Support the Arctic Sea Ice Forum and Blog

Author Topic: 2020 Sea ice area and extent data  (Read 96726 times)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #250 on: February 24, 2020, 07:58:25 PM »
NSIDC Sea Ice Area as at 23 February 2020 (5 day trailing average)
Addendum


Both the Bering and Okhotsk Seas sea ice area continue an impressive climb

The Barents Sea ice area steep decline has stalled.

Off-shore winds and high +ve temperature from Siberia have done a mischief to the sea ice in the Kara Sea.

I am blaming the very strong polar vortex provoking stormy weather in The North Pacific and the Atlantic Front.
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #251 on: February 25, 2020, 05:39:28 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

February 24th, 2020:
     14,097,689 km2, a drop of -73,634 km2.
     2020 is now 10th lowest on record.
     In the graph are the today's 17 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #252 on: February 25, 2020, 09:58:29 AM »
JAXA ARCTIC SEA ICE EXTENT 14,097,689 km2(February 24, 2020)

- Extent LOSS on this day 74 k, 91 k less than the average GAIN (of the last 10 years) of 17 k,
- Extent gain in this freezing season to date is 10,133 k, 536 k (5.6%) MORE than the average last 10 years gain to date of 9,597 k.
- Extent is 10th lowest in the satellite record,
- Extent is 291 k more than 2017
- Extent is 23 k more than 2019
- Extent is 98 k (0.7%) MORE than the 2010's average.

- on average 97.5% of extent gain for the the season done, 15 days on average to maximum.

We are into the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.34 million km2, above the lowest in the satellite record in March 2017 by 0.46 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +3.4 to +0.0 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now nearly 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia
This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.
"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)

Stephan

  • Nilas ice
  • Posts: 1046
    • View Profile
  • Liked: 438
  • Likes Given: 175
Re: 2020 Sea ice area and extent data
« Reply #253 on: February 25, 2020, 07:48:28 PM »
Has Kara Sea already passed its maximum this winter? It has lost an area of ca. 120 kkm² inthe last days...
It is too late just to be concerned about Climate Change

interstitial

  • Frazil ice
  • Posts: 213
    • View Profile
  • Liked: 45
  • Likes Given: 60
Re: 2020 Sea ice area and extent data
« Reply #254 on: February 25, 2020, 08:24:54 PM »
Neven is first year Ice. While multi year ice is technically possible there is none and I think that is the point

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #255 on: February 25, 2020, 08:35:37 PM »
NSIDC Total Area as at 24 February 2020 (5 day trailing average) 12,992,571  km2
                                 
Total Area         
 12,992,571    km2      
 232,406    km2   >   2010's average.
 69,319    km2   >   2019
-238,534    km2   <   2000's average.
         
 Total Change     30    k   gain
 Peripheral Seas     31    k   gain
 Central Seas__    -11    k   loss
 Other Seas___     10    k   gain
         
 Peripheral Seas          
 Bering _______     16    k   gain
 Baffin  Bay____     3    k   gain
 Greenland____     11    k   gain
 Barents ______     1    k   gain
         
CAB Seas         
Beaufort_____    1    k   gain
CAA_________   -0    k   loss
East Siberian__   -1    k   loss
Central Arctic_    0    k   gain
         
Kara_________   -11    k   loss
Laptev_______   -2    k   loss
Chukchi______    1    k   gain
         
Other Seas         
Okhotsk______    14    k   gain
St Lawrence___   -4    k   loss
Hudson Bay___   -1    k   loss
Daily gain of 30 k, 21k more than the 2010's average GAIN of 9 k.

- 2020 Area more than the 2010's average by 232 k.
- 2020 Area is MORE than 2019 by 69 k
- 2020 Area is LESS than the 2000's average by 239 k

- 2020 area 11th lowest in the satellite record.
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +3.4 to +0.0 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.
"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)

Tom_Mazanec

  • Young ice
  • Posts: 2691
    • View Profile
    • Planet Mazanec
  • Liked: 516
  • Likes Given: 105
Re: 2020 Sea ice area and extent data
« Reply #256 on: February 25, 2020, 09:01:30 PM »
Neven is first year Ice. While multi year ice is technically possible there is none and I think that is the point
AbruptSLR and Sigmetnow are multiyear ice.
SHARKS (CROSSED OUT) MONGEESE (SIC) WITH FRICKIN LASER BEAMS ATTACHED TO THEIR HEADS

blumenkraft

  • Young ice
  • Posts: 3416
  • Fans of Hans Ø Club - circa 2018
    • View Profile
  • Liked: 1243
  • Likes Given: 1991
Re: 2020 Sea ice area and extent data
« Reply #257 on: February 25, 2020, 09:09:38 PM »
It has taken a lot of time and energy, successes and failures to build a library of spreadsheets and data sources. So it is a bit annoying to think people have to wade through a load of clutter to reach the data.

This is a data thread. So, please please please bring data or a new way of looking at the data (when discussion is great).
If not, bugger off.
Everyone who can must self-isolate.

interstitial

  • Frazil ice
  • Posts: 213
    • View Profile
  • Liked: 45
  • Likes Given: 60
Re: 2020 Sea ice area and extent data
« Reply #258 on: February 26, 2020, 04:36:31 AM »
@Tom
your right my bad.
Better to say it is rare.

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #259 on: February 26, 2020, 05:07:37 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

February 25th, 2020:
     14,082,564 km2, a drop of -15,125 km2.
     2020 is now 9th lowest on record.
     In the graph are the today's 15 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #260 on: February 26, 2020, 09:02:04 AM »
JAXA ARCTIC SEA ICE EXTENT: 14,082,564 km2(February 25, 2020)

- Extent LOSS on this day 15 k, 17 k less than the average GAIN (of the last 10 years) of 2 k,
- Extent gain in this freezing season to date is 10,118 k, 519 k (5.4%) MORE than the average last 10 years gain to date of 9,599 k.
- Extent is 9th lowest in the satellite record,
- Extent is 310 k more than 2017
- Extent is 64 k more than 2019
- Extent is 82 k (0.6%) MORE than the 2010's average.

- on average 97.5% of extent gain for the the season done, 14 days on average to maximum.

We are into the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.32 million km2, above the lowest in the satellite record in March 2017 by 0.44 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.7 to +0.0 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #261 on: February 26, 2020, 09:59:12 PM »
NSIDC Total Area as at 25 February 2020 (5 day trailing average) 13,002,775  km2
                                 
Total Area         
 13,002,775    km2      
 229,879    km2   >   2010's average.
 104,780    km2   >   2019
-237,619    km2   <   2000's average.
         
 Total Change     10    k   gain
 Peripheral Seas     20    k   gain
 Central Seas__    -17    k   loss
 Other Seas___     7    k   gain
         
 Peripheral Seas          
 Bering _______     8    k   gain
 Baffin  Bay____     2    k   gain
 Greenland____     11    k   gain
 Barents ______     0    k   gain
         
CAB Seas         
Beaufort_____    0    k   gain
CAA_________    1    k   gain
East Siberian__   -1    k   loss
Central Arctic_    2    k   gain
         
Kara_________   -13    k   loss
Laptev_______   -7    k   loss
Chukchi______    1    k   gain
         
Other Seas         
Okhotsk______    9    k   gain
St Lawrence___   -1    k   loss
Hudson Bay___   -1    k   loss
Daily gain of 10 k, 3 k less than the 2010's average GAIN of 13 k.

- 2020 Area more than the 2010's average by 230 k.
- 2020 Area is MORE than 2019 by 105 k
- 2020 Area is LESS than the 2000's average by 238 k

- 2020 area 11th lowest in the satellite record.
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.7 to +0.0 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #262 on: February 26, 2020, 10:34:22 PM »
Kara Sea Ice area loss is impressive, but Bering Sea ice area gain is approaching astounding.
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #263 on: February 27, 2020, 05:26:20 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

February 26th, 2020:
     14,168,505 km2, an increase of 85,941 km2.
     2020 is now 10th lowest on record.
     In the graph are the today's 15 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

jdallen

  • Young ice
  • Posts: 3053
    • View Profile
  • Liked: 213
  • Likes Given: 177
Re: 2020 Sea ice area and extent data
« Reply #264 on: February 27, 2020, 08:06:05 AM »
Kara Sea Ice area loss is impressive, but Bering Sea ice area gain is approaching astounding.
The Kara loss disturbs more than the Bering gain reassures me.

That gain is still only about 100K km2 more than the 2010's average and still well under 2012/13.

The Kara loss has the potential to weaken the central pack much more than the Bering increase will strengthen it.
This space for Rent.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #265 on: February 27, 2020, 09:41:22 AM »
JAXA ARCTIC SEA ICE EXTENT: 14,168,505 km2(February 26, 2020)

- Extent gain on this day 86 k, 76 k more than the average gain (of the last 10 years) of 10 k,
- Extent gain in this freezing season to date is 10,204 k, 595 k (6.2%) MORE than the average last 10 years gain to date of 9,609 k.
- Extent is 10th lowest in the satellite record,
- Extent is 205 k more than 2017
- Extent is 173 k more than 2019
- Extent is 158 k (1.1%) MORE than the 2010's average.

- on average 97.6% of extent gain for the the season done, 13 days on average to maximum.

We are into the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.40 million km2, above the lowest in the satellite record in March 2017 by 0.52 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.5 to +0.3 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #266 on: February 27, 2020, 08:34:45 PM »
NSIDC Total Area as at 26 February 2020 (5 day trailing average) 13,011,317  km2
                                 
Total Area         
 13,011,317    km2      
 231,782    km2   >   2010's average.
 161,075    km2   >   2019
-243,805    km2   <   2000's average.
         
 Total Change     9    k   gain
 Peripheral Seas     23    k   gain
 Central Seas__    -20    k   loss
 Other Seas___     5    k   gain
         
 Peripheral Seas          
 Bering _______     5    k   gain
 Baffin  Bay____     6    k   gain
 Greenland____     11    k   gain
 Barents ______     2    k   gain
         
CAB Seas         
Beaufort_____   -0    k   loss
CAA_________    2    k   gain
East Siberian__   -4    k   loss
Central Arctic_    4    k   gain
         
Kara_________   -12    k   loss
Laptev_______   -10    k   loss
Chukchi______    0    k   gain
         
Other Seas         
Okhotsk______    4    k   gain
St Lawrence___   -2    k   loss
Hudson Bay___    4    k   gain
Daily gain of 9 k, 2 k more than the 2010's average GAIN of 7 k.

- 2020 Area more than the 2010's average by 232 k.
- 2020 Area is MORE than 2019 by 161 k
- 2020 Area is LESS than the 2000's average by 244 k

- 2020 area 11th lowest in the satellite record.

The warmth & offshore winds in Siberia now resulting in sea ice area loss extending from the Kara Sea to the Laptev Sea & the ESS.
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.5 to +0.3 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now less than 4 weeks from the Spring equinox).

However, one constant still persists -very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.

However, there are increasing signs that after 5 days this persistent weather pattern may be due for a significant change - but what to?
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #267 on: February 28, 2020, 05:10:18 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

Sorry guys, my Excel stop working…  :-\

If someone else can make the post. Thanks!
https://ads.nipr.ac.jp/vishop/#/extent

(I hope that I could fix it tomorrow…  :(   >:().

P.S. Big increase, from 14.17 M to 14.3 M km2. 130K km2 aprox.
New 2020 max.
« Last Edit: February 28, 2020, 05:23:23 AM by Juan C. García »
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #268 on: February 28, 2020, 09:29:44 PM »
ASIF returns from the dead - or was it just me?

JAXA ARCTIC SEA ICE EXTENT: 14,295,372 km2(February 27, 2020)

Wot a large gain - the ups and downs in extent expected at this time of year are extra extreme this year

- Extent gain on this day 127 k, 140 k more than the average loss (of the last 10 years) of 13 k,
- Extent gain in this freezing season to date is 10,331 k, 736 k (7.7%) MORE than the average last 10 years gain to date of 9,595 k.
- Extent is 12th lowest in the satellite record,
- Extent is 576 k more than 2017
- Extent is 336 k more than 2019
- Extent is 298 k (2.1%) MORE than the 2010's average.

- on average 97.5% of extent gain for the the season done, 12 days on average to maximum.

We are into the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.53 million km2, above the lowest in the satellite record in March 2017 by 0.65 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.3 to +0.2 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.

But there are ever increasing signs that after 4-5 days this persistent weather pattern may be due for a significant change - but what to?
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #269 on: February 28, 2020, 09:48:14 PM »
NSIDC Total Area as at 27 February 2020 (5 day trailing average) 13,019,043 km2
                                 
Total Area         
 13,019,043    km2      
 239,783    km2   >   2010's average.
 231,047    km2   >   2019
-258,435    km2   <   2000's average.
         
 Total Change     8    k   gain
 Peripheral Seas     16    k   gain
 Central Seas__    -14    k   loss
 Other Seas___     5    k   gain
         
 Peripheral Seas          
 Bering _______     3    k   gain
 Baffin  Bay____     4    k   gain
 Greenland____     6    k   gain
 Barents ______     3    k   gain
         
CAB Seas         
Beaufort_____   -1    k   loss
CAA_________    4    k   gain
East Siberian__   -5    k   loss
Central Arctic_    3    k   gain
         
Kara_________   -5    k   loss
Laptev_______   -9    k   loss
Chukchi______   -1    k   loss
         
Other Seas         
Okhotsk______   -1    k   loss
St Lawrence___    2    k   gain
Hudson Bay___    4    k   gain
Daily gain of 8 k, 8 k more than the 2010's average GAIN of 0 k.

- 2020 Area more than the 2010's average by 240 k.
- 2020 Area is MORE than 2019 by 231 k
- 2020 Area is LESS than the 2000's average by 258 k

- 2020 area 11th lowest in the satellite record.

The warmth & offshore winds in Siberia now resulting in sea ice area loss extending from the Kara Sea to the Laptev Sea & the ESS. It looks like in the days ahead Kara ice area loss will reverse into gain (offshore winds becoming onshore), while the Laptev and ESS might see accelerating ice area loss.
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +2.3 to +0.2 celsius over the next 5 days.

A messy and rapidly changing picture, being the gathering strength of the annual battle of the warmth from the rising sun fighting the bitter cold of the Arctic Ocean (as we are now more than 2 months after the winter solstice).

However, one constant still in play seems to be very high +ve temperature anomalies over most of Siberia. This in contrast to expected below average temperatures for some time to come over most of northern North America extending to Baffin Bay, Greenland & the Barents.

But there are ever increasing signs that after 4-5 days this persistent weather pattern may be due for a significant change - but what to?
"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)

Tom_Mazanec

  • Young ice
  • Posts: 2691
    • View Profile
    • Planet Mazanec
  • Liked: 516
  • Likes Given: 105
Re: 2020 Sea ice area and extent data
« Reply #270 on: February 29, 2020, 12:06:52 AM »
gerontocracy:
I was getting database error also.
SHARKS (CROSSED OUT) MONGEESE (SIC) WITH FRICKIN LASER BEAMS ATTACHED TO THEIR HEADS

Archimid

  • Young ice
  • Posts: 2814
    • View Profile
  • Liked: 550
  • Likes Given: 189
Re: 2020 Sea ice area and extent data
« Reply #271 on: February 29, 2020, 02:37:39 AM »
Not just you. I'm glad it is back.
I am an energy reservoir seemingly intent on lowering entropy for self preservation.

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #272 on: February 29, 2020, 04:42:00 AM »
Not just you. I'm glad it is back.
+ 1

I am going to be without Excel for 2 or 3 days. Just posting the graph these days.

[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

February 28th, 2020:
     14.35M km2, an increase of ~50K km2.
     New 2020 max record.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

Stephan

  • Nilas ice
  • Posts: 1046
    • View Profile
  • Liked: 438
  • Likes Given: 175
Re: 2020 Sea ice area and extent data
« Reply #273 on: February 29, 2020, 08:33:55 AM »
On behalf of Juan's not working Excel programme here the JAXA Arctic Sea Ice Extent data for Feb 28, 2020, sorted by value:
  1. 2018 13.73 M km²
  2. 2017 13.75 M km²
  3. 2015 13.82 M km²
  4. 2011 13.91 M km²
  4. 2019 13.91 M km²
  6. 2006 13.92 M km²
  7. 2016 13.94 M km²
(-) 2010s 14.02 M km²
  8. 2014 14.03 M km²
  9. 2007 14.10 M km²
10. 2010 14.24 M km²
11. 2005 14.25 M km²
12. 2012 14.34 M km²
13. 2020 14.35 M km²
14. 2013 14.51 M km²
15. 2009 14.57 M km²
16. 2004 14.60 M km²
(-) 2000s 14.64 M km²
« Last Edit: February 29, 2020, 08:40:30 AM by Stephan »
It is too late just to be concerned about Climate Change

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #274 on: March 01, 2020, 05:05:18 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

February 29th, 2020:
     14.35M km2, if I'm right with a manual calculation, a drop of only 4K km2.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
« Last Edit: March 01, 2020, 05:23:11 AM by Juan C. García »
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #275 on: March 01, 2020, 10:07:52 AM »
The 29th February does not exist in my spreadsheets.
So no postings on sea ice today.

50-50 chance of being able to post something tomorrow.
"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)

PragmaticAntithesis

  • New ice
  • Posts: 52
    • View Profile
  • Liked: 21
  • Likes Given: 66
Re: 2020 Sea ice area and extent data
« Reply #276 on: March 01, 2020, 12:59:47 PM »
Oh no, the accursed leap day strikes again!
A single seed in the right place can sprout an entire forest.

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #277 on: March 02, 2020, 04:39:25 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

March 1st, 2020:
     14,386,278 km2, an increase of 38,052 km2.
     New 2020 max record.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
     
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #278 on: March 02, 2020, 11:55:25 AM »
JAXA ARCTIC SEA ICE EXTENT: 14,386,278 km2(March 1, 2020)

- Extent gain in the last 2 days 91 k, 35 k more than the average gain (of the last 10 years) of 56 k,
- Extent gain in this freezing season to date is 10,384 k, 771 k (8.0%) MORE than the average last 10 years gain to date of 9,651 k.
- Extent is 12th lowest in the satellite record,
- Extent is 584 k more than 2017
- Extent is 477 k more than 2019
- Extent is 333 k (2.4%) MORE than the 2010's average.

- on average 97.8% of extent gain for the the season done, 9 days on average to maximum.

We are into the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.56 million km2, above the lowest in the satellite record in March 2017 by 0.68 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +1.5 to -2.1 celsius over the next 5 days.
« Last Edit: March 02, 2020, 12:14:12 PM by gerontocrat »
"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)

Downpuppy

  • New ice
  • Posts: 14
    • View Profile
  • Liked: 4
  • Likes Given: 1
Re: 2020 Sea ice area and extent data
« Reply #279 on: March 02, 2020, 02:49:51 PM »
JAXA ARCTIC SEA ICE EXTENT: 14,386,278 km2(March 1, 2020)

- Extent gain in the last 2 days 91 k,

I think this is a 3 day gain. Leap day isn't in your spreadsheet, but I fear it's real.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #280 on: March 02, 2020, 04:28:43 PM »
JAXA ARCTIC SEA ICE EXTENT: 14,386,278 km2(March 1, 2020)

- Extent gain in the last 2 days 91 k,

I think this is a 3 day gain. Leap day isn't in your spreadsheet, but I fear it's real.
My reality belongs to me, even though you are correct.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #281 on: March 02, 2020, 05:18:46 PM »
NSIDC Total Area as at 1 March 2020 (5 day trailing average) 13,147,968  km2
                                 
Total Area         
 13,147,968    km2      
 359,325    km2   >   2010's average.
 482,807    km2   >   2019
-216,043    km2   <   2000's average.
         
 Total Change     60    k   gain
 Peripheral Seas     37    k   gain
 Central Seas__     15    k   gain
 Other Seas___     8    k   gain
         
 Peripheral Seas          
 Bering _______     3    k   gain
 Baffin  Bay____     5    k   gain
 Greenland____     5    k   gain
 Barents ______     24    k   gain
         
CAB Seas         
Beaufort_____   -1    k   loss
CAA_________    1    k   gain
East Siberian__   -4    k   loss
Central Arctic_    4    k   gain
         
Kara_________    17    k   gain
Laptev_______   -2    k   loss
Chukchi______   -1    k   loss
         
Other Seas         
Okhotsk______    2    k   gain
St Lawrence___    1    k   gain
Hudson Bay___    5    k   gain
Daily gain of 60 k, 56 k more than the 2010's average GAIN of 4 k.

- 2020 Area more than the 2010's average by 359 k.
- 2020 Area is MORE than 2019 by 483 k
- 2020 Area is LESS than the 2000's average by 216 k

- 2020 area 14th lowest in the satellite record.

Kara ice area loss has reversed into gain (offshore winds becoming onshore), while the Laptev and ESS see some ice area loss.
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +1.5 to -2.1 celsius over the next 5 days.
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #282 on: March 03, 2020, 05:59:36 AM »
I'm back to routine posts...  :)

[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

March 2nd, 2020:
     14,412,259 km2, an increase of 25,981 km2 (And new 2020 max).
     2020 is now 12th lowest on record.
     In the graph are the today's 15 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
« Last Edit: March 03, 2020, 06:11:44 AM by Juan C. García »
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

nanning

  • Nilas ice
  • Posts: 1750
  • 0Kg CO2, 35 KWh/wk,130L H2O/wk, No heating
    • View Profile
  • Liked: 250
  • Likes Given: 13242
Re: 2020 Sea ice area and extent data
« Reply #283 on: March 03, 2020, 09:09:52 AM »
Thank you for all your posts Juan.
I think it should be possible to put your Excel files on an usb stick and take them whereever you want.
I have my whole backup + files+ plug-in running linux/GNU system on an usb stick. If I put it in another computer, it will start up with my system and my desktop with my important files. In effect I carry my whole system wth me. This usb stick is behind a zipper in my wallet.
"It is preoccupation with possessions, more than anything else, that prevents us from living freely and nobly" - Bertrand Russell
   Simple: minimize your possessions and be free and kind    It's just a mindset.       Refugees welcome

Fractious

  • NewMembers
  • New ice
  • Posts: 5
    • View Profile
  • Liked: 1
  • Likes Given: 1
Re: 2020 Sea ice area and extent data
« Reply #284 on: March 04, 2020, 01:12:10 AM »
It's getting down to the wire.
2020 Artic Ice Extent will be 14,610,011

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #285 on: March 04, 2020, 04:59:56 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

March 3rd, 2020:
     14,447,641 km2, an increase of 35,382 km2 (and new 2020 max).
     2020 is now 13th lowest on record.
     In the graph are the today's 16 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #286 on: March 04, 2020, 05:07:07 AM »
Thank you for all your posts Juan.
I think it should be possible to put your Excel files on an usb stick and take them whereever you want.
I have my whole backup + files+ plug-in running linux/GNU system on an usb stick. If I put it in another computer, it will start up with my system and my desktop with my important files. In effect I carry my whole system wth me. This usb stick is behind a zipper in my wallet.
Thank you for your comments, Nanning.
The true is that I don't use an Excel file that is mine, to make these posts. I just download the last ADS-NIPR-VISHOP file and work with it. It was impossible to do this work without the Excel program. I could use another computer, but I only have a permanent log-in on my computer.

I don't remember my original password to the ASIF, so I cannot log-in on another computer.  ::)  :-[ I hope I will not need it...  ;)

[Back to topic...]

Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #287 on: March 04, 2020, 12:06:38 PM »
JAXA ARCTIC SEA ICE EXTENT: 14,447,641 km2(March 3, 2020)

- Extent gain in the last 2 days 61 k, 15 k more than the average gain (of the last 10 years) of 46 k,
- Extent gain in this freezing season to date is 10,483 k, 814 k (8.4%) MORE than the average last 10 years gain to date of 9,670 k.
- Extent is 13th lowest in the satellite record,
- Extent is 634 k more than 2017
- Extent is 433 k more than 2019
- Extent is 376 k (2.7%) MORE than the 2010's average.

- on average 98.6% of extent gain for the the season done, 7 days on average to maximum.

We are still in the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.59 million km2, above the lowest in the satellite record in March 2017 by 0.71 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from +0.7 to -2.1 celsius over the next 5 days.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #288 on: March 04, 2020, 04:38:19 PM »
NSIDC Total Area as at 3 March 2020 (5 day trailing average) 13,249,753  km2
                                 
Total Area         
 13,249,753    km2      
 425,267    km2   >   2010's average.
 552,161    km2   >   2019
-147,786    km2   <   2000's average.
         
 Total Change     51    k   gain
 Peripheral Seas     30    k   gain
 Central Seas__     11    k   gain
 Other Seas___     11    k   gain
         
 Peripheral Seas          
 Bering _______     2    k   gain
 Baffin  Bay____     7    k   gain
 Greenland____     1    k   gain
 Barents ______     20    k   gain
         
CAB Seas         
Beaufort_____   -0    k   loss
CAA_________   -1    k   loss
East Siberian__   -3    k   loss
Central Arctic_    1    k   gain
         
Kara_________    13    k   gain
Laptev_______    2    k   gain
Chukchi______   -1    k   loss
         
Other Seas         
Okhotsk______    10    k   gain
St Lawrence___   -4    k   loss
Hudson Bay___    5    k   gain
A gain of 102 k in the last 2 days,, 62 k more than the 2010's average GAIN of 36 k.

- 2020 Area more than the 2010's average by 425 k.
- 2020 Area is MORE than 2019 by 552 k
- 2020 Area is LESS than the 2000's average by 148 k

- 2020 area 14th lowest in the satellite record.

In most seas ice area is gaining - at this time of year mostly meaning the gaps are filling in
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from +0.7 to -2.1 celsius over the next 5 days.
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #289 on: March 05, 2020, 04:45:34 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

March 4th, 2020:
     14,435,822 km2, a drop of -11,819 km2.
     2020 is now 12th lowest on record.
     In the graph are the today's 18 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #290 on: March 05, 2020, 12:17:46 PM »
JAXA ARCTIC SEA ICE EXTENT: 14,435,822 km2(March 4, 2020)

- Extent LOSS on this day 12 k, 10 k more than the average LOSS (of the last 10 years) of 2 k,
- Extent gain in this freezing season to date is 10,472 k, 804 k (8.3%) MORE than the average last 10 years gain to date of 9,668 k.
- Extent is 12th lowest in the satellite record,
- Extent is 606 k more than 2017
- Extent is 433 k more than 2019
- Extent is 366 k (2.6%) MORE than the 2010's average.

- on average 98.7% of extent gain for the the season done, 6 days on average to maximum.

We are still in the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.57 million km2, above the lowest in the satellite record in March 2017 by 0.69 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from -0.4 to -2.2 celsius over the next 5 days.  Especially cold in the Bering Sea and north from NE Greenland to the West Siberian shore.
"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)

Juan C. García

  • Nilas ice
  • Posts: 1695
    • View Profile
  • Liked: 743
  • Likes Given: 572
Re: 2020 Sea ice area and extent data
« Reply #291 on: March 06, 2020, 05:05:11 AM »
[ADS NIPR VISHOP (JAXA)] Arctic Sea Ice Extent.

March 5th, 2020:
     14,395,557 km2, a drop of -40,265 km2.
     2020 is 12th lowest on record.
     In the graph are the today's 17 lowest years.
     Highlighted the 4 years with September lowest min (2012, 2019, 2016, 2007) & 2020.
     Source: https://ads.nipr.ac.jp/vishop/#/extent
Which is the best answer to Sep-2012 ASI lost (compared to 1979-2000)?
50% [NSIDC Extent] or
73% [PIOMAS Volume]

Volume is harder to measure than extent, but 3-dimensional space is real, 2D's hide ~50% thickness gone.
-> IPCC/NSIDC trends [based on extent] underestimate the real speed of ASI lost.

echoughton

  • Frazil ice
  • Posts: 104
    • View Profile
  • Liked: 18
  • Likes Given: 63
Re: 2020 Sea ice area and extent data
« Reply #292 on: March 06, 2020, 09:34:03 AM »
Max reached, perhaps?????

PragmaticAntithesis

  • New ice
  • Posts: 52
    • View Profile
  • Liked: 21
  • Likes Given: 66
Re: 2020 Sea ice area and extent data
« Reply #293 on: March 06, 2020, 10:11:48 AM »
Max reached, perhaps?????

People speculated that two weeks ago, then we got a century gain. I don't think it's time to open the melting thread just yet! (Though Neven may disagree)
A single seed in the right place can sprout an entire forest.

blumenkraft

  • Young ice
  • Posts: 3416
  • Fans of Hans Ø Club - circa 2018
    • View Profile
  • Liked: 1243
  • Likes Given: 1991
Re: 2020 Sea ice area and extent data
« Reply #294 on: March 06, 2020, 11:40:18 AM »
It has taken a lot of time and energy, successes and failures to build a library of spreadsheets and data sources. So it is a bit annoying to think people have to wade through a load of clutter to reach the data.

This is a data thread. So, please please please bring data or a new way of looking at the data (when discussion is great).

If not, bugger off.


Everyone who can must self-isolate.

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #295 on: March 06, 2020, 01:51:57 PM »
JAXA ARCTIC SEA ICE EXTENT: 14,395,557 km2(March 5, 2020)

With sea ice extent losses in the last 2 days of 52 k, now is the season for speculating on whether the maximum has been reached. However, this is the thread for data for all of 2020. In my extremely unhumble opinion, speculation on the date of maximum belongs on the 2019-290 freezing season thread.

- Extent LOSS on this day 40 k, 42 k less than the average GAIN (of the last 10 years) of 2 k,
- Extent gain in this freezing season to date is 10,431 k, 761 k (7.9%) MORE than the average last 10 years gain to date of 9,670 k.
- Extent is 12th lowest in the satellite record,
- Extent is 537 k more than 2017
- Extent is 351 k more than 2019
- Extent is 324 k (2.3%) MORE than the 2010's average.

- on average 98.7% of extent gain for the the season done, 5 days on average to maximum.

We are still in the period when on average daily extent gains are low but highly variable.

Projections.

Average remaining extent gain in the last 10 years from this date produces a maximum of 14.57 million km2, above the lowest in the satellite record in March 2017 by 0.69 million km2.
________________________________________________________________________
Freezing / Melting Outlook?

GFS says overall Arctic temperature anomalies reducing from -1.2 to -2.5 celsius over the next 5 days.  Especially cold in the Bering Sea and north from NE Greenland to the West Siberian shore.
"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)

gerontocrat

  • First-year ice
  • Posts: 7693
    • View Profile
  • Liked: 2493
  • Likes Given: 24
Re: 2020 Sea ice area and extent data
« Reply #296 on: March 06, 2020, 03:29:35 PM »
NSIDC Total Area as at 5 March 2020 (5 day trailing average) 13,339,134  km2
                                 
Total Area         
 13,339,134    km2      
 468,233    km2   >   2010's average.
 557,571    km2   >   2019
-72,888    km2   <   2000's average.
         
 Total Change     39    k   gain
 Peripheral Seas     2    k   gain
 Central Seas__     21    k   gain
 Other Seas___     17    k   gain
         
 Peripheral Seas          
 Bering _______    -4    k   loss
 Baffin  Bay____     3    k   gain
 Greenland____    -6    k   loss
 Barents ______     9    k   gain
         
CAB Seas         
Beaufort_____    0    k   gain
CAA_________   -1    k   loss
East Siberian__   -2    k   loss
Central Arctic_    1    k   gain
         
Kara_________    14    k   gain
Laptev_______    8    k   gain
Chukchi______    1    k   gain
         
Other Seas         
Okhotsk______    11    k   gain
St Lawrence___    1    k   gain
Hudson Bay___    4    k   gain
A gain of 89 k in the last 2 days,, 43 k more than the 2010's average GAIN of 46 k.

- 2020 Area more than the 2010's average by 468 k.
- 2020 Area is MORE than 2019 by 558 k
- 2020 Area is LESS than the 2000's average by a mere 72 k

- 2020 area 13th lowest in the satellite record.

In most seas ice area is gaining - at this time of year mostly meaning the gaps are filling in
________________________________________________________________________
Freezing Outlook?

GFS says overall Arctic temperature anomalies reducing from -1.2 to -2.5 celsius over the next 5 days. Especially cold at times in the Bering Sea and north from NE Greenland to the West Siberian shore.
"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)

Stephan

  • Nilas ice
  • Posts: 1046
    • View Profile
  • Liked: 438
  • Likes Given: 175
Re: 2020 Sea ice area and extent data
« Reply #297 on: March 06, 2020, 07:45:21 PM »
Kara Sea Ice area has almost recovered to its level two weeks ago, and so Laptev seems to follow it with a time-lag.
It is too late just to be concerned about Climate Change

gandul

  • Frazil ice
  • Posts: 255
    • View Profile
  • Liked: 69
  • Likes Given: 6
Re: 2020 Sea ice area and extent data
« Reply #298 on: March 06, 2020, 11:54:12 PM »
<snip, don't compare people who ask to stay on-topic to Stasi or Gestapo, thanks; N.>
« Last Edit: March 07, 2020, 12:08:06 PM by Neven »

jdallen

  • Young ice
  • Posts: 3053
    • View Profile
  • Liked: 213
  • Likes Given: 177
Re: 2020 Sea ice area and extent data
« Reply #299 on: March 07, 2020, 02:36:24 AM »
<snip>
Replied in PM.  Please don't continue this subthread.
This space for Rent.