Hottest November on record.

According to NASA’s Goddard Institute for Space Studies, November 2009 was the warmest November on record, beating the 2001 record by 0.02°C.  James Hansen predicts that there is a high likelihood, greater than 50 percent, depends in part upon the continuation of the present moderate El Nino for at least several months, “that 2010 will be the warmest year in the period of instrumental data.”

January-Nobember (11 months) mean is used for 2009 data. Image Credit: @NASA”]

This is an update of Fig. 1A in Hansen et al. (2006)

NOAA’s National Climatic Data Center recorded its fourth warmest November since record keeping began in 1880. The combined global land and ocean average surface temperature on November 2009 was 0.60°C (1.08°F) above the 20th century average of 12.9°C (55.2°F). NOAA recorded November 2009 the warmest November on record for the Southern Hemisphere as a whole. The land and ocean surface combined was 0.60°C (1.08°F) above the 20th century average.

According to the Australian Bureau of Meteorology (BoM), November 2009 was abnormally warm across southeastern Australia. According to the Met Office, the United Kingdom experienced its warmest November since 2003 and the seventh warmest since records began in 1914.

The period September-November 2009 was the fourth warmest on record for the season, 0.59°C (1.06°F) above the 20th century average of 14.0°C (57.1°F).

Across the equatorial Pacific Ocean, El Niño persisted during November 2009. Consequently, sea surface temperatures across the equatorial Pacific Ocean were between 1.0-2.0°C (1.8-3.6°F) above average during the month. El Niño is expected to strengthen and last through the Northern Hemisphere winter 2009-2010, according to NOAA’s Climate Prediction Center (CPC).

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