January 2010 Global Tropospheric Temperature Map

February 9th, 2010 by Roy W. Spencer, Ph. D.

Here’s the UAH lower tropospheric temperature anomaly map for January, 2010. As can be seen, Northern Hemispheric land, on a whole, is not as cold as many of us thought (click on image for larger version). Below-normal areas were restricted to parts of Russia and China, most of Europe, and the southeastern United States. Most of Canada and Greenland were well above normal:
It should also be remembered that lower tropospheric temperature anomalies for one month over a small region are not necessarily going to look like surface temperature anomalies.

Since January 2010 was the third-warmest month in the 32-year satellite record, it might be of interest to compare the above patterns with the warmest month of record, April, 1998, which was an El Nino year, too:

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