Arctic land, such as Greenland and Alaska, much warmer than usual

If you live nearly anywhere in North America, Europe, or Asia, it?s no news that December 2009 and early January 2010 were cold. Much of the Northern Hemisphere experienced cold land surface temperatures, but the Arctic was exceptionally warm.



This image illustrates how cold December was compared to the average of temperatures recorded in December between 2000 and 2008. Blue points to colder than average land surface temperatures, while red indicates warmer temperatures. This weather pa [...]

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