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Northern Hemisphere Ice and Snow Advance 2019/20

Kermit.de.frog · 2019-09-13 14:27:45

It's that time of year again... In the last week the annual fall in sea ice has been plateauing and the ice will soon start it's advance again for this coming winter and will continue to do so right through until around the end March. Let's keep tabs here. :cool:

Comments

#92 03-03-2021 10:29am

Danno

Registered Users Posts: 8,913 ✭✭✭

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This time of year we expect to see the greatest Arctic sea ice extent for the season. The exact date of the largest extent can range from any time in mid-February to late-March. This year is no different, after an apparent sea ice extent in mid-February, ice began to grow again in late February and has now reached 14,059,161 km2. Today's extent value is the 8th lowest on record (out of about 40 records). Will there be further gains as we go through the first half of March?

Meanwhile, in Antarctica there has been a huge increase in ice extent there, the ice extent reaches its minimum roughly around the same time as the Arctic reaches it's maximum. However, Antarctica reached it's minimum of 2.89m KM2 on February 21st roughly in line with the 1980s average ice minimum. Since then there has been almost 1 million square kilometres of ice added, extraordinary stuff!

Data: https://ads.nipr.ac.jp/vishop/#/extent

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