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Arctic Storm Further Reduces Ice Concentrations
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Aug 10, 2012
Arctic Storm Further Reduces Ice Concentrations

An unusually strong storm moved across the Arctic earlier this week, bringing heavy winds and rain to Alaska and locations poleward. One of the most pronounced effects of the storm was a shift in Arctic sea ice concentrations. This image uses data from the SSMI/S microwave sensor on board the DMSP satellite to show the sea ice concentrations on August 1st and 8th, before and after the storm. Large reductions in extent and concentration can be seen in the left-hand side of each image where the Bering Sea empties into the Arctic Ocean. The sea ice, already at record-low concentrations this summer, is also incredibly thin after several years of intense summer melting, making the movement of ice flows very susceptible to large storm events such as the one this week. Often the thin ice flows are piled up along the northern Canadian and Greenland borders, which appears to have also happened in this case as concentrations are slightly higher in the latter image in those regions.

Referral:Sea ice data from the National Snow and Ice Data Center
Terms of Use:Please credit NOAA
Keywords:sea ice, Arctic, SSMI/S, 2012.08.10 logo
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