, while some north-western NSW towns would reach the high 40s.

Mildura in northern Victoria is expected to hit 46 degrees two days running. Its all-time record is 46.9 degrees. ...
https://thenewdaily.com.au/news/national/2019/01/13/weather-heatwave/
Title: Re: Heatwaves
Post by: jai mitchell on January 16, 2019, 02:24:25 AM
second continent-wide heatwave this month
Title: Re: Heatwaves
Post by: vox_mundi on January 18, 2019, 12:43:58 PM
One Heatwave Killed 'a Third' of a Bat Species in Australia   
https://www.bbc.com/news/world-australia-46859000

Over two days in November, record-breaking heat in Australia's north wiped out almost one-third of the nation's spectacled flying foxes, according to researchers.

The animals, also known as spectacled fruit bats, were unable to survive in temperatures which exceeded 42C.


Lead researcher Dr Justin Welbergen, an ecologist, believes the "biblical scale" of deaths could be even higher - as many as 30,000 - because some settlements had not been counted.

Australia had only an estimated 75,000 spectacled flying foxes before November, according to government-backed statistics.

"This sort of event has not happened in Australia this far north since European settlement," says Dr Welbergen.

Dr Welbergen says about 10,000 bats of another species - black flying foxes - succumbed to the heat during the same two-day period.

--------------

Australia Heatwave: Overnight Minimum of 35.9C In Noona Sets New Record 
https://www.theguardian.com/australia-news/2019/jan/18/australia-heatwave-sydneys-west-to-hit-45c-after-week-of-extreme-weather

-----------------

https://www.bbc.com/news/world-australia-46886798

Australia has just sweltered through at least five of its 10 warmest days on record, authorities estimate.

A section of highway connecting Sydney and Melbourne started to melt. Bats fell dead from the trees, struck down by the heat.

On the northern Great Barrier Reef, 99% of baby green sea turtles, a species whose sex is determined by temperature, were found to be female.

In outer suburban Sydney, the heat hit 47.3C (117F) before a cool change knocked it down - to the relative cool of just 43.6C in a neighbouring suburb the following day.

Scenes from a sci-fi novel depicting a scorched future? No, just the first days of 2018 2019 in Australia, where summer is in fierce form

(Thanks TB)
Title: Re: Heatwaves
Post by: Sigmetnow on January 20, 2019, 03:46:35 PM
‘It’s like hell here’: Australia bakes as record temperatures nudge 50C [= 122°F ]
Quote
It was 48.9C last Tuesday in Port Augusta, South Australia, an old harbour city that now harvests makes solar power. Michelle Coles, the owner of the local cinema, took off her shoes at night to test the concrete before letting the dogs out. “People tend to stay at home,” she said. “They don’t walk around when it’s like this.”

It’s easy to see why: in the middle of the day it takes seconds to blister a dog’s paw or child’s foot. In Mildura, in northern Victoria, last week gardeners burned their hands when they picked up their tools, which had been left in the sun at 46C. Fish were dying in the rivers.

Almost every day last week a new heat record was broken in Australia. They spread out, unrelenting, across the country, with records broken for all kinds of reasons – as if the statistics were finding an infinite series of ways to say that it was hot.

The tiny town of Noona – population 14 – reached the highest minimum ever recorded overnight in Australia – 35.9C was the coldest it got, at 7am on Friday. It was 45C by noon.

A record fell on Tuesday in Meekatharra in Western Australia – the highest minimum there ever recorded (33C). Another fell on Wednesday, 2,000 miles away, in Albury, New South Wales – their hottest day (45.6C).

It was 45C or higher for four consecutive days in Broken Hill – another record – and more than 40C for the same time period in Canberra, the nation’s capital. Nine records fell across NSW on Wednesday alone. Back in Port Augusta, Tuesday was the highest temperature since records began in 1962. ...
https://www.theguardian.com/australia-news/2019/jan/19/australia-swelters-as-relentless-hot-weather-smashes-records
Title: Re: Heatwaves
Post by: Sigmetnow on January 23, 2019, 06:23:35 PM
Sydney suffers in heatwave as NSW temperatures soar past 46 degrees Celsius
https://www.abc.net.au/news/2019-01-18/bom-warns-of-scorching-sydney-weather-with-top-of-45c/10723824

Railway travel is affected, in part due to the risk of steel rails buckling in the heat:
https://forum.arctic-sea-ice.net/index.php/topic,2075.msg187077.html#msg187077
Title: Re: Heatwaves
Post by: Sigmetnow on January 26, 2019, 12:47:05 AM
120°F in the Shade—and By the Water—As Australia’s Record-Melting Summer Intensifies
 by Bob Henson | Category 6 | Weather Underground
Quote
At least 28 locations hit all-time highs on Thursday. In Adelaide, the capital of South Australia, the official West Terrace station rocketed to 46.6°C (115.9°F)—the highest temperature ever recorded at the designated reporting sites for any of Australia’s state or territorial capitals. About 200 miles away, the city of Port Augusta hit its all-time high on Thursday with a blistering 49.5°C (121.1°F). That’s unnervingly close to the nation’s all-time high of 50.7°C (123.3°F), notched at Oodnadatta, South Australia, on January 2, 1960.

The Port Augusta reading is exceptional in another way: it’s the highest temperature ever recorded at a coastal location in the Southern Hemisphere, according to independent weather researcher Maximiliano Herrera. This includes oceans, seas, gulfs, and lakes, Herrera said. Port August sits near the head of Spencer Gulf, north of Adelaide.

Just a day earlier, on Wednesday, the Red Rocks Point station—which faces Antarctica from the Nullarbor coast of Western Australia—hit 49.1°C (120.4°C). According to Blair Trewin (AU Bureau of Meteorology), the Red Rocks Point station is located only 70 meters (230 feet) from the water. “This is the highest temperature recorded anywhere in the world at such a close distance from an open ocean,” Herrera said. He noted that the sea surface temperature at the time was 22-23°C (72-73°F), quite chilly when compared to the sizzling atmosphere.
...
This summer's brutal heat is having major impacts on thousands of feral horses, donkeys, and cattle, among other creatures....

Fire danger on Friday was running at severe to extreme levels across much of Victoria, prompting a fire weather warning for several districts and a statewide fire ban. The fire risk is also very high to extreme in Tasmania, where at least 29 fires were reportedly out of control late Thursday. Friday marks the start of the Australia Day holiday weekend, which commemorates the nation’s founding. ...
https://www.wunderground.com/cat6/120F-Shadeand-Water-Australias-Record-Melting-Summer-Intensifies
Image below.
Title: Re: Heatwaves
Post by: TerryM on January 26, 2019, 03:25:06 AM
Australia is beginning to sound like our own Mojave Desert!


When asphalt melts onto your boots it's too hot for hiking. The wild burros survive. Cliven's cattle stomp through archaeological sites in the heat, and it takes an hour to fill the pool up every evening.


Desert heat is survivable, but if the humidity increases all bets are off.
Terry
Title: Re: Heatwaves
Post by: Sigmetnow on January 30, 2019, 07:01:38 PM
New Zealand prepares a Road Surface Update as highways melt.

Heatwave breaks second 157-year record
Quote
"Babies and children are also more at risk with rising heat, while healthy adults who work outdoors and those people who are in institutions like prisons, hospitals, and residential care are also especially vulnerable."

Dr MacMillan says as we continue to see every year breaking new records for average and highest temperatures, climate change begins to take its health toll in the form of more days of extreme heat.

"Even short duration heat waves can increase deaths and hospital admissions from heat stroke, heart and lung disease, placing a heavy burden on families, communities, and the health system."

Last week, researchers published findings from last summer's marine heatwave, suggesting the conditions could become the norm for New Zealand summers by the end of the century. ...
https://www.radionz.co.nz/news/national/381088/heatwave-breaks-second-157-year-record
Title: Re: Heatwaves
Post by: Sigmetnow on March 11, 2019, 06:58:15 PM
Brisbane, Sydney weather: Severe heatwave, storms and possible cyclone
Quote
Brisbane’s CBD could reach 36C today, while Ipswich, in the west, may get close to 40C, which would break its previous March record high temperature.

And if that’s not enough weather for you, storms “day in, day out” could hit the sunshine state this week, while a tropical cyclone looks to be brewing off Australia’s north coast, forecasters have said.

Parts of Sydney could also experience scorching highs more akin to summer than autumn over the coming days. ...
https://www.news.com.au/technology/environment/severe-heatwave-forecast-for-southwest-queensland-as-possible-cyclone-brews/news-story/4bde84db7d9652146b260ef5e77a16b7
Title: Re: Heatwaves
Post by: vox_mundi on March 11, 2019, 07:16:52 PM
Australian Climate Tool Identifies End of Winter by 2050 
https://phys.org/news/2019-03-australian-climate-tool-winter.html

Quote
... The new climate tool visualises data which shows by 2050, Australians will no longer enjoy winter as they know it today and will experience a new season the designers are calling "New Summer".

New Summer represents a period of the year where temperatures will consistently peak in many cases well above 40ºC for a sustained period. 

On my stove, that setting is called 'BROIL'!

(https://i.pinimg.com/400x/e7/14/6e/e7146e218ef5a655c2eec3025e711805--the-washington-post-climate-change.jpg)
Title: Re: Heatwaves
Post by: vox_mundi on April 01, 2019, 02:59:24 AM
Alaska Bakes Under Heat Wave Linked to Climate Change   
https://m.phys.org/news/2019-03-alaska-linked-climate.html

March 2019 may prove to be the warmest March on record for many places in Alaska, with temperatures for some northern cities and towns potentially soaring 25 to 40 degrees Fahrenheit above normal

... cities and towns in the northern half of the state, including Wainwright, Nuiqsut, Kaktovik and Barrow (also known as Utqiagvik), could see temperatures soar 25 to 40 degrees Fahrenheit (14 to 22 Celsius) above normal this weekend as the warm trend continues.

"At Barrow, through yesterday, they've had daily record high temperatures five separate days this month ... and that's quite an achievement," Thoman said.

"This is following on the heels of the very warm, and in some places record warm February," he added. "We now have April or May weather in March."

Thoman predicts the warm streak to continue through April, with the highest temperature spikes expected in the western part of the state


(https://i2.wp.com/slinkingtowardretirement.com/wp-content/uploads/2019/03/GURLDF6XFNBT3JVKU675Z76AAI.png)
Title: Re: Heatwaves
Post by: Rodius on April 01, 2019, 04:07:34 AM
Silly question concerning the Alaskan heatwave.

Given the heat will melt the snow, which creates water that will still be cold, will that chilled water dip the ocean temps more than average in the coming month?
Or will the water warm up more than enough by the time it reaches the ocean?
Title: Re: Heatwaves
Post by: bbr2314 on April 01, 2019, 04:25:24 AM
Silly question concerning the Alaskan heatwave.

Given the heat will melt the snow, which creates water that will still be cold, will that chilled water dip the ocean temps more than average in the coming month?
Or will the water warm up more than enough by the time it reaches the ocean?
The jury is still out on this from what I understand. IMO there probably isn't enough volume in Alaska to result in enough cooling to where it would impact the melt season too substantially or noticeably. I think AK's meltwater impact is more of an all-season minor modulator as the mountain snowpack melts all through summer (as many higher elevations are still glaciated).

Besides lack of sheer volume, my other point against meltwater being too impactful in AK is that it seems area tends to fade very quickly when cover disappears for springtime melt in AK. The albedo modulator (lack of snowcover) over wide areas probably (seemingly) more than makes up for any melt flux-derived cold.
Title: Re: Heatwaves
Post by: Gray-Wolf on April 01, 2019, 11:48:22 AM
Silly question concerning the Alaskan heatwave.

Given the heat will melt the snow, which creates water that will still be cold, will that chilled water dip the ocean temps more than average in the coming month?
Or will the water warm up more than enough by the time it reaches the ocean?

To melt 1cm cube of ice takes 70 cals

To raise the temp of a 1cm cube of water by 1K takes 1 Calorie

So if there is heat in the system that water will warm very quickly!

Remember the Mckenzie delta over 2012 (?) ? I believe that was warmed waters from the land flooding into the basin?
Title: Re: Heatwaves
Post by: Sigmetnow on April 02, 2019, 03:12:49 AM
Deadhorse, Alaska is above the arctic circle. Coordinates: 70°12′20″N 148°30′42″W
Quote
Brian Brettschneider (@Climatologist49)
4/1/19, 1:46 PM
Here are the daily departures from normal for Deadhorse, AK the last 7 days:
+31.9°F above normal
+33.0°F above normal
+38.0°F above normal
+36.5°F above normal
+36.0°F above normal
+40.0°F above normal
+38.4°F above normal
@AlaskaWx
https://twitter.com/climatologist49/status/1112773314085163008
Title: Re: Heatwaves
Post by: vox_mundi on April 03, 2019, 12:13:19 PM
Bleaching Hits World's Southernmost Coral Reef 
https://phys.org/news/2019-04-world-southernmost-coral-reef-scientists.html

... The corals off Lord Howe Island—some 600 kilometres (370 miles) offshore from Sydney—were affected by elevated temperatures this summer, despite escaping severe bleaching that damaged the Great Barrier Reef in 2016 and 2017.

"It's a canary in the coal mine that we are seeing bleaching at this very isolated southernmost reef, which is worrying," Associate Professor Bill Leggat of the University of Newcastle told AFP.

Leggat and other scientists from several Australian universities and the US National Oceanic and Atmospheric Administration found severe bleaching of up to 90 percent at Lord Howe's inshore, shallow lagoon reefs.

(https://i.pinimg.com/736x/c3/05/40/c3054078a0b001fa8cc4f02f8b2fa22c--climate-change-the-road.jpg)
Title: Re: Heatwaves
Post by: Juan C. García on April 03, 2019, 03:53:02 PM
"It's a canary in the coal mine that we are seeing …"

Leggat and other scientists from several Australian universities and the US National Oceanic and Atmospheric Administration found severe bleaching of up to 90 percent at Lord Howe's inshore, shallow lagoon reefs.

It is not a canary in the coal mine, it is the methane explosion in the coal mine!
Title: Re: Heatwaves
Post by: vox_mundi on April 29, 2019, 02:44:38 AM
Vietnam Just Observed Its Highest Temperature Ever Recorded: 110 Degrees, - In April 
https://desdemonadespair.net/2019/04/vietnam-just-observed-its-highest-temperature-ever-recorded-110-degrees-in-april-it-is-unbreathable-outside-in-this-heat.html

... “It is unbreathable outside in this heat”   

(https://desdemonadespair.net/wp-content/uploads/2019/04/Southeast-Asia-temperatures-21-Apr-2019-WaPo.jpg)

(The Washington Post) – Vietnam broke its national high temperature record Saturday, the latest in a mounting list of records to fall as the world continues to warm.

The scorcher set the mercury thermometer soaring to 110 degrees Fahrenheit (43.4 Celsius) in the community of Huong Khe, a rural district in Ha Tinh province. It’s situated in Vietnam’s northern central coast region, about 150 miles south of the capital, Hanoi. Its average temperature is in the 80s at this time of year.

... What makes the heat even more striking is that it’s only April. Most places in Vietnam see their hottest temperatures in June or July.


https://m.youtube.com/watch?v=sPnayr6iSpY

------------------------------------------------

Dangerous India Heat Wave to Last Into May as Delhi Records Hottest Day of the Year So Far 
https://accuweather.com/en/weather-news/dangerous-india-heat-wave-to-last-into-may-as-delhi-records-hottest-day-of-the-year-so-far/70008079

The hottest days of the year will grip much of central and northern India in the coming days, and this heat wave is unlikely to end anytime soon.

Previous heat waves in northern India were broken by thunderstorms, which brought damaging winds and flash flooding; however, this heat wave is expected to last into May.

Temperatures soared in Delhi and the National Capital Region (NCR) on Wednesday as a new high temperature was set for the year in New Delhi when the mercury reached 43 C (109 F)

A strong area of high pressure will shield northern India from any approaching storm system into next week, allowing the heat to persist and build further.

The hottest locations may see high temperatures approach 48 C (118 F) by Sunday or Monday. 
Title: Re: Heatwaves
Post by: Darvince on May 02, 2019, 12:46:21 PM
For the Vietnam record, I think this is not so extremely weird that it has happened in April at that location because from what I searched about that location, there April is the hottest month likely for the same reason May is the hottest month in much of India: the Asian Monsoon has not arrived yet to cool it down, although I would think that Vietnam is always humid.

I would like to see what happened more precisely at that time there but I can't find any website where I can do that. I remember a site that had garish colors and had the meteograms for the last week or so available for every weather station in the world, and I don't think the website was available in English, does anyone know of it?
Title: Re: Heatwaves
Post by: Aluminium on May 14, 2019, 03:18:19 PM
Heat wave at the Arctic gate.
(https://sun9-3.userapi.com/c852124/v852124088/11c2f6/KbH8OhKFrLc.jpg)
(https://pp.userapi.com/c845123/v845123906/204bb4/eF8jpEe_OE4.jpg)
Title: Re: Heatwaves
Post by: Darvince on May 19, 2019, 01:42:06 PM
Tons of records in the southeast USA incoming...

https://twitter.com/RyanMaue/status/1129127845610106882
(https://i.imgur.com/6wejMhe.png)
(https://i.imgur.com/AldlbbL.png)
Title: Re: Heatwaves
Post by: Sigmetnow on May 27, 2019, 09:50:18 PM
Record heat turns deadly in Japan on Sunday, relief to arrive on Tuesday
Quote
All-time high temperature records were broken on Sunday in Japan as temperatures soared over 38 C (100 F).

Summerlike temperatures took over Japan on Sunday with temperatures rising to 39.5 C (103 F) on the island of Hokkaido, according to the Japanese Meteorological Agency.

This was the first time the temperature has ever risen past 38 C (100.4 F) in Hokkaido during any month of the year. This temperature also set a new record for the highest temperature during the month of May in all of Japan. ...
https://www.accuweather.com/en/weather-news/record-heat-turns-deadly-in-japan-on-sunday-relief-to-arrive-on-tuesday/70008369
Title: Re: Heatwaves
Post by: Tom_Mazanec on May 28, 2019, 11:58:49 PM
Heat records in Deep South:
https://nypost.com/2019/05/27/temperatures-already-setting-records-in-the-deep-south/?utm_medium=SocialFlow&utm_source=NYPTwitter&utm_campaign=SocialFlow&utm_source=reddit.com

EDIT: Japan heatwave definitely AGW:
https://www.climatechangenews.com/2019/05/29/deadly-japan-heatwave-essentially-impossible-without-global-warming/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ClimateHome+%28Climate+Home%29

EDIT 2: Heat wave sweeps India:
https://weather.com/en-IN/india/news/news/2019-05-29-daily-weather-update-forecast-today-india-heat-rain-heatwave-western

EDIT 3: Alaska is melting:
https://www.smithsonianmag.com/science-nature/record-breaking-heat-alaska-wreaks-havoc-communities-and-ecosystems-180972317/#i0FjuHOz2hFpz6YT.16

EDIT 4: Global temperature records so far:
https://www.axios.com/temperature-records-set-in-2019-512a1109-99ae-45aa-8953-781ff955c91d.html
Title: Re: Heatwaves
Post by: vox_mundi on June 02, 2019, 01:49:58 PM
India Heatwave Temperatures Pass 50 Celsius   
https://phys.org/news/2019-06-india-heatwave-temperatures-celsius.html

(https://accuweather.brightspotcdn.com/dims4/default/99e1787/2147483647/resize/590x/quality/90/?url=http%3A%2F%2Faccuweather-bsp.s3.amazonaws.com%2Fe7%2Fab%2F1effbdbf421c905829fc542eabf3%2Findia-6-1.jpg)

Temperatures passed 50 degrees Celsius (122 Fahrenheit) in northern India as an unrelenting heatwave triggered warnings of water shortages and heatstroke. 

The thermometer hit 50.6 degrees Celsius (123 Fahrenheit) in the Rajasthan desert city of Churu on Saturday, the weather department said.

The Indian Meteorological Department said severe heat could stay for up to a week across Rajasthan, Maharashtra, Madhya Pradesh, Punjab, Haryana and Uttar Pradesh states.

Several deaths from heatstroke have already been recorded.

A red alert severe heat warning has been issued in the capital New Delhi as temperatures passed 46 Celsius, and residents were advised not to go out during the hottest hours of the day.

Several major cities, led by Chennai, have reported fears of water shortages as lakes and rivers start to dry up.

In the western state of Maharashtra, farmers struggled to find water for thirsty animals and crops.   


Quote
... "There is no drinking water available for days on end and we get one tanker every three days for the entire village," Tonde told AFP.

"We are scared for our lives and livelihood," he added.

Farther west, the temperature rose to a blistering high of 51 C (124 F) in Jacobabad, Pakistan on Saturday. 

https://www.google.com/amp/amp.skymetweather.com/content/weather-news-and-analysis/nearly-half-of-india-on-heat-wave-alert/

---------------------

Days 8, 9 and 10 of the Southeast's Heatwave 

(https://media-news4jax-com.cdn.ampproject.org/i/s/media.news4jax.com/photo/2019/05/31/2019-05-31_234416_1559360810485_21923879_ver1.0_1280_720.png)

It doesn't happen too often where Jacksonville, Florida gets a prolonged stretch of afternoon temperatures 96° or hotter, let alone in the final days of May. Very rare. Yet, we will see another 3 days with highs approaching 100°.
Title: Re: Heatwaves
Post by: Archimid on June 02, 2019, 02:18:14 PM
Quote
Several major cities, led by Chennai, have reported fears of water shortages as lakes and rivers start to dry up.

Flash droughts need to become a thing we track.
Title: Re: Heatwaves
Post by: vox_mundi on June 02, 2019, 02:52:45 PM
Chennai's Population: 11,133,854 

(https://www.worldatlas.com/img/locator/city/049/10049-chennai-locator-map.jpg)
-----------------------

Chennai's Largest Source Of Drinking Water Dries Up, Residents Hit Hard   
https://www.google.com/amp/s/www.ndtv.com/chennai-news/chennais-largest-source-of-drinking-water-dries-up-residents-hit-hard-2045155%3famp=1&akamai-rum=off

Chennai: Chennai's largest source of drinking water, Chembarambakkam lake, is bone dry with parched and cracked bed all over. The 3,500 million cubic feet capacity reservoir is left just with storage of silt and slush in the middle largely due to deficit monsoon last year. It was this very lake that overflowed and flooded Chennai in December 2015.

Chennai Metro Water, which supplies drinking water, has cut piped supply by 40 per cent.

Quote
... "Before elections we were getting water regularly. Now we don't get regular supply. We get water just for one hour and half the time it's like toilet water. Tankers come only around 10 or 11 am. It's so difficult."

-----------------

Drought-Hit Chennai Has 1.3% of Water in Its Reservoirs, One of the Lowest in 70 yrs 
https://www.google.com/amp/s/www.thenewsminute.com/article/drought-hit-chennai-has-13-water-its-reservoirs-one-lowest-70-yrs-102038%3famp

... According to data from the Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB), as of Sunday, Chembarambakkam Lake has only 1mcft of water compared to its capacity of 3645 mcft, Redhills has 28 mcft compared to 3300 mcft of storage, Poondi contains 118 mcft of water as opposed to its storage of 3231 mcft and Cholavaram has 4 mcft compared to a total capacity of 1081 mcft.

... Chennai had received only 390 mm of rainfall in 2018 as against the normal of 850mm during the Northeast monsoon, when it gets a bulk of its annual rainfall.

 "At this rate these four reservoirs will be empty by July.


Chennai is already battling an acute water crisis despite CMWSSB rationing supplies from January. From the total daily supply of about 880 million litres a day, it has been brought down to 550 million litres a day. On May 15, CMWSSB stopped drawing water from the Redhills lake, which supplies the city 90 million litres-120 million litres a day.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 03, 2019, 05:09:19 PM
More on the Japan heatwave:
https://www.eco-business.com/news/japans-deadly-2018-heatwave-could-not-have-happened-without-climate-change/

EDIT: Indian heatwave goes over 50 C:
https://www.phnompenhpost.com/international/india-heatwave-passes-50-celsius
Title: Re: Heatwaves
Post by: vox_mundi on June 05, 2019, 04:59:34 PM
Loss of Arctic Sea Ice Stokes Summer Heat Waves in Southern U.S.   
https://m.phys.org/news/2019-06-loss-arctic-sea-ice-stokes.html

(https://3c1703fe8d.site.internapcdn.net/newman/gfx/news/2019/lossofarctic.jpg)
Composites of summer extreme (left panels) and oppressive heat wave (right panels) frequency during summers of low (top), neutral (middle) and high (bottom) Hudson Bay sea ice extent. Credit: AGU   

A new study in AGU's Journal of Geophysical Research: Atmospheres explores how seasonal fluctuations of sea ice coverage trigger changes in atmospheric circulation patterns during the boreal summer.

The study draws upon four decades of satellite data of Arctic sea ice coverage collected between 1979 and 2016, overlapped with heat wave frequency data across the United States during the same time period.

The team found evidence for a strong statistical relationship between the extent of summer sea ice in the Hudson Bay and heat waves across the southern Plains and southeastern U.S 

Quote
... "The latest research on this topic suggests that declining Arctic sea ice may be linked to increased incidence of extreme weather patterns across the northern hemisphere," said Dagmar Budikova, a climatologist at Illinois State University in Normal and lead author of the new study. "Our results confirm this hypothesis by offering further evidence that Arctic sea ice variability has the potential to influence extreme summer temperatures and the frequency of heat waves across the southern U.S."

The new study finds the loss of sea ice across the Arctic begins with warmer-than-usual spring temperatures in the Hudson Bay and Labrador regions in the southeastern Canadian Arctic.

"This process starts when temperatures across the southeastern Canadian Arctic and northwestern Atlantic are 2 degrees [Celsius] warmer than expected in March, April and May," Budikova said.

This springtime warming lessens the north-to-south change in temperature between the high and middle latitudes of eastern North America, leading to a reduction in the strength of regional wind patterns. These conditions are symptomatic of weakened large-scale movements of air that appear to persist into the summer months, Budikova said.

Dagmar Budikova et al. United States Heat Wave Frequency and Arctic Ocean Marginal Sea Ice Variability (https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JD029365), Journal of Geophysical Research: Atmospheres (2019)
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 05, 2019, 05:13:45 PM
Dozens die in India:
https://www.independent.co.uk/news/world/asia/india-heatwave-death-toll-weather-channel-sunstroke-delhi-a8942056.html?amp&__twitter_impression=true&utm_source=reddit.com
Title: Re: Heatwaves
Post by: kassy on June 06, 2019, 09:04:17 AM
If Climate Goals Aren’t Met, Extreme Heat Will Kill Thousands in U.S. Cities

A new report estimates as many as 2,700 heat-related deaths can be prevented in just one city if global temperature rise can be limited to 1.5 degrees Celsius.

...

extreme heat in the U.S. already causes more deaths than any other severe weather event, killing an estimated 1,500 people each year.

...

They estimate that as many as 1,980 deaths per city could be avoided in a 1-in-30-year heat wave event if global heating is limited to 2 degrees Celsius, rather than 3 degrees. If temperature rise is limited to 1.5 degrees Celsius, the potential number of lives saved jumps up to as much as 2,716.

...

The researchers also calculated that the number of “hot days”—when the mean temperature falls above what their model say is associated with the lowest mortality risk—would also significantly fall if global warming is limited to 1.5 degrees Celsius. San Francisco, on the higher range, could see 510 fewer hot days; St. Louis, on the lower end, could see a reduction of 202 days.

If the world hits that 3-degree threshold, once-rare heat cataclysms would become routine. An event as deadly as the three-day 1995 heat wave in Chicago, which killed 739 people—many of them elderly, isolated, and living on fixed incomes—could happen once every 1.4 years. That frequency could be halved to a 1-in-2.8 year event if heating is limited to 2 degrees Celsius, or once every 4.7 years under a 1.5 degree scenario—still plenty alarming in itself, Lo says, but that the “multiple times difference” in frequency across the three warming scenarios should not be ignored.

for further details see:
https://www.citylab.com/environment/2019/06/extreme-heat-wave-data-deaths-health-risks-climate-change/590941/
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 06, 2019, 01:38:34 PM
kassy, more on kilodeaths in major US cities:
https://www.theguardian.com/environment/2019/jun/05/thousands-could-perish-annually-us-global-heating-study

EDIT: and more on India's heatwave:
https://weather.com/news/weather/news/2019-06-03-india-heat-wave-123-degrees-second-driest-pre-monsoon-since-1954

Monkeys dying in India:
https://www.france24.com/en/20190608-heatstroke-kills-monkeys-india-suffers-searing-temperatures
Title: Re: Heatwaves
Post by: Shared Humanity on June 06, 2019, 09:28:01 PM
My wife worked nights in a level 1 trauma center on the near west side of Chicago during that 1995 heat wave, one of 3 such centers in the city.

People started being transported to her hospital in a trickle. They had no idea what was about to happen. Within 24 hours they were getting between 5 and 10 per hour with core temperatures in the low 100's. They would put the bodies on ice and start transfusions. These people would be throwing clots all over their bodies with organs shutting down. Most died.

She would come home from work completely exhausted.
Title: Re: Heatwaves
Post by: Sigmetnow on June 08, 2019, 09:33:11 PM
130°F = 54.4°C

Quote
Eric Holthaus (@EricHolthaus) 6/8/19, 3:03 PM
This is unreal.
Right now in South Texas it’s 104°F with a dewpoint of 80°F.
That’s a heat index of 130°F.
In June.
Folks, it’s technically still spring. It’s not even summer for another 13 days.
We’re in a climate emergency.
https://twitter.com/ericholthaus/status/1137435080635211776
Image below.
Quote
Jonathan Erdman (@wxjerdman) 6/8/19, 2:15 PM
A #heat index of 128˚...that's oppressive even by South Texas standards. It even "broke" an @NWS map yesterday.
https://twitter.com/wxjerdman/status/1137422918684741640
Map below.

South Texas Heat Wave Sets June Record, Pushes Heat Index to 128 Degrees
https://weather.com/forecast/regional/news/2019-06-08-south-texas-heat-wave-heat-june-record-heat-index-120s
Title: Re: Heatwaves
Post by: Sigmetnow on June 09, 2019, 03:31:02 AM
30°C = 86°F

Mika Rantanen (@mikarantane) 6/7/19, 3:06 PM
Historical chart. There are no known cases in Finland's climate history when it has been hotter than now so early in the summer.
https://twitter.com/mikarantane/status/1137073405830868994
- The #Heatwave in Finland is nearing the end today, but still over 30°C inside Arctic circle (Russia) and 31°C at the coast of the White Sea.

Maps below.
Title: Re: Heatwaves
Post by: vox_mundi on June 09, 2019, 10:54:26 AM
Heatstroke Kills Monkeys as India Suffers in Searing Temperatures 
https://www.independent.co.uk/news/world/asia/india-heatwaves-monkey-deaths-water-madhya-pradesh-a8950131.html?amp

(https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/06/08/13/Monkey-India.jpg?w450)

A troop of monkeys died from suspected heatstroke in India as scorching temperatures that have lasted more than a week take a mounting toll on humans and animals, media reports said Saturday.   

The monkeys died in Joshi Baba forest range in Madhya Pradesh state where the thermometer reached 46 Celsius (114 Fahrenheit).

District forest officer P. N. Mishra said the primates were believed to have fought with a rival troop over access to a water source.

"This is rare and strange as herbivores don't indulge in such conflicts," Mishra told NDTV network.

Tigers have also been reported to be moving out of forest reserves into villages in search of water, causing alerts.

Temperatures touched 50.3 degrees Celsius in the Rajasthan town of Churu last week, just shy of India's record of 51 degrees.

... Deadly dust storms swept across Uttar Pradesh Thursday night, resulting in at least 26 deaths and injuring more than 50 others.

More dangerous heat is expected in Jacobabad and surrounding locations into the new week as temperatures may climb back above 50 C (122 F).


https://accuweather.com/en/weather-news/dangerous-india-heat-wave-to-worsen-with-temperatures-to-approach-all-time-record-in-new-delhi-this-weekend/70008472

-----------------

India Heat Wave Triggers Clashes Over Water
https://dw.com/en/india-heat-wave-triggers-clashes-over-water/a-49110943

Police were tasked with guarding water tankers and water sources in Madhya Pradesh state in central India, the Times of India reported on Saturday, following clashes over water in the state and other parts of the country.

At least six people were stabbed by a man near Ranchi, the capital of Jharkhand state, on Friday. There was a fight with a man from a neighboring village who was filling barrels of water from a tanker, according to a report on NDTV. A man died in a similar fight on the same day in southern Tamil Nadu state. Two men were seriously injured in a fight over water in Madhya Pradesh on Wednesday and a tanker truck driver was beaten up in the same state a day earlier.

--------------

Man Killed in Fight Over Water as India Grapples with Heatwave   
https://www.independent.co.uk/news/world/asia/india-heatwave-fight-death-water-shortage-dead-a8949281.html?amp

... The 33 year old was allegedly beaten to death after confronting a man and his sons as they were reportedly drawing large amounts of water from a public tap in the city of Thanjavur, in Tamil Nadu, police said on Friday. 
Title: Re: Heatwaves
Post by: kassy on June 09, 2019, 10:55:52 AM
Heatstroke kills monkeys as India suffers in searing temperatures
https://phys.org/news/2019-06-heatstroke-monkeys-india-searing-temperatures.html

Same story as above just a different link.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 09, 2019, 04:19:09 PM
Residents of remote islands in the oceans have a great advantage (except for the threat of flooding). In the oceans, warming is much less, so the remote islands will overheat much later. Probably the real estate in Hawaii in the future will be even more expensive than now.

(https://pbs.twimg.com/media/D4Dc33kWAAEQWOT.png)
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 09, 2019, 04:26:40 PM
True, in the future, an increase in the number of strong earthquakes with tsunamis is expected, which may nullify all the advantages of remote islands. In general, the best space colonies :)
Title: Re: Heatwaves
Post by: Archimid on June 09, 2019, 04:26:54 PM
Yep. The thermal inertia of the oceans will be an advantage against heatwaves, until it isn't.

I'm terrified for people living deep inside the continents, specially in the NH after the first BOE.
Title: Re: Heatwaves
Post by: Archimid on June 09, 2019, 04:29:26 PM
Of course warmer oceans will mean epic floods and hurricanes. Pick your poison.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 10, 2019, 01:39:08 PM
Yep. The thermal inertia of the oceans will be an advantage against heatwaves, until it isn't.

I'm terrified for people living deep inside the continents, specially in the NH after the first BOE.

I live in the Great Lakes region. Is this what you mean by “deep inside”?
Title: Re: Heatwaves
Post by: Sigmetnow on June 10, 2019, 06:33:28 PM
30°C = 86°F

Mika Rantanen (@mikarantane) 6/7/19, 3:06 PM
Historical chart. There are no known cases in Finland's climate history when it has been hotter than now so early in the summer.
https://twitter.com/mikarantane/status/1137073405830868994
- The #Heatwave in Finland is nearing the end today, but still over 30°C inside Arctic circle (Russia) and 31°C at the coast of the White Sea.

Maps below.

The tweet above went viral, prompting a more detailed explanation. “Omega Block”
Quote
Mika Rantanen (@mikarantane)6/10/19, 2:43 AM
Last week the jet stream in Europe was unusually wavy. This was the situation two days before the record-hot day in Finland - you can clearly see how our country was situated on the warm side of the jet. 
https://twitter.com/mikarantane/status/1137973523929018368
- This was the primary reason for the exceptionally high temperatures. The synoptic pattern, namely the omega block causing the heatwave, was actually seen in the forecasts over a week beforehand.
- By the way, there are some evidence that the jet stream may become more wavy in response to climate change. Here's just a small sample of papers showing this:
iopscience.iop.org/article/10.108…
nature.com/articles/s4146…
link.springer.com/article/10.100…
- In Finland, the heatwaves are projected to become more frequent, intense and longer. Due to "background warming", extreme temperatures will occur with less pronounced circulation anomalies.
See a good paper by Sol Kim, @VSinclair_Met, @RRuuhela et al:
rmets.onlinelibrary.wiley.com/doi/full/10.10…
- So, although this was just one case, and primarily caused by the wavy jet, #climatechange increases the risk of record-high temperatures.
It's like how alcohol increases the risk of crashing your car, or how doping increases the probability of setting new records in sports.
Image below; more images, links and info in the replies at the link.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 10, 2019, 08:23:53 PM
More on Northern Europe in Heatwave:
https://thebarentsobserver.com/en/ecology/2019/06/northern-european-heat-wave-comes-end

And the concurrent heatwaves were from AGW:
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019EF001189?af=R&utm_campaign=Carbon%20Brief%20Daily%20Briefing&utm_medium=email&utm_source=Revue%20newsletter

West Coast heatwave coming up:
https://www.cnn.com/2019/06/09/us/west-coast-heat-wave/index.html
Title: Re: Heatwaves
Post by: vox_mundi on June 11, 2019, 08:44:51 PM
Four Passengers Die in 'Unbearable' Heat on Indian Train
https://phys.org/news/2019-06-passengers-die-unbearable-indian.html

Four people died in 'unbearable' heat while travelling by train in northern India, which has been in the grip of a heatwave for two weeks, officials and passengers said Tuesday. 

The four died Monday while travelling from Agra—the city of the Taj Mahal—to Coimbatore in the country's south.

"Heat seems to be a factor," Indian Railways spokesman Ajit Kumar Singh told AFP, "it is really unfortunate".

"When the train was approaching Jhansi, we got a call from the on-board staff that one of the passengers is unconscious," Singh said.

"We rushed medical staff to the station but they found that three of the passengers were already dead."

A fourth person died later in hospital.

Temperatures have hovered around 45 degrees Celsius (113 Fahrenheit) in Jhansi, in northern Uttar Pradesh state, in recent days.

Singh said the Kerala Express train had no technical problems, but the tourists were not in air-conditioned coaches.

A passenger who was a part of the group that boarded in Agra said the train was stiflingly hot.

"Shortly after we left Agra, the heat became unbearable and some people started complaining of breathing problems and uneasiness," the passenger was quoted as saying by News18 television.

"Before we could get some help, they collapsed."
Title: Re: Heatwaves
Post by: Rich on June 12, 2019, 03:27:18 AM
Temps in excess of 52C in Kuwait yesterday.
Title: Re: Heatwaves
Post by: SteveMDFP on June 12, 2019, 04:40:02 AM
Temps in excess of 52C in Kuwait yesterday.

Dang.  For my fellow backwards Americans, that's 125.6 F
Water at that temperature will cause immediate skin burns.
Title: Re: Heatwaves
Post by: vox_mundi on June 12, 2019, 06:55:58 AM
120 Degrees in the Shade?! Record-Breaking, 'Dangerous' Heat Wave Bakes Western U.S.
https://amp.usatoday.com/amp/1419639001
https://beta.washingtonpost.com/weather/2019/06/11/san-francisco-soars-degrees-record-heat-wave-torches-california-west-coast/?outputType=amp

https://twitter.com/i/status/1138430430808629249

Folks in the western U.S. are sweltering under an unusually intense June heat wave, with temperatures soaring to near-record highs from Oregon to Arizona.

Heat warnings and/or advisories were in effect Tuesday for a number of major metro areas in the West, including Las Vegas, Phoenix, Portland, Sacramento and San Francisco.


(https://pbs.twimg.com/media/D8wDFyIV4AAaANf?format=jpg&name=small)
https://twitter.com/NWSBayArea/status/1138288224655138816/photo/1

On Monday, normally mild San Francisco soared to a brutal high of 100 degrees, the first time that city has ever hit the century mark in June. (... 102° at 4:57 PM PDT.) The heat warped tracks on the city's transit lines, the Weather Channel said, and led to tens of thousands of power outages. A number of records were demolished in the Bay Area as well, such as 107 degrees in King City and 105 degrees in Salinas.

Monday was also only the seventh time on record the city reached 100 degrees, AccuWeather said.  More record heat was forecast for Tuesday, where the average high is in the upper 60s.

Monday's low temp of 72° in San Francisco broke the city's monthly maximum low temp record, previously 70° [set on 6/24/1976 & 6/6/1883]. It was also the 3rd all-time warmest night on record, behind the all-time maximum low of 75° [set on 9/2/2017 & 9/8/1904]

https://mobile.twitter.com/NWSBayArea/status/1138424056779137024

(https://pbs.twimg.com/media/D8xoRw6U8AA9FR3?format=jpg&name=small)

An excessive-heat warning was even in effect in typically hellish Death Valley, California, where a high of 120 degrees was forecast for Wednesday.

... One expert, UCLA climate scientist Daniel Swain tweeted Monday that "our recent work suggests that we're reached the point where a majority (perhaps even a vast majority) of unprecedented extreme heat events globally have a detectable human fingerprint."

----------------

India Staring at Longest Heatwave in 3 Decades
https://m.hindustantimes.com/india-news/india-staring-at-longest-heatwave-in-3-decades/story-zM1sSWQ3p63smxTErFVClJ_amp.html

The Capital, Delhi, which sweltered on its hottest June day in history on Monday (48 degrees Celsius) recorded a maximum temperature of 45.4 degrees Celcius at Palam in spite of a spell of light rain in the morning.  Dholpur in nearby Rajasthan was worse at 51°C. It was the fourth time that the temperature crossed 50°C in June in the state, according to Indian Meteorological Department.

With a heatwave spell stretching 32 days, 2019 has already seen the second-longest spell of scorching temperature ever recorded. If the mercury doesn’t dramatically drop in the next two days, 2019 will become the year with the longest heatwave spell in recorded history — with three weeks to go in June.

... The blazing heatwave is in line with predictions made by a number of scientific studies based on IMD data that show that the intensity of heatwaves is rising. DS Pai, a scientist at IMD, Pune, said their study of long-term heatwave data of 35 metrological sub-divisions showed a threefold increase in heatwaves every year since 1991. “Our observation indicates that the increase was steeper in the last two decades,” he said. ... “With climate change, the frequency and intensity of heat waves in India will increase,” [/iS Krishnan, a senior scientist at IITM, said.

... In major cities across northern India, the demand for power and water surged even as many sources of water – such as rivers and reservoirs – ran dry. The peak power demand in Delhi broke all records of this season on Monday and touched a high of 6,686 MW, reported the discoms. In the hinterlands, where there are often no secondary sources of water such as tanks and pipes, the situation is worse.

In Sonbhadra district on the eastern tip of Uttar Pradesh, for example, the scorching sun has forced many villagers to dig pits in the riverbed and wait for groundwater to ooze out. As the temperatures rise, the pits will go dry and villagers will have to trek kilometres for a pot of water. Hand pumps often don’t work in these regions because in many pockets, the water level has dipped below 300 feet.

The sweltering heat has driven tens of thousands of people into hill stations (mountain park hotels) that are ill-equipped to handle a rush of such magnitude. Uttarakhand’s Nainital has seen an average of 15,000 to 20,000 tourists arrive daily in a city with a capacity of just 8,000 rooms. Mussoorie, which has 2,000 rooms, has seen 190,030 tourists flood the town since May.

As many as 15,000 vehicles have entered Manali and Shimla on weekends this month, translating to roughly 60,000 people — about a third of the population of these towns. The tourist influx is repeatedly choking all approach roads to the small Himalayan hill stations (mountain park hotels) and causing massive traffic snarls in the mountains. Moreover, the hills have received no respite from the blistering sun — Monday’s maximum temperature for Mussoorie was six degrees above normal at 30.5 degrees Celsius while Dharamsala recording a maximum of 33.8 degrees Celsius.

--------------------

Indian Villages Lie Empty as Drought Forces Thousands to Flee
https://amp.theguardian.com/world/2019/jun/12/indian-villages-lie-empty-as-drought-forces-thousands-to-flee

Hundreds of Indian villages have been evacuated as a historic drought forces families to abandon their homes in search of water.

The country has seen extremely high temperatures in recent weeks. On Monday the capital, Delhi, saw its highest ever June temperature of 48C. In Rajasthan, the city of Churu recently experienced highs of 50.8C, making it the hottest place on the planet.

Further south, less than 250 miles from the country’s commercial capital, Mumbai, village after village lies deserted. Estimates suggest up to 90% of the area’s population has fled, leaving the sick and elderly to fend for themselves in the face of a water crisis that shows no sign of abating.

... Wells and handpumps have run dry in the 45C heatwave. The drought, which officials say is worse than the 1972 famine that affected 25 million people across the state, began early in December. By the end of May, Hatkarwadi had been deserted with only 10-15 families remaining out of a population of more than 2,000.

With 80% of districts in neighbouring Karnataka and 72% in Maharashtra hit by drought and crop failure, the 8 million farmers in these two states are struggling to survive.

--------------------

Parts of India: Heat wave causes vegetable prices to rise 40% in one week
https://www.freshplaza.com/article/9113284/parts-of-india-heat-wave-causes-vegetable-prices-to-rise-40-in-one-week/

The heatwave sweeping through large parts of India has made vegetable prices skyrocket with some areas seeing a 25-40% rise in bills in the past 10 days. Traders said prices are likely to remain volatile until monsoon rain covers the main growing areas in the country. In April, wholesale prices of food rose 3.4%, but fruits and vegetable prices were up 14%.

Kailash Tajne, president of the Vashi Agricultural Produce Market Committee (APMC), said that vegetables were selling for 30-40% more than usual price since the past 10 days.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 12, 2019, 01:37:48 PM
Maybe this should go in”Stupid questions”, but what are the meanings/differences between a heat advisory and a heat warning?
Title: Re: Heatwaves
Post by: kassy on June 12, 2019, 02:12:46 PM
5 degrees F. Corresponding temps are 37,77 and 40,55 C.

https://www.weather.gov/safety/heat-ww
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 12, 2019, 05:43:20 PM
Record heat the new normal?
https://www.ndtv.com/india-news/delhi-san-francisco-set-heat-records-such-spells-may-be-the-new-norm-2051832 and
https://www.washingtonpost.com/weather/2019/06/11/climate-change-intensified-last-summers-northern-hemisphere-heat-wave-it-may-be-starting-all-over-again/?noredirect=on&utm_term=.16ee3937af4a
More on Western heatwave:
https://www.usatoday.com/story/news/nation/2019/06/11/heat-wave-western-us-bakes-temperatures-soar-120-degrees/1419639001/
Title: Re: Heatwaves
Post by: Aluminium on June 12, 2019, 11:16:12 PM
Kaliningrad and Minsk got the highest temperature in June, +34.0°C and +32.7°C.

Also Vilnius, +34.1°C.
Title: Re: Heatwaves
Post by: Human Habitat Index on June 13, 2019, 02:32:17 AM
A record number of records is a statistical slam dunk.
Title: Re: Heatwaves
Post by: Shared Humanity on June 13, 2019, 10:04:56 PM
A record number of records is a statistical slam dunk.

Just wait till it's a record number of record number of records.
Title: Re: Heatwaves
Post by: vox_mundi on June 13, 2019, 10:59:40 PM
Lithuania Temperatures Hit Record Highs Amid Baltic Heatwave
https://www.france24.com/en/20190613-lithuania-temperatures-hit-record-highs-amid-baltic-heatwave

Lithuanian temperatures have hit record June highs, meteorologists said Thursday, as a heatwave forced school closures and threatened to reduce harvests in the drought-hit Baltic region.

Kaisiadorys in central Lithuania was the hottest place at 35.7 degrees Celsius (96.2 degrees Fahrenheit) on Wednesday, the highest-ever temperature recorded for June in the country, weather forecaster Paulius Starkus told AFP.

Scientists say the extreme weather is in part a result of climate change.

"Lithuania used to have heatwaves but now they occur more often and are more intense due to climate change," Vilnius University climatologist Donatas Valiukas told AFP.

Fellow Baltic state Latvia is also experiencing unusual heat for June, with temperatures over 32 degrees Celsius.

In recent days, Latvia's western region of Kurzeme saw thunderstorms with hail damaging buildings, smashing greenhouses and tearing power lines.

Fellow Baltic state Estonia had a heatwave last week and is now experiencing rainy and windy weather.

Poland has also been experiencing high temperatures this month, which has resulted in increased air-conditioner use. The power transmission system operator PSE said that on Wednesday there was record electricity demand for a summer morning at nearly 24.10 gigawatts (GW).

--------------------------

Indian Heat-Wave Hits Rural Economy Hard
https://www.dw.com/en/indian-heat-wave-hits-rural-economy-hard/av-49188390

Farmers can apply for compensation in case of crop failure, but India's notorious bureaucracy makes the application process difficult and time-consuming.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 15, 2019, 08:07:59 PM
How heatwaves will get worse
https://www.thetelegram.com/news/canada/as-canadian-cities-prepare-for-more-deadly-heat-waves-limiting-increase-of-climate-change-could-save-lives-322073/
Heatwave in Kuwait & SA:
https://gulfnews.com/world/gulf/kuwait-and-saudi-arabia-record-highest-temperature-on-earth-1.1560325581417
Title: Re: Heatwaves
Post by: vox_mundi on June 17, 2019, 05:15:03 AM
Kuwait and Saudi Arabia Record Highest Temperature on Earth   
https://gulfnews.com/amp/world/gulf/kuwait-and-saudi-arabia-record-highest-temperature-on-earth-1.1560325581417

Increasing respiratory disorders in the UAE are growing more common in hotter months because the body’s internal thermostat finds it difficult to regulate the drastic change in temperatures.   

Dubai: A man died in Kuwait yesterday as the country reels from a heatwave. The man, who died because of a heatstroke, was found with his tools next to his body.

Kuwait on Saturday recorded the highest temperatures in the world; reaching 52.2 degrees Celsius in the shadows and 63 degrees Celsius under direct sunlight, according to Al Qabas newspaper. In Saudi Arabia, the mercury rose to 55 degrees Celsius in Al Majmaah at noon.

The heatwave is expected to continue well into the summer season, which officially kicks off on June 21. Arabia Weather website stated that the heatwave has also struck Qatar, Bahrain and the UAE, with the heat being accompanied by a high humidity rate.

Meteorologists in Kuwait have predicted a volatile summer this year, noting that temperatures could reach 68 degrees under the sun next month.

In Iraq the southern province of Maysan recorded a 55.6 degrees Celsius.

... As one of the hottest countries in the world with around half of its terrain covered in desert, Iraq is no stranger to stiflingly hot summers.

But even by its own standards, this June has been a sizzler—averaging a daily 48 degrees Celsius (118 Fahrenheit), compared to around 40 in previous years.

... Further south in the oil-rich province of Basra, the heat has reached life-threatening levels.

Oil companies have hoisted purple flags above their facilities to signal the highest possible danger levels for those working on the fields given the heat wave.

... The United States has granted Iraq another 90-day waiver to continue with vital energy imports from neighbouring Iran despite re-imposed sanctions, a government source said Saturday.

The extension came after "long discussions" with Washington ahead of a looming deadline on a previous extension granted in December, the official, close to the negotiations, told AFP.

Iraq pipes in up to 28 million cubic metres of Iranian gas a day for power generation and also directly imports up to 1,300 megawatts of Iranian electricity.

....With temperatures set to rise further in the weeks ahead, government officials are bracing themselves.

"The heat is reaching levels we haven't registered since 2011," says Amer al-Jaberi of the state meteorological office.

"It's going to be a hot summer," says Jaberi.

https://m.phys.org/news/2019-06-iraqand.html
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 17, 2019, 07:19:45 PM
Still more on American kilodeaths report:
https://www.nbcnews.com/mach/science/without-swift-action-climate-change-heat-waves-could-kill-thousands-ncna1017376
Title: Re: Heatwaves
Post by: Shared Humanity on June 17, 2019, 07:24:20 PM


Kuwait on Saturday recorded the highest temperatures in the world; reaching 52.2 degrees Celsius in the shadows and 63 degrees Celsius under direct sunlight, according to Al Qabas newspaper. In Saudi Arabia, the mercury rose to 55 degrees Celsius in Al Majmaah at noon.



Can this be right? 145F in the sun?
Title: Re: Heatwaves
Post by: b_lumenkraft on June 17, 2019, 07:30:57 PM
52˚C = 126˚F
63˚C = 145˚F

Yes, SH.

Just insane...
Title: Re: Heatwaves
Post by: Tor Bejnar on June 17, 2019, 08:05:45 PM
Years ago in the Australian Outback (IGC 1976) - during a fieldtrip in the Kimberleys, it was particularly hot one day and we were later told it was 54ºC (in the sun [i.e., not an 'official' temperature]) in a nearby town.  We walked a couple kilometers along a (flat) streambed, and almost nobody had any interest in the geology after a few minutes.  It was just a trudge to get to where our bus went after dropping us off.
Title: Re: Heatwaves
Post by: pikaia on June 17, 2019, 09:16:48 PM
Can this be right? 145F in the sun?

I think this is meaningless. The temperature of the thermometer in sunlight might well reach 145F, but who cares? It does not mean that the air or anything else will be that temperature. The thermometer will heat up very quickly when exposed to direct sunlight, so it could be much warmer than the ground or the air.
Title: Re: Heatwaves
Post by: b_lumenkraft on June 17, 2019, 09:25:01 PM
who cares?

The relatives of the ones who die from this do care quite a lot. Not that i know them, but i feel save to assume so.
Title: Re: Heatwaves
Post by: grixm on June 17, 2019, 09:36:02 PM
who cares?

The relatives of the ones who die from this do care quite a lot. Not that i know them, but i feel save to assume so.

Pretty sure what kills people is the wet bulb temperature, not the temperature in the sun. All they have to do in the latter is just to seek shade.
Title: Re: Heatwaves
Post by: b_lumenkraft on June 17, 2019, 09:54:10 PM
Quote
Dubai: A man died in Kuwait yesterday as the country reels from a heatwave. The man, who died because of a heatstroke, was found with his tools next to his body.

Link >> https://gulfnews.com/world/gulf/kuwait-and-saudi-arabia-record-highest-temperature-on-earth-1.1560325581417

Sure he is to blame for doing his job and not seeking the shade?
Title: Re: Heatwaves
Post by: aperson on June 17, 2019, 11:40:15 PM
who cares?

The relatives of the ones who die from this do care quite a lot. Not that i know them, but i feel save to assume so.

Pretty sure what kills people is the wet bulb temperature, not the temperature in the sun. All they have to do in the latter is just to seek shade.

While you are "pretty sure", you are not really correct here. To determine heat stroke threat, the NWS uses the Heat Index, which is a regression that includes both temperature and relative humidity. It is distinct from a dewpoint calculation, see:

https://www.wpc.ncep.noaa.gov/html/heatindex_equation.shtml

Hot and dry environments with a suitably high heat index would have a low dew point yet would still present a high heat stroke threat.

Also note that "All they have to do in the latter is just to seek shade" is not very good advice given how rapidly heat exhaustion can present and how much it affects your physical and cognitive abilities.
Title: Re: Heatwaves
Post by: Shared Humanity on June 17, 2019, 11:56:33 PM
Can’t we all just agree that it is the guys fault for dying? >:(
Title: Re: Heatwaves
Post by: Niall Dollard on June 17, 2019, 11:57:24 PM

In Iraq the southern province of Maysan recorded a 55.6 degrees Celsius.

..

This is an erroneous reading. It shows up still on Ogimet as the 12Z reading that day.

It was disregarded and the max for the day was 46.2 C
Title: Re: Heatwaves
Post by: Archimid on June 18, 2019, 12:01:00 AM
I challenge you to take an IQ test sitting in forty degree heat right under the sun at lower latitudes. Or go ahead go physically demanding work. When it is hot enough even walking under the sun is painful and challenging.

The human body is an engine that runs at an operating temperature of 37C. This temperature must be maintained or the human engine breaks down. The optimal temperature for the human engine is 20-24 for low activity and colder than that for high activity.

For the case where environmental temperatures are higher than optimal, the cooling method the human engine uses is sweating. Sweat can remove enormous amounts of heat. If you keep loading the human body with water it can withstand very high temperatures for a long time. 

However if the body is not watered, the temperatures are too high or humid, or activity level is too high, sweating may be overwhelmed and the body overheats.

Once the body exceeds safe operating temperatures it overheats and activity ceases.
Title: Re: Heatwaves
Post by: interstitial on June 18, 2019, 04:55:31 AM
Can’t we all just agree that it is the guys fault for dying? >:(
Not to be dificult but I don't blame him. I once was helping someone move the temperature was 43 C and we were moving them up two flights of stairs. After a bit everyone else left and I didn't even realize it. Apparently I was working alone for about an hour and half without rest or water. When they asked why I didn't take a break or stop I was confused by the question and couldn't answer. My ability to think was just gone. If someone hadn't stopped me when they did I probably would have died that day. Now I know I have to hydrate and rest on hot days before I feel I need a break.
Title: Re: Heatwaves
Post by: b_lumenkraft on June 18, 2019, 07:17:47 AM
Can’t we all just agree that it is the guys fault for dying? >:(
Not to be dificult but I don't blame him.

SH was sarcastic i think.

No one here blames him (i hope).

Title: Re: Heatwaves
Post by: interstitial on June 18, 2019, 07:28:07 AM
Can’t we all just agree that it is the guys fault for dying? >:(
Not to be dificult but I don't blame him.

SH was sarcastic i think.

No one here blames him (i hope).


Oh ok
Title: Re: Heatwaves
Post by: grixm on June 18, 2019, 01:28:05 PM
Pretty sure what kills people is the wet bulb temperature, not the temperature in the sun. All they have to do in the latter is just to seek shade.

While you are "pretty sure", you are not really correct here. To determine heat stroke threat, the NWS uses the Heat Index, which is a regression that includes both temperature and relative humidity. It is distinct from a dewpoint calculation, see:

https://www.wpc.ncep.noaa.gov/html/heatindex_equation.shtml

Hot and dry environments with a suitably high heat index would have a low dew point yet would still present a high heat stroke threat.

Some say wet bulb temperature is a more accurate way to measure temperature stress on the body than Heat Index. Wet bulb temperature is not the same as dew point, you can have different wet bulb temperatures for the same dew point. Military agencies, OSHA and many nations use the wet bulb temperature as a guide to managing workload in direct sunlight. https://www.weather.gov/ict/WBGT
Title: Re: Heatwaves
Post by: Sigmetnow on June 18, 2019, 01:58:58 PM
2019 permafrost melt in Canada has reached expected 2090 levels already
Quote
"Researchers also recorded thawing at depths not expected until air temperatures rose to levels that the UN Intergovernmental Panel on Climate Change (IPCC) predicted it would reach in 2090." ...
https://mobile.twitter.com/starlight_energ/status/1140086653739868160
Title: Re: Heatwaves
Post by: Sigmetnow on June 18, 2019, 02:08:28 PM
Quote
"Faster Than Expected™ - Antarctic Melting Edition (continued) Antarctica is now losing ice six times faster than it was in 1979. Some terrific graphics, animations, imagery and video from @NASA and others in this recent @NewsHour segment: https://t.co/Yu9D3CRCMr"
https://mobile.twitter.com/davidlwindt/status/1121884760941498370

Quote
Remarkable. European weather model showed temperature over parts of Greenland peaked at 40 DEGREES above normal Wednesday. Melting observed on 45% of Greenland ice sheet that day, likely a record so early in season. More info on craziness in the Arctic: https://t.co/dQtwsjEURE https://t.co/iZLziUGs1N
https://mobile.twitter.com/capitalweather/status/1139579226993152000
Title: Re: Heatwaves
Post by: bligh8 on June 18, 2019, 05:50:55 PM
Can’t we all just agree that it is the guys fault for dying? >:(
Not to be dificult but I don't blame him. I once was helping someone move the temperature was 43 C and we were moving them up two flights of stairs. After a bit everyone else left and I didn't even realize it. Apparently I was working alone for about an hour and half without rest or water. When they asked why I didn't take a break or stop I was confused by the question and couldn't answer. My ability to think was just gone. If someone hadn't stopped me when they did I probably would have died that day. Now I know I have to hydrate and rest on hot days before I feel I need a break.

On the second day out Sailing from Darwin Australia to Christmas Island (about 1400NM due West) the wind died entirely , no wind. This was unusual as the Historical piolet charts suggested a 85% east to south east wind.  The trades were gone and their we sat, at night one could see a strong glow of Orange to the North ..East Timor was on fire due to civil unrest.

We were about 11 deg south of the equator, the air was stagnant, the surface of the Ocean had turned milk white, sea snakes seemed common slithering across the surface.  The thermometer was pinned at above 110 deg F.  About the third day of this hellish nightmare we (my son and I) cocooned the aft portion of the vessel trying to keep the sun off of us. 

Their was most definitely some mental gymnastics going on …  after 30 min sitting on deck I would decide nothing could be as bad as this and go inside the vessel, 30 min later, I would decide nothing could be as bad as this and go back outside. I had thought about jumping into the water to cool off, but the water seemed so uninviting.

Weather forecasting out of Guam was gone likely due to conditions in the Atmosphere D layer which propagate single bounce.  We were out of range of VHF weather forecasting from Australia and high seas marine weather forecasting transmitted  from Diego Garcia was absent.  On and on this went for 12 days, my son , half my age seemed to handle this better, less agitated he was.

I left the SSB on the 8meg band during the day and 14meg band evening and night.
Eventually we picked up vessel chatter some 800NM west. They suggested there was wind 300 NM west of our position, I had fuel for 600 NM in flat water.  Normally rule no 1 was- do not start engine without enough fuel to reach destination-.  The HEAT was horrible with no relief on board, no refrigeration… I'm sure I was slightly delirious, even desperate because I did start the engine and motored for three days at 5 knts.

I cannot express in words how we felt when the wind came, the sails fluttered and snapped full…this hellish nightmare was over.  Without some kind of protection from the heat at the very least cool or cold liquids one's mental capacity drops off rapidly.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 18, 2019, 10:51:43 PM
India swelters under heatwave:
https://www.reddit.com/r/collapse/comments/c24qny/todays_indias_land_surface_temperature_vast_areas/
and Iraq:
https://phys.org/news/2019-06-iraqand.html
Title: Re: Heatwaves
Post by: vox_mundi on June 19, 2019, 08:26:50 PM
High Temperature Records Will Be 'Smashed' in Coming Century
https://phys.org/news/2019-06-high-temperature-century.html
https://www.nature.com/articles/d41586-019-01891-3

Climate change will cause some regions of the world to "smash" high temperature records every year in the coming century, researchers warn. That will push "ecosystems and communities beyond their ability to cope," according to the authors of the study published online June 17 in Nature Climate Change.

The researchers used 22 climate models to forecast future summer temperatures. They determined that by the end of the 21st century, temperature events "will be so extreme that they will not have been experienced previously."

High monthly mean temperature records will be set in 58 percent of the world every year, with the greatest impact in developing countries and small island nations, according to the researchers. The highest monthly mean temperature records will occur in 67 percent of the least developed countries and 68 percent of small island developing states.

(https://media.springernature.com/m500/springer-static/image/art%3A10.1038%2Fs41558-019-0498-5/MediaObjects/41558_2019_498_Fig2_HTML.png)
Maps indicating the number of high monthly records set per decade during the period 2070–2099.

Scott B. Power et al. Setting and smashing extreme temperature records over the coming century (https://www.nature.com/articles/s41558-019-0498-5), Nature Climate Change (2019)
Title: Re: Heatwaves
Post by: bbr2314 on June 19, 2019, 10:40:31 PM
High Temperature Records Will Be 'Smashed' in Coming Century
https://phys.org/news/2019-06-high-temperature-century.html
https://www.nature.com/articles/d41586-019-01891-3

Climate change will cause some regions of the world to "smash" high temperature records every year in the coming century, researchers warn. That will push "ecosystems and communities beyond their ability to cope," according to the authors of the study published online June 17 in Nature Climate Change.

The researchers used 22 climate models to forecast future summer temperatures. They determined that by the end of the 21st century, temperature events "will be so extreme that they will not have been experienced previously."

High monthly mean temperature records will be set in 58 percent of the world every year, with the greatest impact in developing countries and small island nations, according to the researchers. The highest monthly mean temperature records will occur in 67 percent of the least developed countries and 68 percent of small island developing states.

(https://media.springernature.com/m500/springer-static/image/art%3A10.1038%2Fs41558-019-0498-5/MediaObjects/41558_2019_498_Fig2_HTML.png)
Maps indicating the number of high monthly records set per decade during the period 2070–2099.

Scott B. Power et al. Setting and smashing extreme temperature records over the coming century (https://www.nature.com/articles/s41558-019-0498-5), Nature Climate Change (2019)
It is hard to take these studies seriously when they all but ignore the input of increasing springtime SWE melt and Greenland mass wasting / snow melt. I see the little blip in the NATL but seriously, we are already witnessing much more severe effects over a very wide area, and by the 2070s it would be exceedingly difficult to imagine the impacts are not exponentially more severe given the expected situation re: Greenland wasting.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 19, 2019, 11:41:07 PM
A record number of records is a statistical slam dunk.

Just wait till it's a record number of record number of records.

Heat to smash records every year:
https://www.nature.com/articles/d41586-019-01891-3
Title: Re: Heatwaves
Post by: oren on June 20, 2019, 04:59:07 PM
On the second day out Sailing from Darwin Australia to Christmas Island (about 1400NM due West) the wind died entirely , no wind.
Wow, that sounds like a trip from hell.
Title: Re: Heatwaves
Post by: bligh8 on June 20, 2019, 05:39:43 PM
It truly was a trip through hell....I disdain the storms but the calms & heat rob me of my spirt.
Title: Re: Heatwaves
Post by: b_lumenkraft on June 20, 2019, 06:19:35 PM
I'm glad it turned out well, Bligh8!
Title: Re: Heatwaves
Post by: Tor Bejnar on June 20, 2019, 06:57:08 PM
Bligh8,
Yes, thanks for that story.  Matt Rutherford, when crossing the Equator going south in the Pacific (as I recall) used a bunch of his diesel to get through the doldrums (or near them), and his goal was Maryland (via Cape Horn).  [See his November 26, 2011 (https://solotheamericas.org/?paged=5) (heading south) and January 10, 2012 (https://solotheamericas.org/?p=387) (going north) posts, + and -.]  He made it all the way around the Americas, by the way!
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 20, 2019, 07:03:19 PM
Delhi ozone dangerously rising from heatwave:
https://www.news18.com/news/lifestyle/ozone-pollution-higher-in-delhi-due-to-heat-wave-poses-serious-health-risk-study-2195075.html
Yemen hit by bad heatwave:
https://eos.org/scientific-press/ice-free-arctic-summers-could-happen-on-early-side-of-predictions
Title: Re: Heatwaves
Post by: bligh8 on June 20, 2019, 07:07:02 PM
Thanks for the thoughtful replies.....  The one thing I had not thought of was the 98/99 El-nino and how it may have effected the trades in the Timor sea and NE regions of the Southern Indian Ocean.
From my ships log...we drifted west 20-30 miles every day, even across the gulf of Carpentaria there was no apparent shift in tide direction, it was always West. 

Tor B .. Thanks for the links!
Title: Re: Heatwaves
Post by: Juan C. García on June 20, 2019, 08:57:30 PM
"Recent scorching temperatures in Kuwait and Pakistan confirmed as third and fourth hottest on Earth".

Quote
It hit 129 degrees (53.9 Celsius, plus or minus 0.1 degrees uncertainty) in Mitribah, Kuwait, on July 21, 2016, and 128.7 degrees (53.7 Celsius, plus or minus 0.4 degrees uncertainty) in Turbat, Pakistan, on May 28, 2017.

“The Mitribah, Kuwait temperature is now accepted by the WMO as the highest temperature ever recorded for the continental region of Asia,” the organization wrote in a statement. It continued, “The two observations are the third (tied within uncertainty limits) and fourth highest WMO-recognized temperature extremes.”

Notably, the WMO list of highest global temperatures does not include a 129.2 degree temperature (54.0 Celsius) recorded in Furnace Creek at Death Valley, Calif., on June 30, 2013. But there is a reason.

That location was even hotter in 1913 when it reportedly hit 134 degrees (56.7 Celsius). This temperature is recognized as the hottest recorded on Earth. But some experts question its validity.
...

It is a similar story for the planet’s second-highest recognized temperature, which is 131 degrees (55.0 Celsius) from Kebili, Tunisia, set July 7, 1931, which also is Africa’s hottest temperature. This record has “serious credibility issues,” according to Christopher C. Burt, an expert on extreme weather data.
https://www.washingtonpost.com/weather/2019/06/18/recent-scorching-temperatures-kuwait-pakistan-confirmed-third-fourth-hottest-measured-earth/?utm_term=.89a064c0b701&wpisrc=nl_green&wpmm=1 (https://www.washingtonpost.com/weather/2019/06/18/recent-scorching-temperatures-kuwait-pakistan-confirmed-third-fourth-hottest-measured-earth/?utm_term=.89a064c0b701&wpisrc=nl_green&wpmm=1)
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 20, 2019, 09:33:06 PM
https://edition.cnn.com/2019/06/20/world/chennai-satellite-images-reservoirs-water-crisis-trnd/index.html

Quote
Chennai, India, is almost out of water. Satellite images show its nearly bone-dry reservoirs

(CNN)Very little rain, recent scorching temperatures and a late monsoon season are being blamed for the water shortage in India's sixth-largest city, with nearly 5 million residents.

Chennai's water supply comes from four reservoirs, all of which are almost completely dry because the monsoon rain that replenishes them has not come on time. Satellite imagery is making very clear just how low their reservoirs are.
Lake Puzhal, the city's largest, is the large body of water in the satellite image from Maxar below. On June 15, 2018, it was full of blue water.

One year later, the reservoir has been reduced to an almost completely dry lake bed.
Aerial video from a passenger plane shows the dusty lake bed now. Srini Swaminathan took the video of Lake Puzhal as he left Chennai on a flight.
"I intentionally paid for and chose a window seat to see the drought situation of my city from above," he told CNN.

Comparing more satellite imagery from Maxar shows just how much the water level has dropped in the last two months. The video and imagery above show's that there's barely any water in Lake Puzhal.

But just two months earlier, there was still some water left.

The reservoir's water supply dramatically shrank between June 15, 2018 and April 6, 2019. Since then, it's barely even a body of water.
The same is true further south in the smaller reservoir of Lake Chembarambakkam. It, too, is also dried up.

Only the deepest parts of the lake bottom hold water.
More satellite imagery from Planet Labs, Inc. shows Lake Chembarambakkam slowly drying up.

From February to June of this year, more and more of the lake bed turned to dust.
With the reservoirs dwindling, Chennai residents are being forced to find water. Richer residents and businesses are having water trucked in from nearby provinces.

Anyone who can't afford those deliveries is forced to find, and wait with buckets, for their rationed amount from state water trucks.

Any rain is a blessing for Chennai residents, and they got a little shower on Thursday -- roughly 1.14 inches of rain fell.
While it isn't enough to alleviate the water crisis, it is a hopeful sign that the monsoon rains are beginning.
Title: Re: Heatwaves
Post by: prokaryotes on June 20, 2019, 09:39:11 PM
Srini Swaminathan took the video of Lake Puzhal as he left Chennai on a flight.
"I intentionally paid for and chose a window seat to see the drought situation of my city from above," he told CNN.

Some more context, though
Quote
The drought, which officials say is worse than the 1972 famine [..] The village of Hatkarwadi, about 20 miles from Beed in Maharashtra state, is almost completely deserted.
[..] Groundwater, the source of 40% of India’s water needs, is depleting at an unsustainable rate, Niti Aayog, a governmental thinktank, said in a 2018 report. Twenty-one Indian cities – including Delhi, Bengaluru, Chennai and Hyderabad – are expected to run out of groundwater by 2020, and 40% of India’s population will have no access to drinking water by 2030, the report said.
https://www.theguardian.com/world/2019/jun/12/indian-villages-lie-empty-as-drought-forces-thousands-to-flee

From a 2017 news article..
Quote
Chennai's Drinking Water Cut By Half Amid Worst Drought In 140 Years
https://www.ndtv.com/chennai-news/chennai-turns-dry-as-worst-drought-in-140-years-hits-tamil-nadu-1717014
Title: Re: Heatwaves
Post by: Sebastian Jones on June 21, 2019, 05:30:00 AM
Record breaking heat wave hits the Arctic Alaska coast at Utqiagvik- well over 22 degrees!
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 21, 2019, 10:20:32 AM
Some more context, though
Quote
The drought, which officials say is worse than the 1972 famine [..] The village of Hatkarwadi, about 20 miles from Beed in Maharashtra state, is almost completely deserted.
[..] Groundwater, the source of 40% of India’s water needs, is depleting at an unsustainable rate, Niti Aayog, a governmental thinktank, said in a 2018 report. Twenty-one Indian cities – including Delhi, Bengaluru, Chennai and Hyderabad – are expected to run out of groundwater by 2020, and 40% of India’s population will have no access to drinking water by 2030, the report said.
https://www.theguardian.com/world/2019/jun/12/indian-villages-lie-empty-as-drought-forces-thousands-to-flee

Probably India in the near future will become the country with the worst environment. The largest population and the main engine of world production and consumption of the most non-ecological fuel (coal). In the future, the situation will worsen as groundwater is depleted and glaciers disappear in the Himalayas.

And in the end, India has one of the largest nuclear arsenals.

Explosive mixture.

For example, recently India has become the world leader in sulfide emissions (ahead of China).

https://so2.gsfc.nasa.gov/kml/OMI_Annual_EMI_AMF_Summary_2005-2018.pdf
Title: Re: Heatwaves
Post by: grixm on June 21, 2019, 11:05:36 AM
Looks like Europe will get hammered next week.
Title: Re: Heatwaves
Post by: Gray-Wolf on June 21, 2019, 12:52:36 PM
Hi Grixm!

It's not just the temps though!

In the UK we already have storm forecasts out for the period?

Seeing as NW Europe ( from Ireland through to east Germany and the North of Italy) is ground zero for funnel cloud formation I have always worried that 'steeping up' the energy in the atmosphere will allow more and more of the funnels to touch down?

Tornados are impossible to see in the Paleo record so we just do not know if in past epochs where temps were similar we did see such in our region?

Even though most structures are solid brick/concrete there is still a large potential for injury/loss of life from glass/debris should an F3 ,or above?, hit major population areas?

Anyhow, apart from flooding , giant hail and lightning strikes I will be looking out for reports of funnel cloud/tornado events.

Already I've heard one agency moot issuing a tornado warning for Wiltshire on Tuesday!!!

Time alone will tell the tale!

Title: Re: Heatwaves
Post by: Sigmetnow on June 21, 2019, 01:20:39 PM
Kees van der Leun: "India: Look at that temperature jump over the last 2 years. That's massive, for such a large country!...”
https://mobile.twitter.com/sustainable2050/status/1141433731586154497
Data from the India government
Title: Re: Heatwaves
Post by: RikW on June 21, 2019, 05:06:27 PM
Hi Grixm!

It's not just the temps though!

In the UK we already have storm forecasts out for the period?

Seeing as NW Europe ( from Ireland through to east Germany and the North of Italy) is ground zero for funnel cloud formation I have always worried that 'steeping up' the energy in the atmosphere will allow more and more of the funnels to touch down?

Tornados are impossible to see in the Paleo record so we just do not know if in past epochs where temps were similar we did see such in our region?

Even though most structures are solid brick/concrete there is still a large potential for injury/loss of life from glass/debris should an F3 ,or above?, hit major population areas?

Anyhow, apart from flooding , giant hail and lightning strikes I will be looking out for reports of funnel cloud/tornado events.

Already I've heard one agency moot issuing a tornado warning for Wiltshire on Tuesday!!!

Time alone will tell the tale!

We maybe/probably had 3 or 4 tornadoes hit the netherlands 2 weeks ago (missed the house of my parents in law by a ~500m's). Damage mostly trees, but more than the normal 'tornadoes' we have in the Netherlands
Title: Re: Heatwaves
Post by: dollarbillronson on June 21, 2019, 05:23:17 PM
15 monkeys die due to heat stroke, water scarcity in Madhya Pradesh forest

(https://akm-img-a-in.tosshub.com/indiatoday/images/story/201906/C_jhGmNXcAAwYwS.jpeg?I2EV5qAlOP0EaZ4p.GGmOtMEgs6.z2Te)

https://www.indiatoday.in/india/story/15-monkey-die-heat-stroke-water-scarcity-madhya-pradesh-1544774-2019-06-08 (https://www.indiatoday.in/india/story/15-monkey-die-heat-stroke-water-scarcity-madhya-pradesh-1544774-2019-06-08)
Title: Re: Heatwaves
Post by: Rich on June 21, 2019, 05:55:36 PM
Looks like Europe will get hammered next week.

Scheduled to hit mid 90's for 3 days in Brussels.

They'll survive.
Title: Re: Heatwaves
Post by: Juan C. García on June 22, 2019, 05:33:29 PM
"Recent scorching temperatures in Kuwait and Pakistan confirmed as third and fourth hottest on Earth".

Quote
Notably, the WMO list of highest global temperatures does not include a 129.2 degree temperature (54.0 Celsius) recorded in Furnace Creek at Death Valley, Calif., on June 30, 2013. But there is a reason.

That location was even hotter in 1913 when it reportedly hit 134 degrees (56.7 Celsius). This temperature is recognized as the hottest recorded on Earth. But some experts question its validity.
https://www.washingtonpost.com/weather/2019/06/18/recent-scorching-temperatures-kuwait-pakistan-confirmed-third-fourth-hottest-measured-earth/?utm_term=.89a064c0b701&wpisrc=nl_green&wpmm=1 (https://www.washingtonpost.com/weather/2019/06/18/recent-scorching-temperatures-kuwait-pakistan-confirmed-third-fourth-hottest-measured-earth/?utm_term=.89a064c0b701&wpisrc=nl_green&wpmm=1)
Just an informal heat record, but coming from an accredited newspaper in Mexico (original news in spanish, translated with "Google Translate"):
Quote
Researchers warn of high temperatures in Morelos ... up to 60 degrees Celsius!

Researchers from the Center for Biological Research (CIB) of the Autonomous University of the State of Morelos (UAEM), detected in the southern region of the state records of abnormal temperatures of up to 60 degrees Celsius, which, they said, already caused alterations in the habitat of the area.

The head of the educational program of the Master of Natural Resources of the CIB, Rubén Castro Franco, said that the main factors of these records are the extensive drought, the change of soil for the production of agave, the cutting of trees and climate change.

Regarding the logging, he accused that it was encouraged by the state government to allow the planting area of ​​the plant to increase.

"Even deforestation was favored by the government with programs that allowed the expansion of the agricultural frontier to plant, for example, the agave to produce tequila, which caused the loss of biodiversity," he explained.
https://www.elfinanciero.com.mx/nacional/alertan-investigadores-por-altas-temperaturas-en-morelos (https://www.elfinanciero.com.mx/nacional/alertan-investigadores-por-altas-temperaturas-en-morelos)

Title: Re: Heatwaves
Post by: Sigmetnow on June 23, 2019, 03:55:58 PM
Related, from the Drought thread:

"Each year, India’s June-to-September monsoon season is the most important weather event in the world. Hundreds of millions of people directly depend on the rains. This year, the rains are weeks behind schedule and 39% below normal. It’s a disaster in the making.”
https://mobile.twitter.com/ericholthaus/status/1142511152758493185
Image below.
Title: Re: Heatwaves
Post by: Tom_Mazanec on June 24, 2019, 06:30:13 PM
Heatwave coming in Europe:
https://www.afp.com/en/news/826/mercury-climbs-europe-braces-summer-scorcher-doc-1hr67f2

Italian hottest in decade?
https://www.thelocal.it/20190624/italy-weather-one-of-hottest-heatwave-in-decade
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 07:06:29 AM
https://www.theguardian.com/weather/2019/jun/26/europe-heatwave-cities-prepare-to-limit-effects-of-record-temperatures

Quote
In Germany, where the 38.6C recorded on Wednesday in Coschen, near the Polish border, exceeded the country’s previous June high, officials imposed a 120km/h speed limit on stretches of the Saxony-Anhalt autobahn as the road surface began to deteriorate, while rail tracks buckled near Rostock on the Baltic Sea.

Schools in parts of France, meanwhile – where an all-time heat record of 44.1C could be beaten on Friday – were expected to remain closed until the end of the week, while authorities in Paris, Lyon, Strasbourg and Marseille banned older cars from entering their city centres to combat pollution.

Regional Île-de-France authorities estimated the measure would affect nearly 60% of vehicles circulating around the French capital, including delivery vans and trucks, and many cars older than 10 years, which have higher emissions than newer models.

With temperatures in Milan forecast to hit 40C, charities were preparing to distribute 10,000 bottles of free water to the homeless and other people in need, while 33 of Spain’s 50 provinces will be facing record-breaking temperatures, which could reach 44C.

nnsbruck’s famous “fiaker” carriage horses were taken off the streets as the city recorded 36.7C, breaking the 2012 record for Tyrol state of 36.6C.

Three people, including two in their 70s, died in southern France after suffering heart attacks and other problems while swimming. French authorities have warned of the dangers of diving into cold water in very hot conditions, but there was no immediate confirmation the deaths were related to the heatwave.

In Poland, the interior ministry said 90 people have drowned so far this month trying to cool off in lakes or rivers, and in Lithuania 27 people were reported to have died in similar circumstances as temperatures in the Baltic state soared above 35C.

Strong winds and high temperatures helped fan a forest fire in Catalonia, in Spain, which destroyed some 2,500 hectares of land. Hundreds of firefighters and 14 water-dropping aircraft were battling the blaze on Wednesday night.

Scientists have said Europe’s 2019 heatwave, like last year’s, was closely linked to the climate emergency and that such extreme weather events will be many times more likely over the coming decades.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 07:17:27 AM
In Clermont-Ferrand (France) yesterday was +40.9. According to Wikipedia, this is a station record for all time (since 1981).

Before the national record, only a few were enough.

https://www.accuweather.com/en/weather-news/dangerous-extreme-heat-wave-tightens-grip-on-france-spain-and-other-parts-of-western-europe/70008660

Quote
The current national record high temperature for June stands at 41.5 C (106.7 F), registered near Narbonne in southern France in June 2003.

High temperatures may soar to 41 C (105 F) in parts of central and southern France on Thursday. Friday could be the hottest day of the week, as temperatures climb to near 42 C (107 F) across the interior of southeast France. AccuWeather RealFeel Temperatures may briefly climb above 43 C (110 F) in these locations when factoring in the combination of temperature, humidity and strong June sunshine.

Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 07:26:14 AM
https://www.washingtonpost.com/weather/2019/06/24/potentially-historic-deadly-early-summer-heat-wave-roast-europe-peaking-midweek

Quote
French meteorologist Gillaume Woznica tweeted Tuesday that the latest forecast leaves little doubt that France will set a new national heat record around 113 degrees (45 Celsius) on Friday, passing the old mark of 111 degrees (44.1 Celsius), set in 2003.

Farther northeast, Berlin is predicted to flirt with the century mark Thursday, while Potsdam is forecast to break its all-time record by 3.6 degrees (2 Celsius). In Switzerland, Geneva is expected to be around 98.6 degrees (37 Celsius) Wednesday and Thursday.

Even Copenhagen on the main island of Denmark is set to head into the 80s.

In addition to France, a list of June national records that may be broken includes Austria (101.5), Germany (101.3) and Switzerland (99.1), as well as several others in the region. Some all-time records, mostly set in July or August, may also be threatened.

In the United Kingdom and Ireland, temperatures are not forecast to be as intense as in the south, but some spots should see readings into the 80s, which is considerably above normal for the time of year. Farther east in southern Sweden, as well as neighboring Denmark, some spots could approach 90 degrees.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 07:27:32 AM
https://www.wunderground.com/cat6/Europe-Awaits-Record-Smashing-June-Heat-Wave

Quote
An unusually early heat wave
Much like the eastern U.S., Europe tends to get its hottest temperatures of the year later in the summer, in July and especially toward August. All-time national records, some of which may be challenged next week, include:

Austria: 40.5°C (104.9°F), August 8, 2013
Belgium: 38.8°C (101.8°F), July 2, 2015
Czech Republic: 40.4°C (104.7°F), August 20, 2012
Denmark: 36.4°C (97.5°F), August 10, 1975
France: 44.1°C (111.4°F), August 12, 2003
Germany: 40.3°C (104.5°F), July 5 and August 7, 2015
Liechtenstein: 37.4°C (99.3°F), August 13, 2003
Luxembourg: 39.9°C (103.8°F), August 8, 2003
Netherlands: 38.6°C (101.5°F), August 23, 1944
Switzerland: 39.7°C (103.5°F), July 7, 2015
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 04:46:59 PM
From a huge thermal differential began to explode the bombs of the Second World War.

https://www.dw.com/en/wwii-bomb-self-detonates-in-german-field-leaves-crater/a-49331435

Quote
WWII bomb self-detonates in German field, leaves crater
An aging chemical detonator caused a World War II bomb in western Germany to explode without an external trigger. The resulting crater had some residents mistaking the blast for a meteor.

A loud explosion in a field startled residents in the town of Limburg in western Germany on Sunday. The blast occurred in the middle of the night and was large enough to register a minor tremor of 1.7 on the Richter scale, according to local media.

No injuries were reported, but the mystery explosion left a crater that measured 10 meters (33 feet) wide and 4 meters deep.

Bomb specialists from the state of Hesse determined on Monday with "a probability bordering on certainty" that it was a WWII-era unexploded bomb that caused the blast.

Prior to the news release, residents were puzzled and confused by the crater, with some online speculating that it had been caused by a meteorite.

But Rüdiger Jehn, of the European Space Agency, told German newspaper Frankfurter Neue Presse that this was false. "A great deal of heat is released during an asteroid impact," the ESA expert said, adding that no evidence of heat or melting could be seen from the crater footage.

A rare self-detonation

The real culprit was an aerial bomb, which was buried at a depth of at least 4 meters, weighed 250 kilograms (550 pounds) and had a chemical detonator, investigators said. Authorities confirmed that the bomb had exploded by itself, without any external trigger.

Wolfgang Spyra, a professor and engineer at the Brandenburg University of Technology in Cottbus, told DW that a self-detonation of a WWII-era bomb is very rare in Germany and only occurs once or twice per year.

"In the case of bombs with chemical detonators, the materials of the detonator decompose over a long period of time," Spyra said. The decomposition of the detonator was the cause that authorities cited for the ignition.

Aging bombs a threat

Limburg city spokesman Johannes Laubach told German news service NTV that finding a WWII bomb in the area was not at all surprising. "A former railway depot made this area a bombing target at the end of the war," he explained.

WWII ended more than 70 years ago, yet finding unexploded bombs in Germany is still a frequent occurrence.

Two unexploded bombs were discovered on Monday in the central German town of Giessen, prompting the temporary evacuation of some 2,500 people. Earlier this month, an unexploded device was defused in a busy area of central Berlin.

"The most frequently found explosives are cluster bombs, air bombs and bombs with incendiary materials, such as white phosphorous," Spyra said.

He warned that as bombs age and decay, they become more dangerous. This applies to both chemical detonator bombs like the one found in Limburg and conventional bombs, which tend to experience long-term corrosion.

Over time "this corrosion process leads to the weakening of the safety mechanisms within the bombs," Spyra explained.

A spokesman for the arms and munitions disposal service for the cities of Cologne and Düsseldorf echoed Spyra's assessment, telling DW that unexploded bombs in the ground "will not become less dangerous over time."

 Defusing bombs – is there a safer way?

"Changes such as corrosion are visible from the outside, but any changes within the explosive ordnance cannot be detected" as the bombs are exposed to environmental changes, the spokesman said.

Between 1940 and 1945, some 2.7 million tons of bombs were dropped on Europe by US and British forces and half of them landed in Germany. Half of those that were dropped on Germany landed in North Rhine-Westphalia, the country's most populous state today.

Of the roughly quarter million bombs that did not explode, thousands are still hidden underground all over Germany.

Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 04:50:59 PM
Because of these bombs and climate change, thousands of people could die. Photo of a crater from a bomb explosion:

(https://www.washingtonpost.com/resizer/mtID4haBHHZp-IfyenIlUWCwJ6o=/1484x0/arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/RI3MUOUWNAI6TGQW3RKR5JNEHM.jpg)

(https://www.washingtonpost.com/resizer/QMBO2Ye26XfdR0HBY-9dd0NPAWY=/767x0/smart/arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/V7FGHVEWRII6TGQW3RKR5JNEHM.jpg)
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 27, 2019, 10:00:20 PM
https://www.accuweather.com/en/weather-news/dangerous-extreme-heat-wave-tightens-grip-on-france-spain-and-other-parts-of-western-europe/70008660

Quote
The current national record high temperature for June stands at 41.5 C (106.7 F), registered near Narbonne in southern France in June 2003.


Today, France (like Germany yesterday) set a new national record for June.

https://twitter.com/GWoznica/status/1144275460370640896

Quote
[EN DIRECT] #Canicule : la T°C la + élevée cet après-midi a été relevée par Météo-France à #Grospierres (Ardèche), c'est un nouveau #record de #chaleur pour un mois de juin en France (ancien record : 41,5°C à Lézignan-Corbières le 21/06/2003) mais il sera battu dès demain ! @LCI

Quote
42,3°C, température la plus élevée aujourd’hui en France ! Et c’est à Grospierres, dans l’Ardèche


Title: Re: Heatwaves
Post by: Pragma on June 27, 2019, 10:30:42 PM
Because of these bombs and climate change, thousands of people could die. Photo of a crater from a bomb explosion:

This is so emblematic of the very dangerous game we are playing. What other types of well hidden bombs are we triggering, or will be triggering soon? 
Title: Re: Heatwaves
Post by: vox_mundi on June 28, 2019, 06:00:40 PM
Paris: The temperature in France on Friday surpassed 45 degrees Celsius (113 degrees Fahrenheit) for the first time as Europe wilted in a major heatwave, state weather forecaster Meteo-France said.

The record was set in the village of Villevieille in the southern department of Gard, which registered a high of 45.1 degrees Celsius. The previous record stood at 44.1 degrees Celsius in the same area during the notorious August 2003 heatwave, Meteo-France told AFP.

https://www.theguardian.com/world/2019/jun/28/france-on-red-alert-as-heatwave-forecast-to-reach-record-45c

The World Meteorological Organisation in Geneva said 2019 was now firmly on course to be among the world’s hottest ever years and that 2015-2019 would then become the hottest five-year period on record.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 06:13:54 PM
The record was set in the village of Villevieille in the southern department of Gard, which registered a high of 45.1 degrees Celsius. The previous record stood at 44.1 degrees Celsius in the same area during the notorious August 2003 heatwave, Meteo-France told AFP.

This is a real disaster. France already set a national record in June. As however, the planet quickly heats up.

https://twitter.com/GWoznica

Quote
#CANICULE : 16h21, un moment historique en France ! La #température a atteint 45,9°C à Gallargues-le-Montueux, dans le #Gard : nouveau record absolu de #chaleur national (définitif). C’est d’autant plus exceptionnel que nous sommes en juin ! (1/2)

(https://pbs.twimg.com/media/D-KTarYX4AEHSIO.jpg)
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 06:19:44 PM
The record heat caused a major fire.

Quote
⚠️🔥🌡🏆🔴 #CANICULE : 16h21, un moment historique en France ! La #température a atteint 45,9°C à Gallargues-le-Montueux, dans le #Gard : nouveau record absolu de #chaleur national (définitif). C’est d’autant plus exceptionnel que nous sommes en juin ! (1/2)

Quote
[DIRECT] #Canicule : plusieurs départs de #feux signalés dans le département du #Gard cet après-midi, à #Garons près de #Nîmes ou encore à #Vauvert (photo de Julien Noble à Vauvert pour la page facebook Feux de forêt - Gard)

(https://pbs.twimg.com/media/D-J_awyX4AEpi7O.jpg)
Title: Re: Heatwaves
Post by: Rich on June 28, 2019, 06:34:12 PM
Damn.. 45.9C in France !!!

That nearly 116F.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 06:40:47 PM
https://www.wunderground.com/cat6/All-time-June-Heat-Records-Fall-5-European-Nations?cm_ven=cat6-widget

Quote
All-time June Heat Records Fall in 5 European Nations

Europe’s brutal June heat wave is less than half over, but all-time June national heat records have already fallen in five nations. Extreme heat is expected to last through Monday over portions of Western and Southern Europe, thanks to a “stuck” jet stream pattern that has allowed a hot airmass from the Sahara Desert to flow northwards into Europe.

Wednesday’s all-time June national heat records:

Poland, 38.2°C (100.8°F) at Radzyń; previous record 38.0°C in Wroclaw in 1935.
Czech Republic, 38.9°C (101.3°F) at Doksany; previous record 38.2°C at Brno in June 2000.
Germany, 38.6°C (101.5°F) at Coschen; previous record 38.5°C in June 1947.
Luxembourg, 36.8°C (98.2°F) at Petange; previous record 36.1°C on June 22, 2017.
Principality of Andorra, 37.8°C (100°F) at Borda Vidal; previous record 36.0°C in June 1935.

Update: an all-time June French national heat record of 42.3°C (108.1°F) was set at Gropsierres on Thursday. Previous record: 41.5°C (106.7°F), June 21, 2003.

Thanks go to Maximiliano Herrera for the Luxembourg and Andorra information. According to Herrera, the data from Andorra was the highest of the 30-minute data; the actual max has not yet been released, and could exceed the all time high of 37.9°C.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 09:32:38 PM
The last national record of France in 2003 has been exceeded today at least at 11 meteorological stations in France:

https://en.wikipedia.org/wiki/List_of_extreme_temperatures_in_France

Quote
45.9 °C (114.6 °F)   Gallargues-le-Montueux, Gard   June 28, 2019
45.4 °C (113.7 °F)   Villevieille, Gard   June 28, 2019
45.1 °C (113.2 °F)   Marsillargues, Hérault   June 28, 2019
44.6 °C (112.3 °F)   Saint-Chamas, Bouches-du-Rhône   June 28, 2019
44.5 °C (112.1 °F)   Varages, Var   June 28, 2019
44.4 °C (111.9 °F)   Nîmes, Gard   June 28, 2019
44.4 °C (111.9 °F)   Peyrolles-en-Provence, Bouches-du-Rhône   June 28, 2019
44.3 °C (111.7 °F)   Carpentras, Vaucluse   June 28, 2019
44.3 °C (111.7 °F)   Moules-et-Baucels, Hérault   June 28, 2019
44.3 °C (111.7 °F)   Vinon-sur-Verdon, Var   June 28, 2019
44.3 °C (111.7 °F)   Istres, Bouches-du-Rhône   June 28, 2019
44.1 °C (111.4 °F)   Conqueyrac, Gard   August 12, 2003

This is a total heat.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 09:50:52 PM
https://www.wunderground.com/cat6/Hottest-Day-French-History-459C-1146F?cm_ven=cat6-widget

Quote
All-time national heat record also set in Andorra
Friday’s extreme heat also affected northeastern Spain and the tiny Principality of Andorra, sandwiched between France and Spain. Andorra set their all-time national heat record on Friday with 39.4°C (102.9°F) at Borda Vidal. According to weather records expert Maximiliano Herrera, the previous national heat record was 38.5°C (101.3°F) at Andorra La Vella on July 16, 2005.

The catastrophic heat will begin a new assault on European records tomorrow and the day after tomorrow:

Quote
More record heat on Saturday and Sunday

Europe’s brutal June heat wave is expected to last through Sunday over portions of Western and Southern Europe, thanks to a “stuck” jet stream pattern that has allowed a hot airmass from the Sahara Desert to flow northwards into Europe. Over the weekend, numerous stations likely to set all-time heat records not only for June, but for any month of the year.

On Saturday, the most intense heat will be centered over Spain and the western two-thirds of France. By Sunday, the heat will progress eastwards, with France, Germany, Poland, and the Czech Republic all at risk of breaking all-time heat records.

Sunday is expected to be the hottest day of the heat wave for Germany, where at least 204 of 451 of the German weather service’s active stations broke or tied their June record on Wednesday. That list included 13 stations that broke or tied their all-time heat record for any month. Many of those records are set to fall again on Sunday.

At 1 pm Friday, the WU forecast for Berlin was predicting a Sunday high of 38.3°C (101°F); Maintz, Germany was forecast to be a degree hotter. Germany’s all-time heat record is 40.3°C (104.5°F), set on July 5 and August 7, 2015, and this record could fall on Sunday. The Czech Republic’s all-time heat record of 40.4°C (104.7°F) set on August 20, 2012, is also at risk on Sunday. The WU forecast for Teplice, Czech Republic on Sunday calls for a high of 37.8°C (100°F).

The heat wave will diminish by Monday, July 1, when no further all-time heat records can be expected to fall.
Title: Re: Heatwaves
Post by: Milret2 on June 28, 2019, 10:09:57 PM
As an old, retired physician’s assistant, I am going to predict this situation in Europe will kill an amazing number of people and livestock. As a person who had many farmers in my family I also predict poor harvests this year of a lot of food crops in many, many parts of the world. I very much hope my predictions are dead wrong.
Title: Re: Heatwaves
Post by: Rich on June 28, 2019, 10:14:34 PM
The last national record of France in 2003 has been exceeded today at least at 11 meteorological stations in France:

https://en.wikipedia.org/wiki/List_of_extreme_temperatures_in_France

Quote
45.9 °C (114.6 °F)   Gallargues-le-Montueux, Gard   June 28, 2019
45.4 °C (113.7 °F)   Villevieille, Gard   June 28, 2019
45.1 °C (113.2 °F)   Marsillargues, Hérault   June 28, 2019
44.6 °C (112.3 °F)   Saint-Chamas, Bouches-du-Rhône   June 28, 2019
44.5 °C (112.1 °F)   Varages, Var   June 28, 2019
44.4 °C (111.9 °F)   Nîmes, Gard   June 28, 2019
44.4 °C (111.9 °F)   Peyrolles-en-Provence, Bouches-du-Rhône   June 28, 2019
44.3 °C (111.7 °F)   Carpentras, Vaucluse   June 28, 2019
44.3 °C (111.7 °F)   Moules-et-Baucels, Hérault   June 28, 2019
44.3 °C (111.7 °F)   Vinon-sur-Verdon, Var   June 28, 2019
44.3 °C (111.7 °F)   Istres, Bouches-du-Rhône   June 28, 2019
44.1 °C (111.4 °F)   Conqueyrac, Gard   August 12, 2003

This is a total heat.

Holy shit. Wholly shit.
Title: Re: Heatwaves
Post by: wdmn on June 28, 2019, 10:26:18 PM
Don't worry though... 1.5C (which we cannot attain) is still a safe level of warming.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 10:33:18 PM
+45.9 may not be the final value.

https://twitter.com/SergeZaka/status/1144678034915639297

Quote
Incredible graphs of the french #heatwave.
104 stations over > 40°C.
12 stations break the all-time higher record of France (44.1°C and now 45.9°C).
One station of @infoclimat reached 46.1°C ! https://www.infoclimat.fr/observations-meteo/temps-reel/le-triadou/000LW.html … !
Montpellier break his higher all-time record of almost 6°C !

https://www.infoclimat.fr/observations-meteo/temps-reel/le-triadou/000LW.html
Le Triadou
Département 34 Hérault
Altitude 80 mètres
Coordonnées 43,74°N | 3,85°E
Quote
Température maximale : tx   46.1°C
Température minimale : tn   18.2°C
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 28, 2019, 10:39:31 PM
https://edition.cnn.com/2019/06/28/europe/france-record-temperature-heatwave-intl/index.html

Quote
Earlier this week, French national weather service Météo-France linked the country's increasingly frequent heatwaves with greenhouse gas emissions, warning that, without significant cuts to emissions, heat waves could be stronger and last longer than in the past.

According to Stefan Rahmstorf, co-chairman of Earth system analysis at the Potsdam Institute for Climate Impact Research and professor at Potsdam University in Germany, mounting heatwaves are exactly what climate scientists predicted as a result of rising global temperatures caused by increases in greenhouse gas emissions from burning coal, oil and gas.

"Heat waves are on the rise," Rahmstorf said in a statement earlier this week, comparing recent extreme heat with 500 years of records. "The hottest summers in Europe since the year 1500 AD all occurred since the last turn of the century: 2018, 2010, 2003, 2016, 2002."
Title: Re: Heatwaves
Post by: Sigmetnow on June 29, 2019, 06:21:17 PM
Maps, links and climate facts, published a few days ago.
(Twitter thread, rolled into one article.)

Stefan Rahmstorf: Some facts on heat waves, as Europe is waiting for a record-breaking this week.
https://threadreaderapp.com/thread/1143113152730677249.html
Title: Re: Heatwaves
Post by: Sebastian Jones on June 30, 2019, 07:53:04 AM
It may not be as warm as it is in Europe here, 120 miles south of the arctic Circle, but it certainly counts as a heatwave around here- still 30 degrees at 9pm.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 30, 2019, 02:53:04 PM
https://twitter.com/bbcweather

Quote
Germany has seen it's June temperature record broken today with Koblenz reporting 38.7C
Title: Re: Heatwaves
Post by: Shared Humanity on June 30, 2019, 03:00:41 PM
The stuck weather patterns across the NH has resulted in a solid week of humid air and afternoon and evening thunderstorms in Chicago. This is forecast to continue for the next 2 weeks. Farmers in the central U.S. do not need any more rain.

We have broken the weather. This will be the new normal.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 30, 2019, 03:26:39 PM
Today's catastrophe in Germany continues:

https://twitter.com/uwz_de

Quote
+++#Hitze-Ticker+++
15 Uhr: heißeste Orte aktuell:
38.9°C Bad #Kreuznach
38.6°C #Halle-#Trotha
38.4°C #Guteborn/Lausitz
38.1°C #Worms
38.0°C #Jena/Sternwarte
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 30, 2019, 04:02:54 PM
https://twitter.com/uwz_de

Quote
Wohl neuer absoluter #Hitzerekord für Juni!
Nach 38,6° in Coschen/Brandenburg am Mittwoch, meldet aktuell um 15:30 Uhr Bad Kreuznach in Rheinland-Pfalz eine Spitze mit 39,2°C. Unsere Station Halle-Trotha meldet 39,0°C. Temperaturen noch etwas steigend!
Title: Re: Heatwaves
Post by: b_lumenkraft on June 30, 2019, 04:36:42 PM
Can confirm, quite hot in Palatinate (that's what the Tweet above says). I'm there.
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 30, 2019, 04:43:32 PM
In Prague is now at 16:00 +38.0. This is an absolute station record (observations from 1775!).
Title: Re: Heatwaves
Post by: ArcticMelt2 on June 30, 2019, 08:33:52 PM
https://twitter.com/uwz_de

Quote
++ UWZ - Hitzeticker ++
die 40-Grad-Marke wurde nicht erreicht, dennoch war es an einigen Stationen so heiß wie nie zuvor im Juni. Hier die Top5 der heißesten Orte:

39,6 #Bernburg-Strenzfeld
39,3 #Frankfurt-Flughafen
39,3 #Wiesbaden
39,3 #Bad Kreuznach
39,2 #Halle/Trotha
Title: Re: Heatwaves
Post by: vox_mundi on July 02, 2019, 04:08:03 AM
Record-Smashing Heat Wave Bakes Alaska, Worsening Wildfires
https://amp.usatoday.com/amp/1616992001

On Saturday, downtown Juneau, Alaska's capital city, hit 83 degrees, breaking a record that had stood for 110 years. 

Saturday was only the fifth day since 1952 that Anchorage, Juneau and Fairbanks were all 81 degrees or warmer, according to Alaska-based climatologist Brian Brettschneider.

The temperature in Anchorage on Sunday soared to 82 degrees, the city's highest reading in three years, the weather service said.

(https://pbs.twimg.com/media/D-UMJJ9U8AUFEU8?format=jpg&name=small)

... Sea surface temperatures last week there were as high as 9 degrees above the 1981-2010 average.

The northern Alaska warmth is weeks ahead of schedule and part of a “positive feedback loop” compounded by climate change. Rising ocean temperatures have led to less sea ice, which leads to warmer ocean temperatures, he said.

The last five years have produced the warmest sea-surface temperatures on record in the region, contributing to record low sea-ice levels.

Meanwhile, in southern Alaska, the next heat wave will be worse than the one over the weekend:

... “It’s forecast to be stronger and hotter than the one we just had,” Patrick Doll, a meteorologist with the weather service in Anchorage, told the Daily News. “Think of what we’ve been experiencing and tack on 2-4 degrees.”

Brettschneider tweeted that "we may approach all-time records in places."

The state's all-time record high temperature of 100 degrees   


------------------------

European Heat Wave Shifts East; All-Time Heat Records Tumble in Germany   
https://www.wunderground.com/cat6/European-Heat-Wave-Shifts-East-All-Time-Heat-Records-Tumble-Germany
Title: Re: Heatwaves
Post by: ArcticMelt2 on July 02, 2019, 05:07:29 PM
https://twitter.com/zlabe
https://climate.copernicus.eu/record-breaking-temperatures-june

Quote
Wow, June 2019 was the hottest on record and greater than 2°C above the 1981-2010 climate average in Europe. The average global temperature was also the highest on record.

(https://climate.copernicus.eu/sites/default/files/inline-images/era_hadcrut4_monthly_and_30-year_temperatures_v1_from_1880.png)
Title: Re: Heatwaves
Post by: vox_mundi on July 02, 2019, 05:43:39 PM
California Heatwave Cooks Mussels In Their Shells
https://www.treehugger.com/climate-change/california-heatwave-cooks-mussels-their-shells.html

... "On a 75 degree Fahrenheit day, the tissues inside a marine creature glued to a rock out of the water might rise to 105 degrees. The animals try to vent the heat building up inside of them but can’t without a breeze to carry it away. The mussels’ black shells trap even more heat. 'They were just literally cooking out there,' Helmuth said. 'Unfortunately this was the worst possible time.'"

What made this situation so unusual is that the heatwave occurred early in the summer season, when tides shift in the late morning and early afternoon. This exposes the mussels to more direct sunlight than they'd normally have later in the year, when tides shift in the early morning or late at night, reducing the danger for tide pool dwellers.

... it's indicative of the fragility of so many marine creatures, and how "a lot of ecosystems exist really close to the edge of what they can tolerate."

---------------------------

June Heatwave Unleashed a Pollution Bloom Over Europe
https://www.euronews.com/2019/07/02/watch-how-the-june-heatwave-unleashed-a-pollution-bloom-over-europe

https://youtu.be/bWyzswQ17QI

June's unprecedented heatwave in Central Europe led to a spike in concentrations of ozone & pollutants in Central Europe. The Copernicus Atmosphere Monitoring Service created a visualisation of how ozone levels evolved through the week.

For, comparison a visualization of the ozone levels from June 11 to June 16, which was a week with "normal" temperatures for the season.

... Normal ozone levels are around 100 - 120 micrograms per cubic meter (µg/m³). Last week Europe has seen levels above 180 µg/m³, the information threshold according to WHO, above which "national authorities should inform the public and give advice immediately after an exceedance".

According to European agencies, the threshold reflects a 'level beyond which there is a risk to human health from brief exposure for particularly sensitive sections of the population'. When the threshold is exceeded, national authorities are required to inform the public, states the European Environment Agency.

The alert threshold, which poses a direct risk for the population, is 240 µg/m3. In order to maintain good health, however, there should not be more than 25 days per year where ozone levels exceed 120 µg/m3 (on an 8-hour average).
Title: Re: Heatwaves
Post by: b_lumenkraft on July 03, 2019, 03:06:01 PM
Climate change made Europe’s mega-heatwave five times more likely

Quote
After a series of unusually hot summers, France and other parts of Europe last week experienced another intense heatwave that broke temperature records across the continent.

For one group of climate scientists, the event presented a rare opportunity: to rapidly analyse whether the cause of the heatwave — which made headlines around the world — could be attributed to global warming. After a seven-day analysis, their results are in: climate change made the temperatures reached in France last week at least five times more likely to occur than in a world without global warming.

The scientists with the World Weather Attribution Project decided to take action when they saw the heatwave coming and ended up performing a real-time analysis while at a climate conference in Toulouse, France. As they met at the International Conference on Statistical Climatology, the city and most of France baked in searing temperatures — the southeastern town of Gallargues-le-Montueux broke national temperature records, hitting 45.9°C on 28 June.

...

To date, more than 200 attribution studies have examined whether climate change made particular events — including heat spells, droughts, floods and storms — more likely. Researchers found that about two-thirds of the extreme events they analysed were made more likely, or more severe, by the build-up of greenhouse-gases in the atmosphere.
Link >> https://www.nature.com/articles/d41586-019-02071-z

Title: Re: Heatwaves
Post by: ArcticMelt2 on July 03, 2019, 05:44:17 PM
I drew attention to the warmest June in Amazonia.

(https://pbs.twimg.com/media/D-f4OhmUwAAyaup.jpg)

Indeed, in the Amazon last month there was a very large loss of the forest.

https://www.reuters.com/article/us-brazil-environment/brazil-deforestation-exceeds-88-in-june-under-right-wing-bolsonaro-idUSKCN1TY1VU

Quote
Brazil deforestation exceeds 88% in June under right-wing Bolsonaro
Jake Spring
4 MIN READ

BRASILIA (Reuters) - Deforestation in Brazil’s portion of the Amazon rainforest soared more than 88% in June compared with the same month a year ago, the second consecutive month of rising forest destruction under new right-wing President Jair Bolsonaro.

According to data from Brazil’s space agency, deforestation in the world’s largest tropical rainforest totaled 920 square km (355 square miles).

The data showing an 88.4% deforestation increase is preliminary but indicates the official annual figure, based on more detailed imaging and measured for the 12 months to the end of July, is well on track to surpass last year’s figure.

In the first 11 months, deforestation already has reached 4,565 square km (1,762 square miles), a 15 percent increase over the same period in the previous year. That is an area larger than the U.S. state of Rhode Island.

Environmentalists have warned that Bolsonaro’s strong remarks calling for the development of the Amazon and criticizing the country’s environmental enforcement agency Ibama for handing out too many fines would embolden loggers and ranchers seeking to profit from deforestation.

“Bolsonaro has aggravated the situation. ... He has made a strong rhetorical attack,” said Paulo Barreto, a researcher at Brazilian nongovernment organization Imazon.

The surge in deforestation comes as Brazil faces more pressure to protect its environment under the terms of the free trade deal between the European Union and South American blocs Mercosur agreed to last week.

The rainy season through April appeared to have held off a spike in deforestation that subsequently came with the dry season starting in May.

Deforestation rose 34% in May compared with the same month a year ago.

Bolsonaro’s office declined to comment, saying questions would be addressed by the Environment Ministry.

“We are adopting all measures to combat illegal deforestation,” Environment Minister Ricardo Salles told Reuters. “This week we had 17 enforcement teams simultaneously in all of the Amazon from Ibama.”

Brazil is home to 60% of the Amazon, which is the world’s largest tropical rainforest and is seen as vital to the global fight against climate change.

Grains trader Cargill, the largest privately held U.S. company, said last month that the food industry would not be able to meet a pledge to eliminate deforestation in their supply chains globally by 2020 and committed to do more to protect native environments in Brazil.

While the final text of the EU-Mercosur deal has not been released, an outline from the EU states the agreement includes a provision that the Paris Agreement on climate change must be effectively implemented along with other commitments to fight deforestation.

French President Emmanuel Macron had warned last week prior to agreement on the deal that he would not sign off on it if Brazil leaves the Paris accord.

Greenpeace forest strategist Paulo Adario said “all indications” are that deforestation will worsen under Bolsonaro, but he hopes news of a large increase will put pressure on the government to take action.

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“When they have the final numbers, if it is really a lot, this will be a nightmare for Bolsonaro,” Adario said. “This is something that is really important from an international and Brazilian point of view because the Amazon is an icon.”

Title: Re: Heatwaves
Post by: ArcticMelt2 on July 03, 2019, 05:51:10 PM
https://fingfx.thomsonreuters.com/gfx/editorcharts/BRAZIL-ENVIRONMENT/0H001QEET70G/index.html

Third place since 2016:

1) 08.2016 1025 sq.km
2) 06.2016 951.5 sq.km
3) 06.2019 920.4 sq.km

Greater loss of rainforest in Amazonia was only during in the strongest El Nino.

The destruction of the forests of the planet means the destruction of the last chance to stabilize the concentration of greenhouse gases in the atmosphere.
Title: Re: Heatwaves
Post by: bligh8 on July 04, 2019, 02:32:40 PM
 Verification of Heat Stress Thresholds for a Health-Based Heat-Wave Definition
https://journals.ametsoc.org/doi/full/10.1175/JAMC-D-18-0246.1

https://doi.org/10.1175/JAMC-D-18-0246.1.....open access...nice paper

Abstract
Heat waves represent a threat to human health and excess mortality is one of the associated negative effects. A health-based definition for heat waves is therefore relevant, especially for early warning purposes, and it is here investigated via the universal thermal climate index (UTCI). The UTCI is a bioclimate index elaborated via an advanced model of human thermoregulation that estimates the thermal stress induced by air temperature, wind speed, moisture, and radiation on the human physiology. Using France as a test bed, the UTCI was computed from meteorological reanalysis data to assess the thermal stress conditions associated with heat-attributable excess mortality in five cities. UTCI values at different climatological percentiles were defined and evaluated in their ability to identify periods of excess mortality (PEMs) over 24 years. Using verification metrics such as the probability of detection (POD), the false alarm ratio (FAR), and the frequency bias (FB), daily minimum and maximum heat stress levels equal to or above corresponding UTCI 95th percentiles (15° ± 2°C and 34.5° ± 1.5°C, respectively) for 3 consecutive days are demonstrated to correlate to PEMs with the highest sensitivity and specificity (0.69 ≤ POD ≤ 1, 0.19 ≤ FAR ≤ 0.46, 1 ≤ FB ≤ 1.48) than minimum, maximum, and mean heat stress level singularly and other bioclimatological percentiles. This finding confirms the detrimental effect of prolonged, unusually high heat stress at day- and nighttime and suggests the UTCI 95th percentile as a health-meaningful threshold for a potential heat-health watch warning system.

The summer of 2003 represented a turning point in the study of heat waves and their impacts on human health. The deaths of more than 70 000 people, caused by sustained, excess heat that dominated Europe in that period, urged most affected countries to implement heat-health action plans for the first time (Robine et al. 2008). Since 2003, warning systems based on meteorological forecasts have been put in place by governments across the continent to anticipate heat waves and reduce related excess mortality through the timely notification of prevention measures. Prevention measures are addressed both to the general population and to vulnerable groups, such as the elderly, who are particularly at risk of heat-related mortality, and to first responders, that is, national health services, as heat-wave events are associated with increases in emergency hospital admissions and ambulance call-outs (Kovats and Ebi 2006). Warning systems for health hazards in heat-wave conditions, known as heat-health watch warning systems (HHWWSs), use a variety of different indicators to identify and inform of a potentially hazardous heat-wave event (Lowe et al. 2011). The indicator mostly used in Europe is the 2-m air temperature. Parameters combining 2-m air temperature with relative air humidity, such as the apparent temperature or the heat index, are also adopted. The relationship between these indicators and mortality is well documented in literature (e.g., D’Ippoliti et al. 2010; Gasparrini et al. 2015).
Title: Re: Heatwaves
Post by: Sigmetnow on July 06, 2019, 01:45:42 PM
Fireworks were banned in some areas of the state due to risk of wildfires.

Alaskan heat wave sees record-level temperature on Independence Day
Quote
Alaska's heat wave continued through Independence Day, and in Anchorage, the temperatures shattered an all-time record.

The temperature at the airport was 90 degrees Thursday, besting June 14, 1969, for the highest mark ever recorded in the city, according to the National Weather Service. ...
https://www.cnn.com/2019/07/04/us/alaska-record-heat-trnd-wxc/index.html
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 06, 2019, 04:59:05 PM
Fireworks were banned in some areas of the state due to risk of wildfires.

Alaskan heat wave sees record-level temperature on Independence Day
Quote
Alaska's heat wave continued through Independence Day, and in Anchorage, the temperatures shattered an all-time record.

The temperature at the airport was 90 degrees Thursday, besting June 14, 1969, for the highest mark ever recorded in the city, according to the National Weather Service. ...
https://www.cnn.com/2019/07/04/us/alaska-record-heat-trnd-wxc/index.html

In the 1988 drought, the Maple Heights Fire Department spent the whole day hosing down the firework fields so we could have a display.
Title: Re: Heatwaves
Post by: Sebastian Jones on July 09, 2019, 08:28:02 PM
I think this is the most appropriate page for extreme heat in an arctic river.
Emmonak is a Yupik community at the mouth of the Yukon river on the Bering sea.
The recent record heatwave in Alaska and the Yukon (referenced above in several posts) combined with extremely low water have pushed water temperatures well into record territory.
This is significant for the salmon upon which the river communities depend because as the fish migrate upstream, they generate body heat (despite being cold blooded) which has to be dissipated. The science is not complete yet, but the consensus is that a body temperature over 20C is too hot and the salmon stop migrating, find a cool spring and hang out until they have cooled off enough to move again.
The attached screenshot is from data supplied by the Alaska Department of Fish and Game.
Title: Re: Heatwaves
Post by: gerontocrat on July 09, 2019, 08:44:01 PM
I think this is the most appropriate page for extreme heat in an arctic river.
Emmonak is a Yupik community at the mouth of the Yukon river on the Bering sea.
The recent record heatwave in Alaska and the Yukon (referenced above in several posts) combined with extremely low water have pushed water temperatures well into record territory.
This is significant for the salmon upon which the river communities depend because as the fish migrate upstream, they generate body heat (despite being cold blooded) which has to be dissipated. The science is not complete yet, but the consensus is that a body temperature over 20C is too hot and the salmon stop migrating, find a cool spring and hang out until they have cooled off enough to move again.
The attached screenshot is from data supplied by the Alaska Department of Fish and Game.

And the effect of such a long heatwave on the permafrost?
https://toolkit.climate.gov/case-studies/yukon-delta-villages-document-baseline-environmental-data
Quote
Living on the Yukon Delta
The Yukon River drains a vast and diverse area of western Canada and Alaska. Where it approaches Alaska’s southwest coast on the Bering Sea, the great river spreads out and meanders across the Yukon Delta, a broad, flat region of wetlands and tundra underlain by permafrost. For thousands of years, Native Alaskans of Yup’ik and Cup’ik cultures have flourished in this unique region, sustained by hunting, fishing, and gathering the region’s diverse plant life.
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 16, 2019, 04:51:08 PM
Alaska's heat wave:
https://www.adn.com/alaska-news/2019/07/09/records-tumble-as-alaskas-historic-heat-wave-rolls-on/
Title: Re: Heatwaves
Post by: Juan C. García on July 17, 2019, 01:07:27 PM
Widespread, dangerous heat wave to expand across much of the U.S.
Quote
A stifling heat wave has begun to take shape across large portions of the United States, with millions likely to see temperatures creep toward the century mark, along with even higher heat indexes by this weekend.
The heat wave is already generating excessive heat watches in the central United States, and by Wednesday the national weather map is likely to feature a blanket of heat advisories from the National Weather Service. The combination of sultry dew points and scorching air temperatures approaching will help make this event a dangerous one from a public health perspective.
Cities including Chicago, St. Louis, Washington, Philadelphia, New York, Nashville and Kansas City, Mo., are likely to see at least three days with temperatures between 95 degrees and 100 degrees, along with dew points — a measure of the amount of moisture in the air — above 70 degrees.
https://www.washingtonpost.com/weather/2019/07/16/widespread-dangerous-heat-wave-expand-across-much-us/?utm_term=.c5c40a28c1bb (https://www.washingtonpost.com/weather/2019/07/16/widespread-dangerous-heat-wave-expand-across-much-us/?utm_term=.c5c40a28c1bb)
Title: Re: Heatwaves
Post by: vox_mundi on July 17, 2019, 06:01:17 PM
N.J. weather: It could feel like 110 degrees this weekend as scorching heat moves into region
https://www.nj.com/weather/2019/07/nj-weather-it-could-feel-like-110-degrees-this-weekend-as-scorching-heat-moves-into-region.html
https://www.cnn.com/2019/07/16/weather/weather-heatwave/index.html

(https://www.nj.com/resizer/kc4rVHcA_UGYvH61MdWCjq4QDVI=/600x0/arc-anglerfish-arc2-prod-advancelocal.s3.amazonaws.com/public/5QJQIAHPWNEY7KHBTO54IJA7Z4.gif)

“The worst day, right now, looks to be Saturday,” said Sarah Johnson, a meteorologist at the National Weather Service’s Mount Holly office. "Because of the humidity, we could see the heat index rise to between 105 and 110 degrees along the I-95 corridor."

The humidity, in part thanks to the remnants of Tropical Storm Barry, will also hike the heat index or apparent temperature — a measure of what the air feels like to the human body. It’s expected to feel like more than 100 degrees in most places Wednesday and Friday through Sunday across the state, peaking at near 110 on Saturday.

... The most grueling part of the approaching heat is that much of the state won’t get a break at night. High humidity (and New Jersey’s pervasive, heat-absorbing blacktop) will keep heat trapped overnight, and many places may not fall below 75 degrees until the beginning of next week, forecasts show.

The heat index, a measure of how the temperature feels to the human body when things like humidity are factored in, may not fall below 85 degrees in some places this weekend. In New York City, the temperature may not fall below 80 degrees at night between Friday and Monday.

According to the Weather Service forecast office in Chicago, “The heat is forecast to be oppressive and dangerous everywhere, with possibly some of the hottest conditions since 2012."

... Heat Index Temperatures in Washington, D.C., are forecast to peak near 113 F, which is close to the same level predicted for Death Valley, California. While actual temperatures will be higher in the deserts, humidity levels will make it feel as hot or hotter than the Southwest in parts of the Central and Eastern states.

https://www.washingtonpost.com/resizer/shBsKYhp9duYNgq8vdhcoXqcD9c=/984x0/arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/2BURPIY43BBQRH53OXVEN7NOMA.png

------------

stay cool bligh8
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 17, 2019, 06:21:31 PM
Here in Twinsburg Fri-Sat the forecast is for 95˚ F.
How cities can help residents survive heatwaves:
https://www.nytimes.com/2019/07/16/climate/red-cross-heat-waves.html
New Alpine lake from heatwave:
https://www.unilad.co.uk/news/world-news/lake-discovered-11000ft-high-in-alps-in-truly-alarming-sign-of-climate-change/
Title: Re: Heatwaves
Post by: oren on July 18, 2019, 05:27:21 AM
https://www.timesofisrael.com/israel-bakes-as-temperature-climbs-to-near-record-49-9c/ (https://www.timesofisrael.com/israel-bakes-as-temperature-climbs-to-near-record-49-9c/)

Israel bakes as temperature climbs to near-record 49.9°C at biblical Sodom
Quote
Heat hits 40°C in Tel Aviv, even higher near Dead Sea; heat wave blamed for massive wave of brushfires

A heat wave that struck Israel Wednesday sent temperatures soaring to near-record breaking heights.

The highest temperature in the country was recorded on the southern shores of the Dead Sea, near the site of Biblical Sodom, where the mercury hit 49.9° Celsius (122° Fahrenheit), a record for the spot.
Title: Re: Heatwaves
Post by: vox_mundi on July 18, 2019, 05:51:46 PM
‘Quite Phenomenal’: Arctic Heatwave Hits Most Northerly Settlement in World
https://www.cbc.ca/news/canada/north/heat-wave-alert-nunavut-1.5212801
https://www.independent.co.uk/environment/arctic-heatwave-canada-climate-change-temperature-record-alert-nunavut-alaska-a9008181.html
https://www.theweathernetwork.com/ca/news/article/most-northern-tip-of-canadian-arctic-alert-nunvaut-reaches-21-degrees

(https://images.twnmm.com/c55i45ef3o2a/2OmVOSnbDNryYXuMDdjj5t/4d5a196827673cfdf28f3b2a3bc1fe99/The_Setup.jpg?w=680&fm=jpg)

Canada’s weather agency confirmed on Tuesday that temperatures in Alert, Nunavut, peaked at 21C at the weekend – far exceeding the July average for the area of around 7C.

Overnight temperatures on Sunday remained above 15C; again, well in excess of nighttime lows that usually hover around freezing in a settlement that lies less than 820 kilometres (508 mi) from the North Pole.

This is in fact, the first time a temperature warmer than 20° has been measured north of 80° on the planet. The previous record was held by Alert – the old benchmark being 20°C back in July 1956.

In a further alarm bell for the region, the mercury climbed above 20C for a second day on Monday – the first time Alert’s climate station has recorded two consecutive days of 20C-plus temperatures in its history.

Quote
... "Our models for the rest of the summer are saying, 'Get used to it."'

In Alert's case, the source of the Arctic beach weather is a large current of air that somehow found its way north from the U.S. southeast, Phillips said.

It could be related to changes in the jet stream, a fast-moving, high-altitude river of air that moves west to east. That current has slowed in recent years and has become more unstable, sometimes looping much farther north or south than normal.
Title: Re: Heatwaves
Post by: philopek on July 18, 2019, 06:01:27 PM
And now imagines what kind of temperatures we would see once there will be close to zero ice left in summer.

Next we can assume that those temperatures would occur more widely spread around above the arctic circle.

Next we translate the results of such considerations into water temperatures and the related
effects to the freezing season as well as local and hemisphere weather.

And now what would be the take of those who "deny" a game change after a BOE that would occur in August or earlier.

I know there is a thread for this but > 20C in Alert over several days and not that far below over weeks are significant events, kind of warning foreboding events IMO.

The ultimate event and one that can neither be prevented nor worked around nor resolved will be a relatively fast SLR, IMO that will accelerate and be quicker than most current predictions imply.
Title: Re: Heatwaves
Post by: Archimid on July 19, 2019, 12:47:17 PM
That's too scary to talk about.

I've been trying to post for the past few days but I simply don't have the heart/cojones/guts to do it. I keep avoiding it instead.

Climate change risk denial must be such bliss.
Title: Re: Heatwaves
Post by: dbarce on July 19, 2019, 01:01:16 PM
New heatwave incoming in Europe:

http://www.severe-weather.eu/mcd/heat-wave-a-new-significant-heat-wave-with-peak-temperatures-35-40-c-is-becoming-increasingly-likely-next-week-july-22-28th-2019/
Title: Re: Heatwaves
Post by: DrTskoul on July 19, 2019, 01:03:16 PM
That's too scary to talk about.

I've been trying to post for the past few days but I simply don't have the heart/cojones/guts to do it. I keep avoiding it instead.

Climate change risk denial must be such bliss.

Ignorance is always bliss...
Title: Re: Heatwaves
Post by: be cause on July 19, 2019, 01:19:30 PM
thankfully bliss is not always ignorance .. :)  b.c.
Title: Re: Heatwaves
Post by: DrTskoul on July 19, 2019, 01:23:05 PM
thankfully bliss is not always ignorance .. :)  b.c.

Touché.. ;D 8)
Title: Re: Heatwaves
Post by: philopek on July 19, 2019, 05:38:16 PM
That's too scary to talk about.

I've been trying to post for the past few days but I simply don't have the heart/cojones/guts to do it. I keep avoiding it instead.

Climate change risk denial must be such bliss.

Ignorance is always bliss...

But only for the ignorant themselves. For the vast majority it usually end in an eternal sequence of disasters with varying gaps between major events and for the approximate 2% of those who fully understand and draw the big pictures it is, in additions, a painful annoyance.
Title: Re: Heatwaves
Post by: gerontocrat on July 19, 2019, 05:48:39 PM
But not a record breaker..... (But in a few years might last a long, long time)

From Forbes.com  from the US National Weather Service...

Topline: An excessive and potentially dangerous heatwave is expected to grip much of the Midwest and East Coast on Thursday and through much of the weekend, with temperatures and humidity expected to reach record-highs and well into the triple digits.

The National Weather Service has issued an Excessive Heat Warning—the most serious heat-related alert—for several areas on Thursday. And even more are under a less serious Heat Advisory.

Excessive Heat Warnings are given when the heat index (the combined temperature and humidity, or the “feels like” temperature) is forecasted to reach 105 degrees Fahrenheit or higher. Additionally, low temperatures during the night are expected to reach record highs.
Heat killed more people last year than any other type of extreme weather, according to the NWS.

Kansas City: Kansas City, along with northwestern Missouri and northeastern Kansas, is currently under an Excessive Heat Warning, which will continue until 8 p.m. Saturday.

New York City: An Excessive Heat Warning will be in effect from noon on Friday to 8 p.m. Sunday.

Oklahoma City: An Excessive Heat Warning is currently in effect until 8 p.m. Wednesday. A Heat Advisory will be in effect from 11 a.m. to 8 p.m. Friday.

Chicago: The city of Chicago and all of DuPage, Cook and Kane Counties will be under an  Excessive Heat Warning from 10 a.m. Friday to 7 p.m. Saturday.

Louisville: Louisville and parts of central Kentucky are currently under an Excessive Heat Warning until 7 p.m. Sunday.

Detroit: Detroit is currently under an Excessive Heat Warning and will remain so until 8 p.m. Saturday.

Boston: The city of Boston and the entire state of Massachusetts will be under an Excessive Heat Warning from noon Friday to 8 p.m. Sunday.

Washington, D.C.: The Washington, D.C. region will be under a Heat Advisory from 11 a.m. to 9 p.m. Friday. The alert will be pushed up to an Excessive Heat Watch from Saturday morning to Sunday evening.

Central Pennsylvania: The region will be under an Excessive Heat Warning starting noon Thursday to 8 p.m. Saturday.

Philadelphia: Philadelphia is currently under an Excessive Heat Warning and will be until 10 p.m. Sunday.

Atlantic City: An Excessive Heat Warning has been issued for western, central and southern parts of New Jersey from noon Friday to 10 p.m. Sunday.

Delaware: The entire state of Delaware and nearby Ocean City, Maryland, will be under an Excessive Heat Warning from noon Friday to 10 p.m. Sunday.

Cedar Rapids, Iowa: All of eastern Iowa is under an Excessive Heat Warning until 7 p.m. Saturday.

Lincoln, Nebraska: Eastern and southern Nebraska are under an Excessive Heat Warning until 7 p.m. Saturday.
Title: Re: Heatwaves
Post by: Shared Humanity on July 19, 2019, 07:59:06 PM
Last night was the most oppressively uncomfortable weather in Chicago that I can ever recall in my 63 years.
Title: Re: Heatwaves
Post by: Tor Bejnar on July 19, 2019, 10:02:46 PM
Sorry to hear that, both for your sake and the well-being of millions of mid-westerners.
Title: Re: Heatwaves
Post by: vox_mundi on July 20, 2019, 04:23:59 AM
State of Emergency Declared in Wisconsin After Electrical Fires
https://www.cbsnews.com/amp/news/madison-wisconsin-substation-fires-governor-tony-evers-declares-state-of-emergency-today-2019-07-19/

Wisconsin Governor Tony Evers declared a state of emergency and called in the National Guard on Friday after two fires and explosions at electric substations. The city's utility, Madison Gas & Electric, said the fires had been contained but there were still some customers without power Friday night.

... An executive order issued by Evers said the declaration was issued to "provide support during the large power outage that is exacerbated by the extreme heat wave affecting the area," CBS Madison affiliate WISC reported. The heat index value for Madison means temperatures felt like 103 degrees on Friday.
Title: Re: Heatwaves
Post by: bligh8 on July 20, 2019, 03:27:42 PM
Last night was the most oppressively uncomfortable weather in Chicago that I can ever recall in my 63 years.

Right now it's it 95F with a heat index of 105F(40,5C) and climbing, uncomfortable it is.  63yrs hu .. A lite hearted philosophical remark if I may: Life is like roll of toilet paper, the closer to the end you get the faster it goes!  ;)
Title: Re: Heatwaves
Post by: nanning on July 20, 2019, 06:08:37 PM
I wish for the affected USA forum members to be okay and luckily it seems like the worst is over if my information is correct.
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 20, 2019, 06:14:15 PM
Heat waves already getting worse:
https://www.nytimes.com/2019/07/18/climate/heatwave-climate-change.html
Title: Re: Heatwaves
Post by: vox_mundi on July 20, 2019, 06:14:32 PM
It hasn't even begun.

I've got another 36 hrs of heat index north of 100 F.  I am not amused.

Appreciate the kind thought, though.  :)

Currently: 98 F - FEELS LIKE 121° - 61% Humidity according to Wunderground.com

https://www.wunderground.com/weather/us/ct/myrtle-beach/KCTMYRTL2

@ 1:30 local time 102°F - FEELS LIKE 144°  :P
Title: Re: Heatwaves
Post by: dnem on July 20, 2019, 06:14:58 PM
Thanks Nanning. No, peaking here (US mid-atlantic) this weekend.  Temps around 38 (100 F) and heat index around 43.
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 20, 2019, 06:17:47 PM
Map shows how hot you will get in mid-century:
https://www.fastcompany.com/90378121/this-map-shows-how-hot-youre-going-to-get-without-climate-action
Title: Re: Heatwaves
Post by: vox_mundi on July 21, 2019, 01:23:30 AM
(https://pbs.twimg.com/media/D_8-jzxXkAAch1O?format=png&name=small)

These were the 5pm EDT Saturday heat index readings across the lower 48. Some relief is on the way Sunday for much of the Central States but the East will see another day of excessive heat.

https://mobile.twitter.com/NWS/status/1152708819291688960

https://www.cbsnews.com/amp/live-news/heat-wave-2019-extreme-heat-advisory-warning-deaths-latest-weather-forecast-us-nyc-2019-07-20/

At least six deaths were blamed on the excessive heat: 4 people died in Maryland, while one died in Arizona and another died in Arkansas.

Baltimore logged a heat index of 122 degrees early Saturday evening. The city is one of a handful of locations experiencing a heat index in the triple digits, including cities in the Midwest and East Coast.

... After heat indexes in parts of Minnesota made temperatures feel as hot as 116 degrees, the area is under a severe thunderstorm and flash flood warning on Saturday.

A compact cluster of thunderstorms are tracking due east across central Minnesota from late Saturday morning through the afternoon, CBS Minnesota reported. This line of storms could pack near-hurricane-force winds.

... The National Weather Service has issued an "excessive heat warning" for most of southern New England on Saturday, expecting heat indexes near 110.

Central Maine, meanwhile, experienced blackouts Saturday.

... Police in Braintree, Massachusetts, are asking residents "to hold off" all criminal activity until the extreme heat is over.

"Folks. Due to the extreme heat, we are asking anyone thinking of doing criminal activity to hold off until Monday," the department wrote in a Facebook post. "It is straight up hot as soccer balls out there. Conducting criminal activity, in this extreme heat is next level henchmen status, and also very dangerous."

"Stay home, blast the AC, binge 'Stranger Things' Season 3, play with the face app, practice karate in your basement We will all meet again on Monday when it's cooler.


(https://cdn.cnn.com/cnnnext/dam/assets/190720163822-braintree-police-department-heat-wave-facebook-super-169.jpg)
Title: Re: Heatwaves
Post by: bbr2314 on July 22, 2019, 07:42:42 AM
This is the most extreme forecast for Paris or any major European capital I think I can ever recall.

The all-time high in Paris was 104.7F / 40.4C set on July 28th, 1947.
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 22, 2019, 10:51:52 AM
Looks like a lot of monthly and all time records could fall across western Europe in the coming week.
In the UK, many models are predicting temperatures of about 37C in the south east on Wednesday and Thursday, with a few models creeping close to 40C.
This is quite extraordinary, considering the July record is 36.7C from 2015 and the all time record is 38.5C from August 2003.

(https://amz.nwstatic.co.uk/monthly_2019_07/YUCK.png.1f7b29100c68c8cb0c229de91c01019a.png)
Title: Re: Heatwaves
Post by: Niall Dollard on July 22, 2019, 12:03:52 PM
Looks like a lot of monthly and all time records could fall across western Europe in the coming week.
In the UK, many models are predicting temperatures of about 37C in the south east on Wednesday and Thursday, with a few models creeping close to 40C.
This is quite extraordinary, considering the July record is 36.7C from 2015 and the all time record is 38.5C from August 2003.


I reckon it will be the Benelux countries that will set new all time records this week.
Title: Re: Heatwaves
Post by: kassy on July 22, 2019, 02:59:08 PM
re 244. Paris

That makes no sense in C and is not that impressive in F (19,4 C).

It is now 31 C or 87 F in Paris.
Title: Re: Heatwaves
Post by: vox_mundi on July 22, 2019, 03:14:02 PM
Kassy, look at the bottom of the forecast for the projected temperature on Thurs of this week.

Hopefully you will have an epiphany.
Title: Re: Heatwaves
Post by: kassy on July 22, 2019, 03:36:08 PM
Ah right 42,2. Thx.

Title: Re: Heatwaves
Post by: Tom_Mazanec on July 22, 2019, 05:31:43 PM
Heatwaves increase CO2 emissions:
https://www.eenews.net/stories/1060758177
and they will become the new normal:
https://www.theguardian.com/us-news/2019/jul/19/heat-warnings-us-temperatures-climate-crisis?platform=hootsuite
Title: Re: Heatwaves
Post by: vox_mundi on July 22, 2019, 05:50:59 PM
French Wine Production Hit by Heatwave
https://phys.org/news/2019-07-french-wine-production-heatwave.html

Wine production in France this year will be down by between six and 13 percent over 2018, notably because of the ongoing heatwave, the agriculture ministry said Saturday.

That and other factors meant that production should be between 42.8 and 46.4 million hectolitres—the lowest figures in the last five years, said the ministry, based on estimates drawn up on July 12.

Unfavourable weather conditions hit the flowering of the vine, particularly in the western wine regions of France, such as Val de Loire, Charente, Bordelais the wines of the southwest.

In southern France, the heatwave broke records, with temperatures in some places as high as 46 degrees Celsius (115 degrees Fahrenheit).

The heat damage meant lost production in three regions: the Gard, Herault and Var, the ministry added.

Hailstorms also affected some vines but they did less damage nationally.

Another heatwave has been forecast for most of France in the coming week.

(https://vignette.wikia.nocookie.net/memoryalpha/images/a/a8/Chateau_Picard.jpg/revision/latest?cb=20050112195729&path-prefix=en)
At this rate the good captain won't have a vineyard by 2267
Title: Re: Heatwaves
Post by: bbr2314 on July 23, 2019, 08:38:56 AM
Paris is now forecast to hit 109F. WOW.
Title: Re: Heatwaves
Post by: vox_mundi on July 23, 2019, 09:23:29 AM
(https://desdemonadespair.net/wp-content/uploads/2019/07/Predicted-temperature-anomaly-over-Europe-for-26-July-2019-MetDesk-WXCHARTS.jpg)
Predicted temperature anomaly over Europe for 26 July 2019. Graphic; MetDesk / WXCHARTS

https://desdemonadespair.net/2019/07/intense-heat-with-near-record-breaking-temperatures-will-develop-across-benelux-w-germany-and-n-france-this-week-23-26-july-2019-temperatures-above-40c-locally-possible.html

https://desdemonadespair.net/2019/07/germany-braces-for-fourth-heatwave-of-summer-that-is-not-normal-anymore-its-everything-other-than-normal.html

https://desdemonadespair.net/2019/07/u-s-farmers-now-face-extreme-heat-wave-after-floods-and-trade-war-weve-never-seen-a-year-like-this.html
Title: Re: Heatwaves
Post by: TerryM on July 23, 2019, 11:51:22 AM
This would be an excellent time to flee to a cooler climate for a vacation. People without access to a reliable AC will die in 40C @ 35% humidity.


Terry
Title: Re: Heatwaves
Post by: pleun on July 23, 2019, 12:02:38 PM
Indeed, I didn't realize we were so close to a wet bulb temp of 37C ...

edit : sorry, miscalculated. it's more like 27C
Title: Re: Heatwaves
Post by: philopek on July 23, 2019, 01:54:24 PM
This would be an excellent time to flee to a cooler climate for a vacation. People without access to a reliable AC will die in 40C @ 35% humidity.


Terry

One of the rare occasions where I can't agree with you. 40C @ 35% is bone dry heat and I've seen and experience that many times over decades.

It's not that pleasant, i agree, but it's not a death sentence and those who die in such conditions certainly have another cause of death noted after their demise, heat, cold, air-pressure or any other extreme change in weather can be a trigger for something imminent at best.

(still talking 40C@ 35%)

Attached you find an image from the "Gulf" that shows huge areas with 40-48C and humidity between 30-45% and as we all know, people were living there before AC existed and whenever I've visited that region the streets were populated and back in the 70ies cars didn't even have AC, at least very few of those old "Peugeots" and "Renaults" did have AC back then.
Title: Re: Heatwaves
Post by: DrTskoul on July 23, 2019, 01:58:53 PM
It has to be 85% relative humidity at sea level at 40C for the wet bulb to be 37C

edit: Yeah ...37C not 47C....
Title: Re: Heatwaves
Post by: RikW on July 23, 2019, 02:03:05 PM
This would be an excellent time to flee to a cooler climate for a vacation. People without access to a reliable AC will die in 40C @ 35% humidity.


Terry

airco @work broke couple of weeks ago and today isn't extremely hot yet :(
Title: Re: Heatwaves
Post by: dnem on July 23, 2019, 02:22:17 PM
It has to be 85% relative humidity at sea level at 40C for the wet bulb to be 47C

37C?
Title: Re: Heatwaves
Post by: Tunnelforce9 on July 23, 2019, 02:30:56 PM
Quote from: Philopek
Attached you find an image from the "Gulf" that shows huge areas with 40-48C

One of the reasons why there's far more violence in those countries..

https://phys.org/news/2017-09-violent-crime-warmer-weather-season.html
Title: Re: Heatwaves
Post by: vox_mundi on July 23, 2019, 02:46:12 PM
(https://isaacscienceblog.files.wordpress.com/2017/11/heat_index_chart.png?w=640)

(https://www.weather.gov/images/okx/heatindex.PNG)
Title: Re: Heatwaves
Post by: TerryM on July 23, 2019, 03:58:04 PM
40C @ 35% won't kill healthy people that are properly hydrated. Not everyone is healthy, not everyone is hydrated, and some fools will be out there doing very heavy work.
Terry
Title: Re: Heatwaves
Post by: liefde on July 23, 2019, 04:09:48 PM
Exciting to see if ARPEGE is correct about Thursday. If so, it will mean the 40℃ barrier will be broken for BeNeLux. It's not that records have never been broken before, but the records have always clearly been outliers, these aren't outliers anymore. No real surprise, to be honest, with earth's surface accumulating 4 Hiroshima atomic bombs worth of heat every second. Energy going in, not out into space, thanks to the growing blanket of CO2, H2O, CH4, CFCs and N2O.
Title: Re: Heatwaves
Post by: Sigmetnow on July 23, 2019, 06:44:04 PM
Europe Faces Another Record-Setting Heat Wave This Week
Quote
Last month was the hottest June on record, riding on the back of a heat wave that saw France set an all-time high-temperature record as well as June records for the Czech Republic, Slovakia, Austria, Andorra, Luxembourg, Poland, and Germany. While the heat wave arriving this week isn’t forecast to be quite as fierce, it still has record-setting potential for major cities in Europe and could ensure July goes down as the hottest month the world has ever recorded.

The July heat wave will be caused by a near-identical pattern to the one that drove June’s extreme heat. Low pressure will stall over the North Atlantic, funneling the jet stream into a big swing over the UK and northern Europe. That will cut the region off from cooler Arctic air while allowing hot, dry air from the south to come rushing over the continent. The result will be temperatures rising over the course of the week and spiking on Wednesday and Thursday anywhere from 10-15 degrees Celsius (18-27 degrees Fahrenheit) above normal.

France, Spain, and Portugal—all of which were broiled by the last heat wave—are likely to see the mercury rise past 40 degrees Celsius (104 degrees Fahrenheit). That includes Paris, where the all-time high-temperature record of 40.4 degrees Celsius (104.7 degrees Fahrenheit) was set in 1947, according to AFP.
https://earther.gizmodo.com/europe-faces-another-record-setting-heat-wave-this-week-1836604668
Title: Re: Heatwaves
Post by: Shared Humanity on July 23, 2019, 10:29:56 PM
This would be an excellent time to flee to a cooler climate for a vacation. People without access to a reliable AC will die in 40C @ 35% humidity.


Terry

Son and I are heading to Washington Island in Door County, Wisconsin in early September.
Title: Re: Heatwaves
Post by: Shared Humanity on July 23, 2019, 10:33:55 PM
(https://isaacscienceblog.files.wordpress.com/2017/11/heat_index_chart.png?w=640)

(https://www.weather.gov/images/okx/heatindex.PNG)

This chart explains why I felt like shit last Thursday. It was 35C with 80% humidity.
Title: Re: Heatwaves
Post by: philopek on July 23, 2019, 10:58:16 PM
(https://isaacscienceblog.files.wordpress.com/2017/11/heat_index_chart.png?w=640)

(https://www.weather.gov/images/okx/heatindex.PNG)

This chart explains why I felt like shit last Thursday. It was 35C with 80% humidity.

Sounds like Thailand in Summer while they see even higher percentages.

Horrible for me as well while my dad never had issues with such conditions, but most of us ccertainly do.
Title: Re: Heatwaves
Post by: wili on July 24, 2019, 01:56:15 AM
Note where the numbers end in vox's charts. That's where wetbulb temperatures have never been recorded. But that is where more and more of the world is headed.

Meanwhile, my daughter just decided to travel from relatively cool Netherlands to Paris for the next couple days, where temperatures are predicted to reach and even exceed 40C.

How are things looking wherever you are now?

eta: Emphasis on 'relatively' in the above!

https://weather.com/safety/heat/news/2019-07-22-europe-heat-wave-forecast-france-germany-netherlands-belgium

Another Europe Heat Wave May Shatter All-Time Records in Paris, U.K., Belgium and The Netherlands

I hope all our European friends in these areas are able to stay safe and tolerably cool!
   
Title: Re: Heatwaves
Post by: nanning on July 24, 2019, 06:54:03 AM
Thank you wili. I'm fine, living 30km from the sea on Netherlands' north coast and here the extremes are not as high. Here are the stats of July for Leeuwarden: https://weerstatistieken.nl/leeuwarden/2019/juli (https://weerstatistieken.nl/leeuwarden/2019/juli). Not much of a heatwave.

I want to echo your wishes to people who are not so lucky.
Title: Re: Heatwaves
Post by: grixm on July 24, 2019, 08:38:23 AM
We're looking at potential records here in Scandinavia too. In Bergen, western Norway, it is currently forecast to reach 34 C on Friday. That would smash the previous all-time record of around 32C (which was set just last year).
Title: Re: Heatwaves
Post by: Alexander555 on July 24, 2019, 12:02:23 PM
Over hear near Brussels, the all time record for any month will be broken with almost 2 degree C . If the oceans absorb most heat, than it's probably not a strange thing to happen. The influence of the gulf stream is pretty big.
Title: Re: Heatwaves
Post by: TerryM on July 24, 2019, 01:47:49 PM
Is anyone aware of where I might find wet bulb temperatures as part of weather forecasts for various regions?
Thanks in advance :)
Terry
Title: Re: Heatwaves
Post by: pleun on July 24, 2019, 02:02:41 PM
here's a french site that has a 3 day forecast :

https://meteologix.com/fr/model-charts/sui-hd/france/wet-bulb-temperature/20190724-1300z.html

I have not checked it out tho.
Title: Re: Heatwaves
Post by: vox_mundi on July 24, 2019, 02:23:30 PM
Is anyone aware of where I might find wet bulb temperatures as part of weather forecasts for various regions?
Thanks in advance :)
Terry
Terry, Wunderground.com lists the heat index (wet bulb temp) in all their local forecasts.

Here's one for Toronto

https://www.wunderground.com/weather/ca/toronto/43.65%2C-79.39

It's listed as the 'Feel's Like' temperature.
Title: Re: Heatwaves
Post by: TerryM on July 24, 2019, 03:28:27 PM
pleun
Thanks so much for the link!


vox
I've never trusted heat index to equate with wet bulb. I think they include things such as wind velocity, but I'm not sure.
I'll compare the French site's "wet bulb" with Wunderground's "feels like" temperatures.


I can post my findings here if you'd like.


Thanks again to both of you!
Terry
Title: Re: Heatwaves
Post by: kassy on July 24, 2019, 03:50:11 PM
Wili we hit 39,1 in NL today so if she is sensible the difference is not too big. Just go to the modern art museum or something.

https://www.nu.nl/binnenland/5969673/hoogste-temperatuur-ooit-in-nederland-391-graden-gemeten-in-gilze-rijen.html

Title: Re: Heatwaves
Post by: dnem on July 24, 2019, 04:00:18 PM
There are various wet bulb calculators on the web, e.g.:
https://www.weather.gov/epz/wxcalc_rh
Title: Re: Heatwaves
Post by: pleun on July 24, 2019, 04:31:46 PM
vox
I've never trusted heat index to equate with wet bulb. I think they include things such as wind velocity, but I'm not sure.
I'll compare the French site's "wet bulb" with Wunderground's "feels like" temperatures.

there's also a WBGT (wet bulb globe temp). this also takes more factors into account. see:

https://en.wikipedia.org/wiki/Wet-bulb_globe_temperature


Title: Re: Heatwaves
Post by: RikW on July 24, 2019, 04:42:03 PM
I found a calculator online: https://www.weather.gov/epz/wxcalc_rh

I doubt if it is really wet bulb temperature, I did 2 calculations based on dutch weatherstations: https://knmi.nl/nederland-nu/weer/waarnemingen

It feels too high considering the relative humidity which isn't that high


Title: Re: Heatwaves
Post by: pleun on July 24, 2019, 04:54:08 PM
lol. you set the pressure at 1013 inches. exactly the same way I fucked up a few posts up.
you have to select the rightmost circle for mbar
Title: Re: Heatwaves
Post by: vox_mundi on July 24, 2019, 05:10:16 PM
Heat Index and Adjusted Temperature as Surrogates for Wet Bulb Globe Temperature
https://www.tandfonline.com/doi/abs/10.1080/15459624.2014.989365?journalCode=uoeh20

A relationship between Heat Index [°F] and Wet Bulb Globe Temperature (WBGT) [°C] is described by WBGT = −0.0034 HI2 + 0.96 HI – 34

Relationship between WBGT vs WBT

(https://wikimedia.org/api/rest_v1/media/math/render/svg/70e20a98a7d99333fbaa2e2cbd0c1f7b000c15e9)

where

Tw = Natural wet-bulb temperature (combined with dry-bulb temperature indicates humidity)
Tg = Globe thermometer temperature (measured with a globe thermometer, also known as a black globe thermometer)
Td = Dry-bulb temperature (actual air temperature)
Temperatures may be in either Celsius or Fahrenheit
Title: Re: Heatwaves
Post by: vox_mundi on July 24, 2019, 05:24:39 PM
Washington's Potomac River Hits Record High Temperature
https://phys.org/news/2019-07-washington-potomac-river-high-temperature.html

The Potomac River, which flows through the US capital Washington, hit a record high temperature of 94 degrees Fahrenheit (34 degrees Celsius) over the weekend—as warm as bathwater—following a major heat wave.

The previous highs came in the summers of 2011 and 2012, though record keeping began only in 2007.

On Sunday, the temperature exceeded previous records by half a degree Fahrenheit near the Little Falls rapids, upstream from the US capital, peaking at 93.7 degrees Fahrenheit at four feet (1.2 meters) from the shore, halfway between the surface and the bottom, according to the US Geological Survey.

(https://i.guim.co.uk/img/static/sys-images/Environment/Pix/columnists/2013/9/13/1379071935264/Blobfish-voted-worlds-ugl-008.jpg?width=300&quality=85&auto=format&fit=max&s=5e6f060cd923127a400b9d2e559c22b8)
Fish are not happy  :(

------------------------------

Trains Slowed Down as Temperature Records Tumble in Europe
https://phys.org/news/2019-07-temperature-europe.html

The operator of the British rail network, Network Rail, said it was slowing down trains in response to the extreme weather, which comes only weeks after another record-breaking heatwave in Europe in June.

"Extreme heat can cause overhead wires to sag and become damaged by fast trains. We slow down services to keep passengers safe when this happens," the company said on Twitter.

(https://forum.arctic-sea-ice.net/proxy.php?request=http%3A%2F%2Fwww.digitaljournal.com%2Fimg%2F1%2F0%2F4%2F8%2F0%2F9%2F3%2Fi%2F4%2F3%2F3%2Fp-large%2F60d94323733479ee86b4a2c4b3c217596341476a.jpg&hash=6d517e01441c4ee0052ea8900d359c9a)

Water restrictions are in place in 73 out of 96 departments in mainland France, with the worst affected areas in the Loire area of central France, as well as the south west and the south east.

The second heatwave in two months has amplified concerns in Europe that human activity is heating the planet at a dangerous rate.

The June 26-28 heatwave in France was four degrees Celsius (7.2 Fahrenheit) hotter than an equally rare June heatwave would have been in 1900, the World Weather Attribution (WWA) team said this month.

One study by the Swiss Federal Institute of Technology said the deadly, weeks-long heatwave across northern Europe in 2018 would have been statistically impossible without climate change.
Title: Re: Heatwaves
Post by: TerryM on July 24, 2019, 06:31:30 PM
lol. you set the pressure at 1013 inches. exactly the same way I fucked up a few posts up.
you have to select the rightmost circle for mbar


With a reasonable pressure setting (say 1,000 mm) the calculator seems accurate.
45C @ 49% humidity = 35C wet bulb - and probably a death sentence to anyone their to sling their hydrometer. :P


Terry
Title: Re: Heatwaves
Post by: bbr2314 on July 24, 2019, 06:49:46 PM
Looks like Paris hit at least 102F today.
Title: Re: Heatwaves
Post by: nanning on July 24, 2019, 07:09:54 PM
Beat The Heat With Zero Breeze Outdoor Air Conditioner (https://qcostarica.com/beat-the-heat-with-zero-breeze-outdoor-air-conditioner/)
Title: Re: Heatwaves
Post by: pleun on July 24, 2019, 07:14:27 PM
Looks like Paris hit at least 102F today.

how much is that in proper degrees ?
Title: Re: Heatwaves
Post by: Rich on July 24, 2019, 07:43:50 PM
Looks like Paris hit at least 102F today.

Tomorrow is peak day.
Title: Re: Heatwaves
Post by: Tor Bejnar on July 24, 2019, 08:13:44 PM
Well, let's see:
Take 102ºF
Subtract 32
Get 70
Add 1.1 for every 10  [actually 1.111111, but this is mental arithmetic, not maths, and the "102" is probably not "102.0"]
Get 77.7
Half of that
Ah:  38.85  so round to 39ºC 

A calculator says 38.89ºC, but that's no fun.  [but it rounds to 39ºC too]

PS: It is easier to convert C to F (and exact):
Start with 39
Double it: 78
Subtract 1 for every 10: 70.2
Add 32:  102.2
Calculator says 102.2 (always the same)
Title: Re: Heatwaves
Post by: pleun on July 24, 2019, 08:31:26 PM
Wow,  and people have to go through that each time they  want to know how warm it is outside?

That's amazing!
Title: Re: Heatwaves
Post by: philopek on July 24, 2019, 09:38:10 PM
Wow,  and people have to go through that each time they  want to know how warm it is outside?

That's amazing!

Your sentence was incomplete, it should end: ......outside the U.S. of A.
Title: Re: Heatwaves
Post by: Stephan on July 24, 2019, 10:32:38 PM
Record breaking temperatures in Germany, as forecasted.
The attached list shows all stations with T ≥ 39.4°C from wetterstationen.meteomedia.de. Most of them are located in the western part of Nordrhein-Westfalen, some in Rheinland-Pfalz and one in Saarland.
Please note that the station Brauneberg-Juffer is located in a wineyard on a southern slope, so it should be excluded. The "winner" is therefore Geilenkirchen, which exceeded the latest record (40.3°C, 2015) by 0.2°C.
New record highs can be expected tomorrow...
Title: Re: Heatwaves
Post by: Phil42 on July 24, 2019, 11:22:05 PM
To summarize this quite historic day for Central European temperature data, I try to make a short list of records I saw in media (good possibility that i missed out some):

Belgium - All time record broken
40.2C in Luik
Old record was 38.8C set in June 1947

Netherlands - All time record broken
39.3C in Eindhoven
Old record was 38.6C set in August 1944

Germany - All time record broken
40.5C in Geilenkirchen
Old record was 40.3C set in July 2015

France - City record broken
Bordeaux with 41.2C (Tuesday)

Switzerland - City records broken
Sion with 38C
Neuchâtel with 37.9C
Aarau with 37C
Scuol with 33.8C
Moléson (mountain station) with 26.4C

Note 1: Tomorrow more records will probably be set (candidates are BeNeLux, UK, France, Germany).

Note 2: In the heatwave some weeks ago, June records have already been broken this year in the Czech Republic, Slovakia, Austria, Andorra, Luxembourg, Poland, Germany and Earth as a whole.

Edited BE and NL records according to the posts made by kassy and Alexander, thanks.
Title: Re: Heatwaves
Post by: vox_mundi on July 25, 2019, 08:12:11 AM
(https://desdemonadespair.net/wp-content/uploads/2019/07/Forecast-high-temperature-departures-from-average-for-the-European-heat-wave-through-Saturday-27-July-2019-The-Weather-Channel.gif)

The Arctic is toast next week
Title: Re: Heatwaves
Post by: kassy on July 25, 2019, 08:57:40 AM
Yes that´ll be a week of interesting times.  :(

re 422: Netherlands record was 39,3 C in Eindhoven at the end of the day

https://www.nu.nl/binnenland/5969673/hoogste-temperatuur-ooit-in-nederland-393-graden-gemeten-in-eindhoven.html
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 25, 2019, 11:20:32 AM
Today is the big day for records in western Europe. Temperatures already above 30C across much of Belgium, Netherlands, south east England and mid 30s around Paris.
Title: Re: Heatwaves
Post by: Alexander555 on July 25, 2019, 11:26:54 AM
In Kleine Brogel it was 39,9 yesterday, and probably a little more today.
Title: Re: Heatwaves
Post by: Alexander555 on July 25, 2019, 01:01:42 PM
And the highest temperature yesterday was 40,2, in the station in Luik.
Title: Re: Heatwaves
Post by: DrTskoul on July 25, 2019, 01:20:20 PM
Rather toasty for northern Europeans
Title: Re: Heatwaves
Post by: Rich on July 25, 2019, 02:06:38 PM
A zoo in Belgium is feeding frozen chicken to it's tigers.
Title: Re: Heatwaves
Post by: DrTskoul on July 25, 2019, 02:32:13 PM
Chick-icles
Title: Re: Heatwaves
Post by: Rich on July 25, 2019, 02:38:20 PM
CNN has reported that Paris has reached 41C. A new record. Still perhaps another hour or so to push it a little further.
Title: Re: Heatwaves
Post by: pleun on July 25, 2019, 02:39:05 PM
almost 43C  now in the middle of holland ! allthough i get the feeling that the sensor might have melted...

Title: Re: Heatwaves
Post by: Rich on July 25, 2019, 02:48:44 PM
almost 43C  now in the middle of holland ! allthough i get the feeling that the sensor might have melted...

Holland and the Netherlands are often confused with each other.

North and South Holland are Dutch provinces, nowhere near that high temp reading. I believe that is Brabant or Limburg.
Title: Re: Heatwaves
Post by: pleun on July 25, 2019, 02:59:29 PM
ah, thanks for the heads up
Title: Re: Heatwaves
Post by: RikW on July 25, 2019, 03:06:30 PM
It's confirmed it's a broken sensor, it's in the province Gelderland and we still have broken the old record (yesterday's...) with 39.7 and I think temperatures can still rise next hours, so still possible to reach 40degree+
Title: Re: Heatwaves
Post by: Stephan on July 25, 2019, 03:46:57 PM
New records falling - allover Western Germany and BeNeLux.
The day is not over - this is just an update.
Lingen (Ems) had 40.9 today so far. It is the station with "41" in the graph. Hottest ever recorded T in Germany since the 1840s.
Life in the city (we have 39.7°C at the moment) has almost stopped.
And our Western neighbours (France, Belgique/België, Lëtzebuerg and Nederland) suffer from the same heat wave. Also there new records are more than likely.
I'll keep you updated.
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 25, 2019, 03:52:34 PM
KNMI have confirmed 40C+ in the Netherlands.
https://twitter.com/KNMI/status/1154375695268810752

UK July record has been broken too
https://twitter.com/metoffice/status/1154369428525637632

Plenty of time for more.
Title: Re: Heatwaves
Post by: Rich on July 25, 2019, 03:57:21 PM
Thankful that this heat wave is passing through in  just a few days. A week of this would be .....

Climate change is still just a precocious child. Showing off. The reaction to the Great Acceleration is just beginning to show up. Puberty is going to be a bitch.
Title: Re: Heatwaves
Post by: Alexander555 on July 25, 2019, 04:56:14 PM
The animals are suffering. We have a couple wild rabbits in the forest next to the house. And normaly they run as fast as they can when they see me coming with my bike. And yesterday there was one sitting next to the road. He saw me coming from far. When i was less than one meter from him, he made 2 little jumps. And than he stopped again. And everything from birds to beetles and ants. They try to get into the house or the garage where its cooler.
Title: Re: Heatwaves
Post by: nanning on July 25, 2019, 05:30:46 PM
The animals are suffering.
<snippage>
I'm thinking of the poor horses, cows, sheep etc. outside in the field without a tree or other shade.  :'(
Title: Re: Heatwaves
Post by: Stephan on July 25, 2019, 05:34:11 PM
Update as promised.
The all-time-record from yesterday (40.5°C) has now been beaten by 1.4°C. Lingen (Ems) made it today to 41.9°C. That is incredible. A top 5 list and some further information in the attached picture.
Title: Re: Heatwaves
Post by: Alexander555 on July 25, 2019, 05:34:30 PM
Yesterday a cow jumped into a little river, but she could'nt get out. The fire fighters had to come with a crane to lift her out.
Title: Re: Heatwaves
Post by: Rich on July 25, 2019, 05:45:53 PM
Meteo-France has reported 42.6C in Paris. 2.2C above the old record.

UK hit 38.1C at Cambridge. 2nd highest UK temp all-time. Extinction Rebellion getting some motivation for their next wave of protests.

Title: Re: Heatwaves
Post by: grixm on July 25, 2019, 06:21:07 PM
Now Norway is forecast to break the all-time national record too. Record is currently 35.6C, while at least Voss may reach 37C tomorrow.

https://www.yr.no/en/forecast/daily-table/1-109644/Norway/Hordaland/Voss/Voss
Title: Re: Heatwaves
Post by: bbr2314 on July 25, 2019, 06:39:43 PM
I think the Asian economies are heading towards recession (even if fake China numbers don't show it), and this may have to do with aerosol %s dropping? I can't think of another explanation for Paris beating the 1947 record by 5F.
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 25, 2019, 07:33:41 PM
I think the Asian economies are heading towards recession (even if fake China numbers don't show it), and this may have to do with aerosol %s dropping? I can't think of another explanation for Paris beating the 1947 record by 5F.


The Met Office did an interesting live video today discussing the current heatwave, the dynamics and the role of climate change.

https://youtu.be/VkTpMCp0avk

At about 16 mins in they mention that northern Africa has warmed about 2C over the last century, and this is where the air for the heatwave is originating, hence the ability to smash records.
Title: Re: Heatwaves
Post by: DrTskoul on July 25, 2019, 07:35:38 PM
I think the Asian economies are heading towards recession (even if fake China numbers don't show it), and this may have to do with aerosol %s dropping? I can't think of another explanation for Paris beating the 1947 record by 5F.


The Met Office did an interesting live video today discussing the current heatwave, the dynamics and the role of climate change.

https://youtu.be/VkTpMCp0avk

At about 16 mins in they mention that northern Africa has warmed about 2C over the last century, and this is where the air for the heatwave is originating, hence the ability to smash records.

2C here 2C there, mix in some urbanization and stuck weather patterns and you have a hot hot soup of consequences...
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 25, 2019, 08:00:10 PM
Some records for the day

https://twitter.com/metoffice/status/1154448787932233728

The #heatwave across Europe meant Germany (42.6 °C), the Netherlands (40.7 °C) and Belgium (40.6 °C) had their highest temperatures on record today.

Several sites including Paris, Edinburgh, Cambridge and Writtle also recorded their highest ever temperatures

(https://pbs.twimg.com/media/EAVtDKCX4AESJsB.jpg)

(https://pbs.twimg.com/media/EAVtDKEWkAE6yVO.jpg)
Title: Re: Heatwaves
Post by: werther on July 25, 2019, 08:56:27 PM
I was in office all day. Lucky enough. Coming out late afternoon, felt like Lisboa or Greece. Incredible. Tomorrow, third day in a row.
Title: Re: Heatwaves
Post by: kassy on July 25, 2019, 08:59:39 PM
I think the Asian economies are heading towards recession (even if fake China numbers don't show it), and this may have to do with aerosol %s dropping? I can't think of another explanation for Paris beating the 1947 record by 5F.

It is hot african air so this might just be the planets actual response?
Title: Re: Heatwaves
Post by: bbr2314 on July 25, 2019, 09:06:01 PM
I think the Asian economies are heading towards recession (even if fake China numbers don't show it), and this may have to do with aerosol %s dropping? I can't think of another explanation for Paris beating the 1947 record by 5F.

It is hot african air so this might just be the planets actual response?
I know it is originating from Africa, but we have had this happen plenty of times before without this effect. Maybe it is both? Some studies said aerosol impact was undermodeled and if we are now in a recession it would be a plausible partial explanation for why Paris has shattered their all-time high by almost 5 Fahrenheit. That is absurd. !

Also, Northern Africa has actually been fairly cool in recent years, I think the switch happened after 2012.
Title: Re: Heatwaves
Post by: werther on July 25, 2019, 09:27:00 PM
Couple of years ago, I suggested the main scene of change might be the mid-latitudes. It sure feels like that these days.
Yes, heatwaves used to occur on the North Sea shores. Every two or three years. Last year, a brief envelope of what is experienced now, 27th July '18. So hot, on the shores of sea-arm Haringvliet, perspective over the broad water seemed to bulge the surface down in strange sunset light.

Now, this kind of heat is back. Longer, more alarming.

Remember Dr. Francis' work on the Polar jet-stream? I think the consequenses of that pattern progressively reveal themselves. Bringing up warm upper troposphere air pockets from southern spheres, heated by sunlight right here.
The possibility was always there. But circumstances are now so much worse. It was just a matter of time to have these record-smashing waves around.

Let's see now whether this one will be transported by a vicious rossby-wave right into the Arctic...

Because IMHO that's how GAC'12 was ignited from the Pacific side.
Title: Re: Heatwaves
Post by: kassy on July 25, 2019, 09:30:15 PM
I think the switch happened after 2012.

Yes after that.

I think it is all the energy just adding up. Last year was ridiculous but how to guesstimate how much spills over to this year is hard. There should be at least a short time delay for the aerosol pollution drops and it is somewhat local but China to Africa where this air came from is not a standard connection so i think it is more of a system response thing.

Not sure how much residual damage France or Paris had but in the Netherlands we have an ongoing groundwater deficit which is problematic for the higher (eastern) parts of the country. It makes them dryer and also hotter. No idea about the patterns in France but i think this is the combination of our current carbon blanket with thousands of kilometers of landscapes that dont cool like they used to because they already dried out a bit over the recent years.
Title: Re: Heatwaves
Post by: Alexander555 on July 25, 2019, 09:33:36 PM
It was on the news here yesterday. Until 2000 there was a heatwave in Belgium every 4 years, on average. From 2000 on, it changed to one heatwave every 2 years. And now we had a heatwave in the last 4 years. With 2 heatwaves for this and last year. And the summer is not over yet.
Title: Re: Heatwaves
Post by: kassy on July 25, 2019, 09:48:00 PM
Appearing for meteorology or posing as your local Mike Litoris?
Title: Re: Heatwaves
Post by: Stephan on July 25, 2019, 09:54:35 PM
This is my final post for this historical day. The official max temperatures for this July 25, 2019.
In the end 42.6°C was reached in Lingen (Ems). This is 2.1°C warmer than last day's all-time record (which has been broken in a dozen other cities, too, see the number of "41s" on the map) and 2.3°C warmer than the last record in 2015.
Title: Re: Heatwaves
Post by: kassy on July 25, 2019, 10:16:32 PM
https://www.nu.nl/binnenland/5970570/tropisch-warme-nacht-op-komst-na-dag-met-recordhitte.html

40C hit in 5 provinces. Night will not be below 22.

Ook in de buurlanden België (40,7) , Duitsland (41,6) en Frankrijk (42,6) werden recordtemperaturen gemeten.
Title: Re: Heatwaves
Post by: P-maker on July 26, 2019, 12:03:49 AM
So Stephan,

assuming it's neither a local Urban Heat Island effect, nor the local nuclear power plant letting out steam, I wish to thank you for your efforts keeping us up-to-date.

I also noted that Wikipedia for Lingen had already been updated this evening:

Quote
On 25 July 2019, Lingen set the record for the temperature record ever recorded within Germany with a daytime high temperature of 42.6 degrees Celsius (109 degrees Fahrenheit) during a heat wave affecting much of Europe.

I agree, it's time to call it a day.
Title: Re: Heatwaves
Post by: Alexander555 on July 26, 2019, 12:16:27 PM
In Belgium the all time high record is broken by 3 degree C. The station in Begijnendijk touched 41,8 degree C. The not so old record was 38,8 or 38,9 degree C.
Title: Re: Heatwaves
Post by: grixm on July 26, 2019, 03:40:33 PM
Several cities here in Norway, including my own, has broken their all-time records.
But temperatures are starting to plateau, and an all-time national record is still over 2C away. Not too late yet (and temps will stay high for the next 2-3 days) but it's not as likely as yesterday's forecast suggested, anymore.

EDIT: Peaked today 1.4C below national record.
Title: Re: Heatwaves
Post by: BornFromTheVoid on July 26, 2019, 04:42:23 PM
The UK may have broken it's all time record yesterday after all

https://www.metoffice.gov.uk/about-us/press-office/news/weather-and-climate/2019/provisional-hottest-day-on-record
Title: Re: Heatwaves
Post by: vox_mundi on July 26, 2019, 06:22:05 PM
Get Ready for New Forms of Extreme Weather: Hurricanes Followed by Heat Waves
http://www.anthropocenemagazine.org/2019/07/get-ready-for-the-one-two-punch-of-hurricanes-and-heat-waves/
https://phys.org/news/2019-07-deadly-hidden-weather-hazard-potential.html

(https://localtvktvi.files.wordpress.com/2019/07/three-day.jpeg?quality=85&strip=all&w=280&h=158)

New research, led by Loughborough University academics, has found that tropical cyclones followed by deadly heat is an emerging weather threat that could put millions of people at risk as global temperatures continue to rise.

Researchers gathered records of 121 major tropical cyclones that made landfall in the Northwest Pacific, South Indian, and North Atlantic basins between 1979 and 2017. They computed the probability of a cyclone affecting given location on land for each day of the year.

They also used temperature records to compute the probability of locations experiencing a heat index of 40.6 °C (105 °F) for each day of the year. This enabled them to model the likelihood of a heat wave occurring in the 30 days after a storm’s landfall. A 2015 map of global population added the final piece: how many people might be affected by these tropical cyclone-heat events.

Such events can be expected to occur about once a decade, the researchers calculated, and to affect about 400,000 people. In fact, four tropical cyclones were followed by heat waves between 1979 and 2017. But as luck would have it, they all occurred in remote areas of northwest Australia, with only about 1,000 people affected.

And as climate change proceeds, such storms will become more and more likely to be followed by heat waves. For example, with 2 °C of global warming, there’s a greater than 70% chance that a storm like Cyclone Marian would be followed by extreme heat.

Through their analysis, the researchers concluded that if temperatures were sustained at 2°C above pre-industrial levels for 30 years, the number of people affected by this hazard would rise to over 2 million.

For the 1.5°C warming, the figure is 1.2 million and it reaches almost 12 million if the earth's climate were to warm to 4°C above pre-industrial temperatures (and under this scenario, the researchers expect the hazard to be an annual occurrence).

The team say the hazard could impact coastlines around the world that sit close to the equator, including the Gulf of Mexico, the Philippines, the Bay of Bengal (India), and northwest Australia.

If anything, the analysis probably underplays the risk.
That’s because the calculations don’t take into account the fact that tropical cyclones are predicted to happen more often with climate change, nor do they account for future population growth in regions prone to both tropical cyclones and extreme heat. Plus, the heat index tends to be elevated in the days before a tropical storm – meaning evacuations in the path of a coming storm could also become increasingly dangerous.

An emerging tropical cyclone–deadly heat compound hazard (https://www.nature.com/articles/s41558-019-0525-6), Nature Climate Change (2019)

------------------------

Dangerous heatwave to arrive after remnants of Hurricane Barry pass through St. Louis
https://fox2now.com/2019/07/15/dangerous-heatwave-to-arrive-after-remnants-of-hurricane-barry-passes-through-st-louis/
Title: Re: Heatwaves
Post by: Juan C. García on July 27, 2019, 04:52:58 AM
Europe’s heat wave is about to bake the Arctic
Concerns grow regarding sea ice and Greenland’s ice sheet.
By Andrew Freedman
July 26 at 12:12 PM
Quote
On Friday, more temperature records are falling in Europe as the historic heat wave that brought the hottest weather ever recorded in Paris, London, the United Kingdom, Belgium, the Netherlands and Germany shifts northward. In a few days, the weather system responsible for the heat wave will stretch all the way across the top of the globe.

It’s what this system, characterized by a strong area of high pressure aloft — often referred to as a heat dome — will do to the Arctic that has some scientists increasingly concerned.

Norway, Sweden and Finland will experience unusually high temperatures through the weekend, as a potentially record strong area of high pressure in the mid-levels of the atmosphere sets up over the region, blocking any cold fronts or other storm systems from moving into the area, like a traffic light in the sky.

Accelerating Arctic ice melt

Ruth Mottram, a researcher with the Danish Meteorological Institute, tells The Washington Post that as the high-pressure area, also referred to as a “blocking ridge,” sets up over Greenland, it could promote a widespread and significant melt event like the one in 2012. During that summer, nearly all of the ice sheet experienced melting, including the highest elevations that rarely exceed 32 degrees.

Zack Labe, a climate researcher at the University of California at Irvine who focuses on Arctic climate change, says the upcoming Arctic heat wave could have major ramifications and may push sea ice to another record low at the end of the melt season.
https://www.washingtonpost.com/weather/2019/07/26/europes-heat-wave-is-about-bake-arctic/?utm_term=.58053c0c9317 (https://www.washingtonpost.com/weather/2019/07/26/europes-heat-wave-is-about-bake-arctic/?utm_term=.58053c0c9317)
Title: Re: Heatwaves
Post by: grixm on July 27, 2019, 07:31:16 PM
Norway's all-time record (35.6C) has been equaled: https://www.nrk.no/norge/den-norske-varmerekorden-fra-1970-er-tangert-1.14639854

And that in a relatively northern part of the country, 66⁰N
Title: Re: Heatwaves
Post by: Tom_Mazanec on July 27, 2019, 08:26:58 PM
Human body already at maximum heat stress for many:
https://www.econotimes.com/Heatwave-think-its-hot-in-Europe-The-human-body-is-already-close-to-thermal-limits-elsewhere-1559294
and heat will increase violence:
https://www.vice.com/en_in/article/wjvvmq/water-shortages-murder-and-chaos-the-grim-future-of-heat-waves
Title: Re: Heatwaves
Post by: vox_mundi on July 29, 2019, 05:30:42 PM
Think the Heatwave Was Bad? Climate Already Hitting Key Tipping Points
https://www.reuters.com/article/us-climate-change-heatwaves/think-the-heatwave-was-bad-climate-already-hitting-key-tipping-points-idUSKCN1UN065

... U.S climatologist Michael Mann believes emissions need to fall even more drastically than the IPCC assumes since the panel may be underestimating how far temperatures have already risen since pre-industrial times.

“Our work on this indicates that we might have as much as 40% less carbon left to burn than IPCC implies, if we are to avert the 1.5 Celsius warming limit,” said Mann, director of the Earth System Science Center at Pennsylvania State University.

Mann has urged governments to treat the transition to renewable energy with the equivalent urgency that drove the U.S. industrial mobilization in World War Two.

So far, no major economy has taken heed.

... “Either we radically transform human collective life by abandoning the use of fossil fuels or, more likely, climate change will bring about the end of global fossil-fuelled capitalist civilization,” wrote U.S. author Roy Scranton, in an April essay in MIT Technology Review.

“Revolution or collapse — in either case, the good life as we know it is no longer viable.”
Title: Re: Heatwaves
Post by: Bruce Steele on July 29, 2019, 06:01:51 PM
Here is a link to the Roy Scranton opinion piece. Thanks Vox,

https://www.technologyreview.com/s/613343/lessons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/

ps . There is a reference to " The arctic death spiral ". I always think of Jim Pettit's graph so named.

Had to fix Jims name, apologies .
Title: Re: Heatwaves
Post by: vox_mundi on July 29, 2019, 06:12:04 PM
Thx Bruce  :)
Title: Re: Heatwaves
Post by: Shared Humanity on July 29, 2019, 08:27:22 PM
Here is a link to the Roy Scranton opinion piece. Thanks Vox,

https://www.technologyreview.com/s/613343/lessons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/

ps . There is a reference to " The arctic ice death spiral ". I always think of Jim Petite's  graph so named.

Yes. Thanks, I think.  :'(
Title: Re: Heatwaves
Post by: TerryM on July 30, 2019, 03:53:29 AM
Here is a link to the Roy Scranton opinion piece. Thanks Vox,

https://www.technologyreview.com/s/613343/lessons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/ (https://www.technologyreview.com/s/613343/lessons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/)

ps . There is a reference to " The arctic ice death spiral ". I always think of Jim Petite's  graph so named.

Yes. Thanks, I think.  :'(


Roy Scranton's message, "our great-grandchildren may be the last generation of humans ever to live on planet Earth" is a difficult sermon to preach. Perhaps especially for those not raised neath the shadow of Nuclear Annihilation during the MAD pax on which our survival once depended.

A very few had access to bomb shelters. The majority whistled through those dark nights acting as though the results of Gillette's Friday Night Fights were of utmost importance. Bars turned up the volume & clans gathered around TVs as the weekly spectacular unfolded.

When the Cuban Missile Crisis parted the curtains Walter Cronkite's gravitas leant reality to the fragility of our precarious situation. When Uncle Walter worried, the Nation worried. It briefly flashed across America's collective conscience and plans for a short troglodyte sojourn were contemplated, (just until the sirens blared the "all clear"). Belief that there could be a winner, and that we would prevail were prevalent.

By Friday Liston was on the card and sanity returned. To cheer for an American who was black - or a foreigner who was white. These were the quandaries we were comfortable solving.

Living as though things other than the Sword of Damocles matter is old hat to us. We plant orchards, plan for retirement and act as though our kids will prosper - some even try to alter reality, forestall what may be the inevitable.

But Pacman had a great bout even though he didn't KO Thurman. ???
Terry

Title: Re: Heatwaves
Post by: Juan C. García on July 30, 2019, 01:24:04 PM
"The world’s climate emergency is getting harder to ignore"
Quote
We’re still coming to grips with how hot the recent heat wave that scorched through Europe actually was.

What happened? An intense area of high pressure, known as a “heat dome,” settled over Western Europe. As The Washington Post’s deputy weather editor Andrew Freedman explained, the stunning margins by which many of the previous record highs were eclipsed over the last week point to an inescapable reality: man-made climate change.

“The weather system responsible for the heat wave is now parked on top of Greenland, where it is expected to significantly speed up the pace and extent of ice melt for the next week. It could also help to drive Arctic sea ice to a record low by September, beating a record set in 2012.”

Conditions are all the more terrifying elsewhere. Epic heat waves racked South Asia and the Middle East earlier this summer; glaciers in the Himalayas are now melting at double the rate since the turn of the century. Last month, the World Meteorological Organization projected that the period between the beginning of 2015 and the end of this year will mark the Earth’s five warmest years on record.
https://www.washingtonpost.com/world/2019/07/30/worlds-climate-emergency-is-getting-harder-ignore/?utm_term=.7ee43658dd6f&wpisrc=nl_todayworld&wpmm=1 (https://www.washingtonpost.com/world/2019/07/30/worlds-climate-emergency-is-getting-harder-ignore/?utm_term=.7ee43658dd6f&wpisrc=nl_todayworld&wpmm=1)
Title: Re: Heatwaves
Post by: DrTskoul on July 30, 2019, 02:31:58 PM
Quote
Weather agency the Met Office says the temperature reached 38.7 C (101.7 F) at Cambridge University Botanic Garden in eastern England.

Quote
The previous U.K. record was 38.5 C (101.3 F), set in August 2003.
Title: Re: Heatwaves
Post by: Stephan on July 30, 2019, 06:16:37 PM
So Stephan,

assuming it's neither a local Urban Heat Island effect, nor the local nuclear power plant letting out steam, I wish to thank you for your efforts keeping us up-to-date.

I also noted that Wikipedia for Lingen had already been updated this evening:

Quote
On 25 July 2019, Lingen set the record for the temperature record ever recorded within Germany with a daytime high temperature of 42.6 degrees Celsius (109 degrees Fahrenheit) during a heat wave affecting much of Europe.

I agree, it's time to call it a day.
Today WetterOnline.de revised this record maximum. Not that it wasn't measured, but the position of this weather station (in NE direction a big hedge is growing in very close distance) makes a "perfect air mixing" almost impossible. WetterOnline.de declares the 2nd of this day (Duisburg-Baerl and Tönisvorst (both at 41.2°C)) as "winners" of this crazy hot day. See link for further information: https://www.wetteronline.de/wetternews/messung-in-lingen-inakzeptabel-42-6-grad-rekord-unbrauchbar-2019-07-30-hi
Title: Re: Heatwaves
Post by: vox_mundi on August 01, 2019, 11:46:37 PM
July Was World's Hottest Month On Record, WMO Says
https://www.cbc.ca/news/technology/july-hottest-month-1.5233368
https://phys.org/news/2019-08-chief-july-equaled-surpassed-hottest.html

Secretary-General Antonio Guterres says the latest data from the World Meteorological Organization shows that the month of July "at least equalled if not surpassed the hottest month in recorded history" — and it followed the hottest June ever.

The UN chief told reporters Thursday that "this is even more significant because the previous hottest month, July 2016, occurred during one of the strongest El Niño's ever," which was not the case this year.

https://twitter.com/UN_Spokesperson/status/1156973239840792577

Guterres said this means the world is on track for the period from 2015 to 2019 "to be the five hottest years on record."

He warned that if all nations don't take action now to tackle climate change and global warming, extreme weather events happening now will be "just the tip of the iceberg."
Title: Re: Heatwaves
Post by: Tom_Mazanec on August 02, 2019, 01:49:56 AM
Alaska's sweltering summer:
https://www.washingtonpost.com/climate-environment/alaskas-sweltering-summer-is-basically-off-the-charts/2019/07/31/d3ffa082-b2d9-11e9-951e-de024209545d_story.html?utm_term=.c0a2ddb06272
Title: Re: Heatwaves
Post by: vox_mundi on August 02, 2019, 04:41:21 PM
July Heatwave Up to 3°C Hotter Due to Climate Change
https://phys.org/news/2019-08-july-heatwave-3c-hotter-due.html

Europe has experienced exceptionally intense heatwaves in 2003, 2010, 2015, 2017, 2018 and two this year, peaks consistent with the general warming trend: the four hottest years on record globally were the last four years.

...Scientists from the World Weather Attribution (https://www.worldweatherattribution.org/) team combined climate modelling with historical heatwave trends and compared this July's heatwave with in-situ monitoring across the continent.

They concluded that the temperatures in the climate models were between 1.5-3C lower than those observed during the heatwave in Europe.

"In all locations an event like the observed would have been 1.5 to 3C cooler in an unchanged climate," the WWA said, adding that the difference was "consistent with increased instances of morbidity and mortality."

Such temperature extremes in northern Europe, without the additional 1C centigrade humans have added to the atmosphere since the industrial era, would be expected on average once every 1000 years.

Global warming also made the July heatwave in some countries between 10-100 times more likely to occur, compared with computer simulations.

-------------------------

Cutting Pollution Won't Cause Global Warming Spike, Study Finds
https://phys.org/news/2019-08-pollution-wont-global-spike.html

Fears that efforts to reduce air pollution could dramatically speed up the process of global warming have been allayed with the publication of a landmark new study.

The findings, published in Nature, offer greater hope that current plans to curb global warming by moving to cleaner sources of energy may still work without leading to an unexpected extra source of heating.

see also: https://forum.arctic-sea-ice.net/index.php/topic,1384.msg218298.html#msg218298
Title: Re: Heatwaves
Post by: Sigmetnow on August 03, 2019, 02:52:21 AM
In the midst of one of the biggest melt events for the Greenland ice sheet, the ice melt on 1 August 2019 was the highest volume ever recorded in a single day.

Greenland Ice Sheet Beats All-Time 1-Day Melt Record
Quote
The Greenland ice sheet broke records on 1 August 2019 by losing more water volume in 1 day than on than any other day since records began in 1950, shedding 12.5 billion tons of water into the sea.

The record-breaking day came during a weeklong extreme melt event hitting Greenland due to soaring temperatures and low snow accumulation over the winter. The warmer temperatures are part of a heat wave that scorched Europe in late July, setting records in several countries including Germany, France, and the Netherlands.

The extreme melting liquified enough ice to fill 5 million Olympic-sized swimming pools with water.

Air temperatures rose to 10°C above average in places in Greenland this week and peaked above the freezing point for hours at a time at the ice sheet’s summit more than 3,200 meters above sea level. The months of April, May, June, and July also had higher than average temperatures in Greenland. ...
https://eos.org/articles/greenland-ice-sheet-beats-all-time-1-day-melt-record
Title: Re: Heatwaves
Post by: Sigmetnow on August 03, 2019, 07:21:37 PM
Dying Orchards, Missing Fish as Climate Change Fueled Europe’s Record Heat
Quote
VELA LUKA, Croatia — The harvest in Mirjana Štimac's almond orchard usually starts in late July, but this year, the crop has failed, with only a few mature nuts per tree.

The trees are dying, and she blames a series of heat waves that have struck in recent years in an orchard that was already under stress from steadily rising global temperatures. Europe saw off-the-charts heat this summer: June was 2 degrees Celsius (3.6°F) above average and crushed the record for the month by a full 1°C (1.8°F), and a late July temperature spike set new record highs across the continent.

Both heat waves were made much more likely by human-caused global warming, scientists with the World Weather Attribution group announced in a study released Friday.

These past two months have been extreme worldwide: It was Earth's hottest June on record, followed by a July that the World Meteorological Organization reported this week had at least tied for the hottest July since global record-keeping began and may have broken the record.

Štimac has been tending almonds, olives, grapes and figs on the north shore of Korčula Island for 25 years, and while her orchards didn't get the worst of the latest heat wave, they have been suffering. All of the plants are well-adapted to seasonal Mediterranean heat and dryness, yet the cumulative impacts of multiple extreme heat events are starting to add up, she says.

She snaps off a branch covered in dead leaves and shriveled nuts and points to something unexpected—a few bright green leaves at the tip.

"I've never seen that before in July," Štimac says. "I think climate change has shifted the seasons. It just keeps getting warmer. The last three years there was no spring, no fall, just long, hot summer. The trees aren't sure what to do. They need the seasons. They need a cool time to rest and rain in the spring."
...
https://insideclimatenews.org/news/02082019/extreme-heat-wave-climate-change-attribution-europe-almond-trees-fish-hottest-july-june
Title: Re: Heatwaves
Post by: DrTskoul on August 03, 2019, 09:26:52 PM
That huge chunk in France that is sort of violet is over 113˚ F or 45˚ C !

That purple is between 40 and 45oC
Title: Re: Heatwaves
Post by: Alexander555 on August 06, 2019, 01:28:13 PM
18000 people to the hospital in just a week. https://japantoday.com/category/national/57-dead-18-000-taken-to-hospitals-in-week-in-japan-heat-wave
Title: Re: Heatwaves
Post by: Tom_Mazanec on August 09, 2019, 01:50:24 AM
Alaska's hottest month on record:
https://insideclimatenews.org/news/07082019/alaska-record-hottest-month-sea-ice-melt-climate-change-permafrost-species-die-off
Title: Re: Heatwaves
Post by: Sigmetnow on August 10, 2019, 06:24:24 PM
In the future, only the rich will be able to escape the unbearable heat from climate change. In Iraq, it’s already happening
Quote
A United Nations report released last month warned that the world is heading for a “climate apartheid” scenario, “where the wealthy pay to escape overheating, hunger and conflict while the rest of the world is left to suffer”.

In Baghdad, that is already a reality. On 48C days, which are now coming earlier in the year, air conditioners are the most effective way of staying cool. But an electricity crisis in the country is putting even that essential tool out of reach to low-income families.

The crisis – caused by a combination of corruption, mismanagement and a creaking national grid – has exacerbated the country’s energy divide. The result is a huge gap between electricity supply and demand, especially in the summer. A diesel generator can be used to meet some of the shortfall, but running an air conditioner from a generator is a luxury only a few can afford.

“The electricity is completely unpredictable,” says Abu Ahmed, a metal shop owner just down the street from Muhammad. “Sometimes it comes on at 10am and lasts all day, sometimes it’s only one hour. The air conditioner is out of the question without the government grid."  ...
https://www.independent.co.uk/news/world/middle-east/climate-change-apartheid-poor-iraq-effects-heatwave-a9049206.html
Title: Re: Heatwaves
Post by: nanning on August 10, 2019, 06:34:23 PM
37,202,572 (https://en.wikipedia.org/wiki/Iraq) humans live in Iraq.
Title: Re: Heatwaves
Post by: Sigmetnow on August 11, 2019, 03:25:41 AM
Oklahoma, U.S.

Steve Piltz (@SPiltz) 8/10/19, 4:11 PM
Dangerous heat ...
https://twitter.com/spiltz/status/1160282608435105795

Wet bulb temps.
91°F = 32.8°C
Title: Re: Heatwaves
Post by: DrTskoul on August 11, 2019, 03:44:14 AM
Sounds lovely.... :o :o
Title: Re: Heatwaves
Post by: TerryM on August 11, 2019, 05:05:28 AM
Oklahoma, U.S.

Steve Piltz (@SPiltz) 8/10/19, 4:11 PM
Dangerous heat ...
https://twitter.com/spiltz/status/1160282608435105795 (https://twitter.com/spiltz/status/1160282608435105795)

Wet bulb temps.
91°F = 32.8°C


Those temperatures are killers!


We operate internally at ~ 98 F and regulate our temperature by evaporation of water.
When wet bulb temperatures approach internal body temperatures it's increasingly difficult regulate body temperature. Our bodies simply overheat even when we're lying still.


Wet bulb temperatures need to be included in all weather reports/forecasts.
A/C isn't a luxury, heat stroke will cripple or kill.


Terry
Title: Re: Heatwaves
Post by: DrTskoul on August 11, 2019, 05:10:10 AM
Yeap, my godmother got killed by the '87 Athens heatwave
Title: Re: Heatwaves
Post by: vox_mundi on August 13, 2019, 01:50:41 AM
Dangerous Heat Grips Wide Stretch of the South and Midwest
https://phys.org/news/2019-08-dangerous-states-south-midwest.html

Forecasters are warning of scorching heat across a wide stretch of the U.S. South and Midwest, where the heat index will feel as high as 117 degrees (47 Celsius) in some spots.

Parts of 13 states on Monday will be under heat advisories, from Texas, Louisiana and Florida in the South to Missouri and Illinois in the Midwest, the National Weather Service reported.

Some of the most oppressive conditions Monday were being felt in Louisiana, Arkansas, Mississippi and Oklahoma, forecasters said.

It was expected to feel like 116 degrees (46.7 Celsius) in parts of eastern Oklahoma, near Tulsa, on Monday, forecasters said. And parts of Arkansas just west of Memphis, Tennessee, could see heat indexes Monday of around 117 degrees (47.2 Celsius).

... "It feels like hell is what it feels like," said Junae Brooks, who runs Junae's Grocery in Holly Bluff, Mississippi.

In the Mississippi Delta region, farmers did not have a choice but to work in the fields Monday since they're scrambling to make repairs and get caught up after floodwaters inundated the region in recent months. The flooding—which involved an area larger than New York City and Los Angeles combined—has recently receded and the farmers are just now able to reach their land and begin cleaning up the mess left behind.

"The mosquitoes the gnats, the spiders, the snakes—all of them—have been way worse this year," Brooks said of the land known locally as the Yazoo backwater area.

The region hardest-hit by this week's heat wave could experience many more days each year when the heat index soars as the effects of climate change increase, scientists say.
Title: Re: Heatwaves
Post by: Tom_Mazanec on August 13, 2019, 02:19:14 AM

New research shows that summer temperatures can vary as much as 20 degrees across different parts of a city, with poor and minority neighborhoods often bearing the brunt.
https://www.nytimes.com/interactive/2019/08/09/climate/city-heat-islands.html?rref=collection%2Fsectioncollection%2Fclimate
Title: Re: Heatwaves
Post by: vox_mundi on August 14, 2019, 03:02:08 AM
(https://www.washingtonpost.com/resizer/j88daTta_UJsqMZBnsJnoEt9Fwc=/480x0/arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/IYG7EM5UN5FVPJDQSO5RGQ3XII.jpg)

Energy Emergency Declared Amidst Texas Heat Wave
https://www.kwtx.com/content/news/Energy-emergency-declared-amidst-Texas-heat-wave-540437911.html

AUSTIN, Texas (KWTX) The operator of the electric grid that serves most of Texas has declared an energy conservation emergency as temperatures across much of the state approached or exceeded 100 degrees.

The Energy Reliability Council of Texas appealed to all of the state's consumers of electric power to limit and reduce their usage during the peak demand hours of 3 to 7 p.m. Tuesday after reserve capacity fell below 2,300 megawatts.

A megawatt is about enough electricity to power roughly 200 homes running air conditioners during hot weather

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Power Blows Past $9,000 Cap in Texas as Heat Triggers Emergency
https://www.bloomberg.com/amp/news/articles/2019-08-13/texas-power-prices-briefly-surpass-9-000-amid-searing-heat

Electricity prices briefly surged past a $9,000 a megawatt-hour price cap in Texas as extreme heat sent power demand skyrocketing and forced the state’s grid operator to declare an emergency.

As temperatures in Dallas climbed to 103 degrees Fahrenheit (39 Celsius), the Electric Reliability Council of Texas issued an emergency alert, calling on all power plants to ramp up and asking customers to conserve. At one point on Tuesday afternoon, the region had just 2,121 megawatts left in power reserves, less than 3% of total demand on the system.

... ERCOT has said its planning reserve margin for this summer was a historically low 7.4% because several generators have been retired even though demand is rising

Lower power prices make it difficult for some generators, like those operating old coal-fired plants, to make money selling electricity.
Title: Re: Heatwaves
Post by: Tom_Mazanec on August 14, 2019, 04:00:18 AM
Heat waves like the ongoing event in the Southern Plains and Gulf Coast are becoming increasingly humid, which makes them more dangerous to human health.
https://www.washingtonpost.com/weather/2019/08/13/increasing-humidity-driven-part-by-climate-change-is-making-even-modest-heat-waves-unbearable/
Title: Re: Heatwaves
Post by: vox_mundi on August 15, 2019, 11:19:17 PM
A Weather Station Above the Arctic Circle Hit 94.6 Degrees Fahrenheit
https://earther.gizmodo.com/a-weather-station-above-the-arctic-circle-hit-94-6-degr-1837274379

According to data released in the National Oceanic and Atmospheric Administration’s (NOAA) monthly climate analysis, a weather station in Sweden north of the Arctic Circle hit a stunning 94.6 Fahrenheit (34.8 degrees Celsius) last month.

... The steamy temperature was recorded on July 26 in the small Swedish outpost of Markusvinsa, which sits on the southern edge of the Arctic Circle. Deke Arndt, a NOAA climate scientist, said on a call with reporters that the data was analyzed and quality controlled by the Swedish Meteorological and Hydrological Institute and that “they have established that as highest temperature north of the Arctic Circle” for the country. For comparison, the hottest temperature recorded in New York City last month was 95 degrees Fahrenheit (35 degrees Celsius).
Title: Re: Heatwaves
Post by: Tom_Mazanec on August 19, 2019, 05:43:02 PM
Alaska has been in the throes of an unprecedented heat wave this summer, and the heat stress is killing salmon in large numbers.
Scientists have observed die-offs of several varieties of Alaskan salmon, including sockeye, chum and pink salmon.
https://myfox8.com/2019/08/18/the-water-is-so-hot-in-alaska-its-killing-large-numbers-of-salmon/