Record Low Bering Sea Ice Extent

Yearly values of the average April sea ice extent in the Bering Sea from the NSIDC passive microwave database (since 1979), showing the 2018 extent by far the lowest in the past 40 years.

Average Bering Sea Ice Extent in April

April 2018

Sea ice extent in the Bering Sea during April continued to decline during the month and was easily the lowest of record. The average sea extent for April of 146,000 km² was only 21% of the 1981-2010 average and less than half of the previous lowest April extent (in 1989). 

Sea Ice Changes

Alaska Center for Climate Assessment & Policy

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ACCAP is a NOAA Climate Program Office Climate & Societal Interactions RISA Program.

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