Record Low Arctic Sea Ice Extent for January

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Record Low Arctic Sea Ice Extent for January

Post by Joe Bese on Wed Feb 09, 2011 3:38 pm

During the Northern Hemisphere winter of 2010–2011, unusually cold temperatures and heavy snowstorms plagued North America and Europe, while conditions were unusually warm farther north. Now the U.S. National Snow and Ice Data Center (NSIDC) has reported that Arctic sea ice was at its lowest extent ever recorded for January (since satellite records began).
This image shows the average Arctic sea ice concentration for January 2011, based on observations from the Advanced Microwave Scanning Radiometer for EOS (AMSR-E) aboard NASA’s Aqua satellite. Blue indicates open water; white indicates high sea ice concentrations; and turquoise indicates loosely packed sea ice. The yellow line shows the average sea ice extent for January from 1979 through 2000.
NSIDC reported that ice extent was unusually low in Hudson Bay, Hudson Strait, and Davis Strait in the early winter. Normally frozen over by late November, these areas did not completely freeze until mid-January 2011. The Labrador Sea was also unusually ice-free.

http://earthobservatory.nasa.gov/IOTD/view.php?id=49132
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Joe Bese

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