Hottest May on record

[SAMI KUNWAR]

Hello

According to NOAA, May 2010 was the hottest May on record globally, over land, and over the northern hemisphere. It was the second hottest May in the southern hemisphere.

Global Highlights

• The combined global land and ocean average surface temperature for May 2010 was 0.69°C (1.24°F) above the 20^th century average of 14.8°C (58.6°F). This is the warmest such value on record since 1880.
• For March–May 2010, the combined global land and ocean surface temperature was 14.4°C (58.0°F) — the warmest March-May on record. This value is 0.73°C (1.31°F) above the 20^th century average.
• The combined global land and ocean average surface temperature for January–May 2010 was the warmest on record. The year-to-date period was 0.68°C (1.22°F) warmer than the 20^th century average.
• The worldwide ocean surface temperature for May 2010 was the second warmest May on record, behind 1998, 0.55°C (0.99°F) above the 20^th century average of 16.3°C (61.3°F).
• The seasonal (March–May 2010) worldwide ocean surface temperature was the second warmest such period on record, 0.55°C (0.99°F) above the 20^th century average of 16.1°C (61.0°F).
• The global land surface temperatures for May and the March–May period were the warmest on record, at 1.04°C (1.87°F) and 1.22°C (2.20°F) above the 20^th century average, respectively.
• In the Northern Hemisphere, both the May 2010 average temperature for land areas, and the hemisphere as a whole (land and ocean surface combined), represented the warmest May on record. The Northern Hemisphere ocean temperature was the second warmest May on record. The average combined land and ocean surface temperature for the Northern Hemisphere was also record warmest for the March–May period.
• El Niño ended during May 2010. Sea surface temperature anomalies in the eastern equatorial Pacific Ocean cooled below the El Niño threshold, signifying a return to ENSO-neutral conditions. According to NOAA's Climate Prediction Center, sea surface cooling could result in a La Niña during the Northern Hemisphere summer 2010.

SOURCE: NOAA website <http://www.noaa.gov/>

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