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Turquoise represents ice present in 2012 which wasn’t present at the 2007 minimum. Red shows the opposite. There is 12% more ice than there was at the 2007 minimum.
http://www.natice.noaa.gov/pub/ims/ims_gif/DATA/cursnow_alaska.gif
ims2007262_alaska.gif (512×512)
The next map shows the changes since Monday.
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