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Snow And Ice In The Northern Hemisphere Autumn/Winter 2015/16


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Posted
  • Location: Chandlers Ford, south of Winchester.
  • Location: Chandlers Ford, south of Winchester.

Great to see the countdown to winter is underway!

Approx 2 1/2 weeks of the ice melt season remaining before we see the uptick and the re-freeze commence around the 17th Sept. Figures look like we're on a par with 2011 but no-where the catastrophic melt season of 2012.

https://ads.nipr.ac.jp/vishop/data/graph/plot_extent_n_v2.csv

Let the fun and games begin!!!

Clem

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Posted
  • Location: Headington,Oxfordshire
  • Weather Preferences: Snow
  • Location: Headington,Oxfordshire

The past two days show a bit more pixels in russia :D

Slowly slowly catch a monkey! Or polar bear

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Posted
  • Location: Near King's Lynn 13.68m ASL
  • Weather Preferences: Hoar Frost, Snow, Misty Autumn mornings
  • Location: Near King's Lynn 13.68m ASL

Should see some decent cover over Alaska in a few days or so, and this morning's models show some snow into Northern Scandi next week. Of course it will wax and wane at this early stage.

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Posted
  • Location: Chandlers Ford, south of Winchester.
  • Location: Chandlers Ford, south of Winchester.

Massive loss of 137kmsq yesterday which may prove to be an error as that's a big loss at any time of year but especially now.

If correct, it's taken us below 2011 and closing in on the second worst melt season of 2007.

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

Massive loss of 137kmsq yesterday which may prove to be an error as that's a big loss at any time of year but especially now.

If correct, it's taken us below 2011 and closing in on the second worst melt season of 2007.

 

There is currently a storm system moving over the Pacific side of the Arctic. That also happens to be a region with a lot of weak, fragmented ice cover.

 

In 2012, we saw a similar thing happen early in August but with a much bigger storm, with massive extent drops over a few days. We're unlikely to see anything as bad this time, but we shouldn't be surprised to see some anomalous daily variations, from errors introduced by the cloud and precip, from sea ice being dispersed and from melt due to the rough seas churning up warmer waters.

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

August was ranked as the 14th lowest snow cover for the northern hemisphere (close to average for North America, 9th lowest for Eurasia).

http://climate.rutgers.edu/snowcover/table_rankings.php?ui_set=1

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Posted
  • Location: Stockport
  • Location: Stockport

August was ranked as the 14th lowest snow cover for the northern hemisphere (close to average for North America, 9th lowest for Eurasia).

http://climate.rutgers.edu/snowcover/table_rankings.php?ui_set=1

It seems like North America in recent years has been near/above average, but Eurasia has been below. Is this accurate? If so, why?

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Posted
  • Location: Ireland, probably South Tipperary
  • Weather Preferences: Cold, Snow, Windstorms and Thunderstorms
  • Location: Ireland, probably South Tipperary

It seems like North America in recent years has been near/above average, but Eurasia has been below. Is this accurate? If so, why?

 

Might be related to the persistent ridge along the west coast. That could be driving the Arctic air down into Canada and into the central and eastern US, increasing North American snow cover maybe?

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Posted
  • Location: Stockport
  • Location: Stockport

Might be related to the persistent ridge along the west coast. That could be driving the Arctic air down into Canada and into the central and eastern US, increasing North American snow cover maybe?

Maybe, but does that not make much of the western half of North America warmer and drier in Winter? Saying that, snowcover can still probably persist there in spite of the positive anomalies more readily, due to the higher elevation in the lower 48 and higher latitude in Alaska. Cold in the east, especially further south, will obviously help retain snowcover in areas that may not/don't usually sustain it as well, such as Alabama, Georgia etc.

Well, that's my simplistic take on a complex matter, anyway! :)

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Posted
  • Location: Southend on Sea, London, Jarnac in France
  • Location: Southend on Sea, London, Jarnac in France

A few more white pixels appearing in Canada and Asia

 

ims2015248_asiaeurope.gif

 

FC

Edited by frozencanals
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Posted
  • Location: Nr Chelmsford, Essex
  • Weather Preferences: Hurricanes, Thunderstorms and blizzards please!
  • Location: Nr Chelmsford, Essex

Very slight amounts of ice growth around the Russian side today.

 

Nice to see this thread open again, I can't believe that I could have created such a monster the 5 years ago when I first created this thread :-)

 

Long may it run!

 

Oh, so it's your fault I start thinking about winter in early September is it?  You've ruined autumn for me (but this is a ruddy good thread though!).

 

Not much change from yesterday, but at least I've popped my cherry on this thread for 2015.

 

cursnow_asiaeurope.gif

Edited by Ice Day
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Posted
  • Location: Port Glasgow, Inverclyde, Scotland. 200m ASL.
  • Weather Preferences: Thundery summers, very snowy winters! Huge Atlantic Storms!
  • Location: Port Glasgow, Inverclyde, Scotland. 200m ASL.

Todays update doesn't show much difference if you ask me.

http://www.natice.noaa.gov/pub/ims/ims_gif/DATA/cursnow_asiaeurope.gif

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Posted
  • Location: Port Glasgow, Inverclyde, Scotland. 200m ASL.
  • Weather Preferences: Thundery summers, very snowy winters! Huge Atlantic Storms!
  • Location: Port Glasgow, Inverclyde, Scotland. 200m ASL.

More snow in Russia today, slowly but surely :D  http://www.natice.noaa.gov/pub/ims/ims_gif/DATA/cursnow_asiaeurope.gif

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