
File name: strat_anom_wint2011_amsu.png
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From January through March 2011, monthly average temperatures in the Arctic stratosphere were colder than usual. Places where temperatures were up to 9 degrees Celsius warmer than the long-term average (1979-2009) are red, while places where temperatures were up to 16 degrees cooler than average are blue. Colder-than-usual temperatures dominated the stratosphere all three months, especially in March.