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Sigmetnow

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Re: Floods
« Reply #100 on: March 17, 2018, 06:40:58 PM »
TAMING THE MIGHTY MISSISSIPPI
A picaresque tour of infrastructure reveals a struggle for control all along America’s great river, full of questions about what it once was, doubts about what it will become and who will pay for any of it. https://www.washingtonpost.com/graphics/2018/national/mississippi-river-infrastructure/
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Alexander555

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Alexander555

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Sigmetnow

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Re: Floods
« Reply #103 on: March 22, 2018, 02:02:52 PM »
U.S.:

“Buried in the craziness of the Trump news cycle is the fact that the National Flood Insurance Program expires on Friday.
My forthcoming @PSJ_Editor article on NFIP explains the fraught politics of this important but troubled policy:”  https://onlinelibrary.wiley.com/doi/10.1111/psj.12189

     https://twitter.com/LoganRStrother/status/976511345351774208
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Sigmetnow

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Re: Floods
« Reply #104 on: March 25, 2018, 05:13:19 PM »
Houston, Texas

Canyon Gate’s dilemma lays bare a defining feature of coastal life in a time of climate change: Many of the neighborhoods where we already live should never have been built in the first place, and doubling down on reconstruction could make the consequences of the next disaster much more severe. But doubling down is what speculators do, and — at least in the short term — they are profiting from their efforts.

Houston Speculators Make a Fast Buck From Storm’s Misery
A new economy has arisen in the suburbs of Houston battered by storms: the buying and selling of flooded homes.
https://www.nytimes.com/2018/03/23/us/flooding-canyon-gate-hurricane-harvey.html
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Sigmetnow

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Re: Floods
« Reply #105 on: March 25, 2018, 09:22:27 PM »
National Flood Insurance Is Underwater Because of Outdated Science
The FEMA program will continue to be financially unviable until it uses the latest research to help fix its broken system
Quote
The National Flood Insurance Program, which covers some 5.2 million property holders in the U.S., was slated to get a badly needed overhaul today. The Senate’s task—which includes hammering out reforms that address the changing math of flood risk—has already been pushed back three times since November. Yet lawmakers still have not compromised on how to fix a broken system, so a reauthorization of the NFIP will almost certainly be punted again, to July 31.
...
From Wahl’s perspective, “the biggest gap is the fact that FEMA’s maps do not connect inland flooding and coastal flooding,” he says. “FEMA creates a flat map from the river side of things and a flat map from the storm surge side of things, and they just overlay them, which assumes that these two things are completely independent. But most tropical storms bring a lot of rain and storm surges. We understand why these events happen simultaneously, but what we haven’t done is include that information into risk assessments,” Wahl notes.  ...
https://www.scientificamerican.com/article/national-flood-insurance-is-underwater-because-of-outdated-science/
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Sigmetnow

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Re: Floods
« Reply #106 on: March 26, 2018, 07:52:51 PM »
Good idea.  Then a 500-year flood event won’t be quite as bad....  :-\

Underground Tunnels Proposed For Houston Flooding
Quote
The flood control district in the Houston area is considering a proposal to build massive underground tunnels to drain floodwaters from bayous across the county.

Harris County Flood Control District officials said the idea could be a bold answer following Hurricane Harvey to dramatically improve Houston’s defenses against deadly floods.

The Houston Chronicle reports that the project could cost several billion dollars and take several years to complete. It would build a network of deep tunnels to carry water from several of Houston’s waterways, so that they’d be able to keep a 100-year storm event within their banks.

Republican Rep. John Culberson of Houston said this project could be partially funded by Federal Emergency Management Agency hazard mitigation grants.

Commissioners will vote Tuesday, March 27, on whether to pursue a feasibility study to assess the tunnel proposal.
https://www.houstonpublicmedia.org/articles/news/2018/03/26/275258/underground-tunnels-proposed-for-houston-flooding/
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Shared Humanity

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Re: Floods
« Reply #107 on: March 27, 2018, 12:09:13 AM »
Deep tunnels can help but it's gonna take a lot longer than several years to construct anything of consequence. Chicago began construction on a deep tunnel project in 1972. It is projected to be completed in 2029.

http://www.chicagobusiness.com/article/20140113/NEWS02/140119934/fed-settlement-deep-tunnel-to-be-done-by-2029

While the project has helped tremendously, it has not eliminated flooding.
« Last Edit: March 27, 2018, 08:22:20 PM by Shared Humanity »

Alexander555

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Sigmetnow

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Re: Floods
« Reply #109 on: April 11, 2018, 08:44:18 PM »
Gigantic water tunnels won’t save Houston from the next Harvey
Quote
Last month, Harris county officials approved more than $100,000 to study the tunnels project, which would cost billions of dollars and take years to construct. The idea has the support of the city’s Republican member of Congress and his Democratic challenger. Elon Musk also quickly chimed in his enthusiasm on behalf of his tunnel-drilling company, because of course he did. https://www.chron.com/news/politics/houston/article/Will-Elon-Musk-save-Houston-12781470.php
Quote
This philosophical clash — build tunnels or plan a careful retreat — is perhaps the first major skirmish pitting climate adaptation against climate mitigation in a major U.S. city. The outcome could set the tone for decades to come. Knowing what we know about human nature and denial, a Texas-sized arms race against the sky feels all but inevitable. ...
https://grist.org/article/gigantic-water-tunnels-wont-save-houston-from-the-next-harvey/
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gerontocrat

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Re: Floods
« Reply #110 on: April 11, 2018, 10:54:47 PM »
Below is a table from Bloomberg of the 20 richest zip codes.
I wonder how many are at risk of flooding.

"Para a Causa do Povo a Luta Continua!"
"And that's all I'm going to say about that". Forrest Gump
"Damn, I wanted to see what happened next" (Epitaph)

Sigmetnow

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Re: Floods
« Reply #111 on: April 16, 2018, 01:04:56 AM »
Hawaii.  Two feet = over 600mm.

“Unbelievable rainfall totals since midnight on Kauai’s north shore. Rain rates up to 4” [100 mm] per hour still underway per @NWSHonolulu “

“Incredible pictures coming out of Kauai’s north shore after more than two feet of rain has caused historic flooding instagram.com/p/BhmWqGAAXgH/ “
https://twitter.com/passantino/status/985640750300844032

“Radar estimated storm totals since Friday are well over two feet and it’s still coming down. Everything beyond Princeville is cut off per NWS”
More images at the link.

Edit:  update:
Kauai getting pounded again with heavy rain after Hanalei got over 27” [685mm] of rain yesterday. Life threatening flooding ongoing. #hiwx
https://twitter.com/Wxmanms1/status/985663111964319745
Radar GIF at the link.
« Last Edit: April 16, 2018, 03:07:43 AM by Sigmetnow »
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Sigmetnow

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Re: Floods
« Reply #112 on: April 16, 2018, 01:26:13 AM »
Hawaii

“JUST IN: The second largest food pantry in the state is closed indefinitely after its warehouse was filled with two-feet of flood water. @HawaiiNewsNow ”
https://twitter.com/AllysonBlairTV/status/985649135163359232
Brief video at the link.


Edit:
Kauai has seen over two feet of rain in the last day.
Take a look at the damage here: http://www.hawaiinewsnow.com/global/slideshow.asp
#HINews #HNN


« Last Edit: April 16, 2018, 03:05:07 AM by Sigmetnow »
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Sleepy

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Re: Floods
« Reply #113 on: April 16, 2018, 08:22:24 AM »
So, Houston is looking at building tunnels, my two brain cells stopped fighting for a while...
The same Houston with a huge population boom this century, that also brought a lot of people from New Orleans after Katrina, which also contributed to building stuff in the wrong places, dispite the threat from warmer ocean waters, that then lead to three huge floodings in 18 months, including a self sustaining Harvey? The remedy for warmer oceans, stronger storms and rising sea levels is to build tunnels?

A sudden flash of memory; an interview with Tilman Fertitta from last year. Snipping out the part that my brain still can't translate.
Omnia mirari, etiam tritissima.

Sigmetnow

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Re: Floods
« Reply #114 on: April 16, 2018, 04:02:13 PM »
So, Houston is looking at building tunnels...

Tokyo built them.  Adaptation is an option.

The Underground Wonder of Tokyo
https://japangasm.wordpress.com/2012/01/12/the-underground-wonder-of-tokyo/
« Last Edit: April 16, 2018, 04:11:33 PM by Sigmetnow »
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Sigmetnow

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Re: Floods
« Reply #115 on: April 16, 2018, 04:15:34 PM »
“Excluding tropical cyclones, individual billion-dollar flooding events in the U.S. have added up to $39 billion in losses since 2010 ...”
https://twitter.com/ClimateCentral/status/985793698763104256
Image below.

Heavy Rainfall Trends Across the U.S.
http://www.climatecentral.org/gallery/graphics/heavy-rainfall-trends-us
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Sigmetnow

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Re: Floods
« Reply #116 on: April 16, 2018, 04:17:28 PM »
Hawai’i:

“#hanalei #kauai ”
https://twitter.com/madys0nscully/status/985713142352068609
Brief video of flood damage at the link.

“Try explaining 30" of rain on Kauai with houses washed away, and this for [Honolulu]. Good luck with that! #hiwx ”
   https://twitter.com/firebomb56/status/985710855730774018
First image below.

“According to this report, underestimated by about 25 percent! ”
https://twitter.com/hbergSteve/status/985736936252952576
Second image below.

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Sleepy

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Re: Floods
« Reply #117 on: April 17, 2018, 07:01:15 AM »
So, Houston is looking at building tunnels...

Tokyo built them.  Adaptation is an option.

The Underground Wonder of Tokyo
https://japangasm.wordpress.com/2012/01/12/the-underground-wonder-of-tokyo/
Yeah, those are famous. 59 pillars of 500 tons of reinforced concrete each, four 14,000 hp turbines to send the water into a river. Total amount of concrete and emissions? Who knows.
Japan har less than 3 sq km per 1,000 people, the US over ten times more space.
Adaptation is not mitigation.
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Alexander555

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Alexander555

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Red

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Re: Floods
« Reply #120 on: April 21, 2018, 11:11:41 AM »


USA – Snowmelt Flooding in Montana Prompts State of Emergency

Snowmelt has triggered flooding in parts of northern Montana, prompting Governor Steve Bullock to declare…
Colombia – 2 Dead After Month’s Worth of Rain in 2 Hours Hits Cali, Valle Del Cauca

18 APRIL, 2018 0 COMMENT
Martinique – Severe Flooding After 250mm of Rain in 6 Hours

18 APRIL, 2018 0 COMMENT
Kenya – Thousands Displaced as Flooding Continues

18 APRIL, 2018 0 COMMENT
Updated: Tanzania – 9 Dead as Flooding Hits Dar Es Salaam
http://floodlist.com

sidd

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Re: Floods
« Reply #121 on: April 23, 2018, 11:22:23 PM »
Is that Storm Desmond thing from 2015 ?

sidd

Sigmetnow

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Re: Floods
« Reply #122 on: April 24, 2018, 05:12:38 PM »
Is that Storm Desmond thing from 2015 ?

sidd

Oops!  Deleted.  Thanks.
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Sigmetnow

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Re: Floods
« Reply #123 on: April 25, 2018, 12:59:07 PM »
You can add “Dealing with displaced crustaceans” to the list of Complications of Flooding.

...
https://twitter.com/narpic/status/988223466360000512
Images below.
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Sigmetnow

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Re: Floods
« Reply #124 on: April 27, 2018, 12:18:45 AM »
THE OTHER BIG ONE

California’s next megaflood would be worse than eight Hurricane Katrinas
Quote
Worse than the 1906 earthquake. Worse than eight Hurricane Katrinas. Worse than every wildfire in California history, combined. The world’s first trillion-dollar natural disaster.

A wintertime megaflood in California could turn out to be the worst natural disaster in U.S. history by far, and we are making it much more likely, according to an alarming study published this week in Nature Climate Change.

The odds are good that such a flood will happen in the next 40 years, the study says. By the end of the century, it’s a near certainty. (And then another one hits, and another — three such storms are possible by 2100). By juicing the atmosphere, extreme West Coast rainstorms will happen at five times their historical rate, if humanity continues on roughly a business-as-usual path, the new research predicts. ...
https://grist.org/article/californias-next-megaflood-would-be-worse-than-eight-hurricane-katrinas/
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Archimid

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Re: Floods
« Reply #125 on: May 03, 2018, 01:11:43 PM »
New Brunswick floods: ‘This could get very uncomfortable,’ officials warn

http://www.ckom.com/2018/05/02/new-brunswick-floods-this-could-get-very-uncomfortable-officials-warn/

Quote
“We’re very concerned that the flooding will be unprecedented beyond even the 2008 and 1973 floods,” Clifford said in an interview. “So we’ve issued a recommended evacuation … The evidence suggests that this is going to be worse (flooding) and longer.”
I am an energy reservoir seemingly intent on lowering entropy for self preservation.

Sigmetnow

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Re: Floods
« Reply #126 on: May 05, 2018, 03:50:52 PM »
“RAW VIDEO: See the massive sinkhole — six stories deep, two football fields long — that opened underneath a New Zealand farm. A volcanologist says it may have been growing underground for up to 100 years before recent heavy rain opened it up.  https://cbsloc.al/2Idx4Tu  “
https://twitter.com/CBSLA/status/992496999458099200
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SteveMDFP

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Re: Floods
« Reply #127 on: May 05, 2018, 04:04:01 PM »
“RAW VIDEO: See the massive sinkhole — six stories deep, two football fields long — that opened underneath a New Zealand farm. A volcanologist says it may have been growing underground for up to 100 years before recent heavy rain opened it up.  https://cbsloc.al/2Idx4Tu  “
https://twitter.com/CBSLA/status/992496999458099200

Sinkhole de Mayo


(from a twitster)

Alexander555

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Sigmetnow

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Re: Floods
« Reply #129 on: May 08, 2018, 03:36:29 PM »
Above-average temperatures and extremely high snowpacks lead to flooding; predictions of one-in-100-year streamflow rates for rivers near several British Columbia communities, including Kelowna, Spences Bridge, Houston and Smithers.

High snowpack could fuel historic river flows in B.C.
http://vancouversun.com/news/local-news/high-snowpack-will-fuel-historic-river-flows
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Sigmetnow

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Re: Floods
« Reply #130 on: May 11, 2018, 03:11:21 AM »
Hobart floods: Havoc as wild weather floods city and Tasmania’s South East
http://www.themercury.com.au/news/tasmania/havoc-as-wild-weather-floods-hobart-and-tasmanias-south-east/news-story/7707f3fc8e3bd16a7752f172e4879c9a

#BREAKING: Flooding now impacting some UTAS Sandy Bay buildings. This video is from the Engineering building @togatus_
https://twitter.com/montebovill/status/994569597096378368
Raw video at the link.
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Susan Anderson

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Re: Floods
« Reply #131 on: May 11, 2018, 05:33:04 PM »

Sigmetnow

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Re: Floods
« Reply #132 on: May 14, 2018, 10:06:02 PM »
Houston examines Flood Tunnels in San Antonio, Austin, and Chicago as it considers building its own system after the disastrous flooding of Hurricane Harvey.

What Houston Is Learning About Underground Tunnels To Mitigate Flooding
https://www.houstonpublicmedia.org/articles/news/in-depth/2018/05/12/284919/what-houston-is-learning-about-flood-tunnels-in-other-cities/
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Sigmetnow

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Re: Floods
« Reply #133 on: May 15, 2018, 05:32:17 PM »
Dam failure in Kenya after heavy rains.

A privately–owned embankment dam located near the township of Solai, Nakuru County, in Kenya's Rift Valley burst amid heavy rains on 9 May 2018, killing at least 48 people.
The dam was one of seven belonging to Mansukul Patel on the private property of his 1,400-hectare (3,500-acre) commercial rose farm and business, Solai Roses.
https://en.m.wikipedia.org/wiki/Patel_Dam_failure
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Shared Humanity

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Re: Floods
« Reply #134 on: May 15, 2018, 05:35:38 PM »
Houston examines Flood Tunnels in San Antonio, Austin, and Chicago as it considers building its own system after the disastrous flooding of Hurricane Harvey.

What Houston Is Learning About Underground Tunnels To Mitigate Flooding
https://www.houstonpublicmedia.org/articles/news/in-depth/2018/05/12/284919/what-houston-is-learning-about-flood-tunnels-in-other-cities/

The deep tunnel project in Chicago, under construction for the last 40 years, has dramatically reduced flooding and protects the river and lake from dumping contaminated waters.

HapHazard

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Re: Floods
« Reply #135 on: May 16, 2018, 10:45:25 PM »
What sucks right now: dealing with flooding here in BC while already being very worried about wildfire season.

I need a break from this!

Sigmetnow

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Re: Floods
« Reply #136 on: May 20, 2018, 12:05:31 AM »
The Midwest Is Getting Drenched, And It’s Causing Big Problems
Quote
...
All this rain doesn’t just mean bigger floods, it also means more unpredictable floods. According to Eric Waage, the director of emergency management in Hennepin County, Minnesota, flooding in the state used to come primarily in early spring, when snow from the preceding winter melts and rivers rise. This kind of flooding from snowmelt can be dramatic, but the time between when the precipitation falls as snow and when it melts and pours into rivers as water allows for some advance planning (more snow in the winter means more water later). Recently, however, the state has had to worry more about flash flooding because intense rainstorms can arise with little or no warning. “It’s getting weird,” said Waage.

During one 2016 storm that resulted in parts of Minnesota qualifying for federal disaster assistance, concentrated storm bands over populated areas dropped nearly 10 inches of rain in just a few hours. Even away from any creeks or rivers, water coursed through neighborhoods and into basements. Flash flooding like this “can catch you off guard,” Waage said, making it harder to warn people or make preparations.

Municipalities try to prepare for emergencies like these ahead of time, and they rely on precipitation estimates to know what to plan for. Erin Wenz, a Minneapolis-based engineer, uses precipitation models to help municipalities decide where and how to build while taking into account the possibility of extreme precipitation. “We need to change people’s expectations of what is normal,” she said. ...
https://fivethirtyeight.com/features/the-midwest-is-getting-drenched-and-its-causing-big-problems/amp/
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Sigmetnow

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Re: Floods
« Reply #137 on: May 28, 2018, 12:43:29 AM »
Ellicott City, Maryland.  Mid-Atlantic U.S.  The 2016 storm was a ‘1 in 1,000 years’ event.

“This #flooding in #ellicottcity is WORSE than 2016! #mxwx #mdflood ”
https://twitter.com/JustinWeather/status/1000863875796013057
Image below.

Flooding Slams Ellicott City, Baltimore Region; Water Rescues Reported
https://weather.com/news/news/2018-05-27-maryland-flooding-baltimore-ellicott-city
Article with video.
« Last Edit: May 28, 2018, 12:59:05 AM by Sigmetnow »
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Sigmetnow

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Re: Floods
« Reply #138 on: May 28, 2018, 01:14:06 AM »
And now:
“Weather station in WeatherUnderground network reporting 115mm/ 4.5 inches of rain at Elliott City so far.”
https://twitter.com/browndutx/status/1000870241415696385

“Anyone who is outside around Ellicott City should find higher ground NOW. Another round of rain is coming in.”
https://twitter.com/capitalweather/status/1000867149039194112
Radar GIF at the link.


Note: this is over 750 miles / 1,200 km from the Gulf coast.  This is separate from Subtropical Storm Alberto.  (But essentially the same tropical air mass.)
« Last Edit: May 28, 2018, 01:48:02 AM by Sigmetnow »
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Shared Humanity

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Re: Floods
« Reply #139 on: May 28, 2018, 01:23:12 AM »
Ellicott City, Maryland.  Mid-Atlantic U.S.  The 2016 storm was a ‘1 in 1,000 years’ event.

“This #flooding in #ellicottcity is WORSE than 2016! #mxwx #mdflood ”
https://twitter.com/JustinWeather/status/1000863875796013057
Image below.

Flooding Slams Ellicott City, Baltimore Region; Water Rescues Reported
https://weather.com/news/news/2018-05-27-maryland-flooding-baltimore-ellicott-city
Article with video.

One of the comments on twitter...

cheryl kirby@kirbyfamily6 34m34 minutes ago
More
Replying to @JustinWeather
This awful. @HoCoGov should have fixed the issue two years ago.
« Last Edit: May 28, 2018, 01:30:42 AM by Shared Humanity »

Sigmetnow

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Re: Floods
« Reply #140 on: May 28, 2018, 01:41:37 AM »
It gets worse.  Accumulation 9.2 inches (233 mm).

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Sigmetnow

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Re: Floods
« Reply #141 on: May 28, 2018, 02:00:37 AM »
Approximately 5 miles downstream from Ellicott City, MD.

“The last report from the USGS gauge at Patapsco River near Elkridge at Patapsco Valley State Park indicated that the all-time record high stage has been broken and that the river rose 17.88 feet in ~2 hours. https://t.co/s4rKqyQRuT  https://t.co/LrBgLieh1J
 #mdwx #flooding ”
https://twitter.com/Accu_Jesse/status/1000878477204246528
Image below.
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SteveMDFP

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Re: Floods
« Reply #142 on: May 28, 2018, 02:25:54 AM »
Damn.  Ellicott City is just a few miles from me.  The 2016 flood was traumatic for the town and people I know.  Odd that I'd read about today's episode here.
Personally, just a really rainy day here.
Geography is destiny, I guess.

Susan Anderson

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Re: Floods
« Reply #143 on: May 28, 2018, 03:45:10 AM »
Subtropical Alberto is ramping up. I call these storms the "little engine that could" because of their wide-spread influence (thousands of miles, like the flywheel of a machine):
https://www.wunderground.com/cat6/alberto-taking-tropical-characteristics-warnings-along-ne-gulf-coast

pikaia

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Re: Floods
« Reply #144 on: May 28, 2018, 08:12:09 AM »
Ellicott City.


Alexander555

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Re: Floods
« Reply #145 on: May 28, 2018, 08:30:57 AM »

Susan Anderson

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Re: Floods
« Reply #146 on: May 28, 2018, 04:39:05 PM »
It's a little odd to "like" something so awful, but thanks for posting the information.

Ongoing, it looks to me like the damage from Alberto is going to be widespread.

gerontocrat

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Re: Floods
« Reply #147 on: May 28, 2018, 05:50:51 PM »
Ongoing, it looks to me like the damage from Alberto is going to be widespread.
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SteveMDFP

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Re: Floods
« Reply #148 on: May 28, 2018, 06:04:04 PM »
Ellicott City.



That's six miles from me.  In my neighborhood, not so much as a fallen branch.
Geography is destiny.
Similar destruction happened 2 years ago, same exact neighborhood devastated.
Historically, it's happened a couple of times in the 20th century.
Just last week, I vaguely recall a news story about some kind of proposed plan for flood mitigation  in that area. 
The climate, and subsequent weather events, is changing faster than our governmental bodies can react.
I wonder if that charming, quaint neighborhood might need to be converted to park land.  Pity.

SteveMDFP

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Re: Floods
« Reply #149 on: May 28, 2018, 07:43:23 PM »
The Ellicott City flood produced more than property damage, one person swept away:

Man missing after Ellicott City flooding, reported National Guard member and Air Force vet
http://wjla.com/news/local/national-guard-member-and-air-force-veteran-missing-after-ellicott-city-flooding

I believe 2 or 3 were swept away with the flash flood 2 years ago.

You don't expect to go this way when you visit an urban neighborhood of shops and restaurants.