December Arctic Ice Returning to Mean

Science Matters

The image is an animation of MASIE ice charts over the last 16 days from Nov. 21 to yesterday, Dec. 7, 2019.   At the top is Kara Sea icing, along with Barents, both higher than the 12 year average at this time.  On the left Laptev and East Siberian have filled with ice.  Chukchi on the bottom left was mostly water, but in the last two weeks added 250k km2 up to 742k km2, now 77% of March maximum.  Bottom center shows Beaufort Sea and CAA filled with ice. On the right, Hudson Bay is making great progress freezing from its west coast inward, tripling in two weeks up to 816k km2, 65% of March max.

MASIE daily results for mid November to yesterday show 2019 ice recovering steadily, reducing the deficit to average.
Because several seas are already maxed out, Arctic ice extent recovery slows down in this period…

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