Warmest seas on record for June

July 27th, 2009 | by Nick |

According to NOA, the world’s ocean surface temperature was the hottest on record for June, breaking the previous reoord of 2005.  If the ocean surface temperature are combined with with land temperatures, June was the second warmest since global records began in 1880.

According to NOAA:

Global Climate Statistics

  • The combined global land and ocean surface temperature for June 2009 was the second warmest on record, behind 2005, 1.12 degrees F (0.62 degree C) above the 20th century average of 59.9 degrees F (15.5 degrees C).
  • Separately, the global ocean surface temperature for June 2009 was the warmest on record, 1.06 degrees F (0.59 degree C) above the 20th century average of 61.5 degrees F (16.4 degrees C).
  • Each hemisphere broke its June record for warmest ocean surface temperature. In the Northern Hemisphere, the warm anomaly of 1.17 degrees F (0.65 degree C) surpassed the previous record of 1.12 degrees F (0.62 degree C), set in 2005. The Southern Hemisphere’s increase of 0.99 degree F (0.55 degree C) exceeded the old record of 0.92 degree F (0.51 degree C), set in 1998.
  • The global land surface temperature for June 2009 was 1.26 degrees F (0.70 degree C) above the 20th century average of 55.9 degrees F (13.3 degrees C), and ranked as the sixth-warmest June on record.

Notable Developments and Events

  • El Niño is back after six straight months of increased sea-surface temperature anomalies. June sea surface temperatures in the region were more than 0.9 degree F (0.5 degree C) above average.
  • Terrestrial warmth was most notable in Africa. Considerable warmth also occurred in Siberia and in the lands around the Black and Mediterranean Seas. Cooler-than-average land locations included the U.S. Northern Plains, the Canadian Prairie Provinces, and central Asia.
  • Arctic sea ice covered an average of 4.4 million square miles (11.5 million square kilometers) during June, according to the National Snow and Ice Data Center. This is 5.6 percent below the 1979-2000 average extent. By contrast, the 2007 record for the least Arctic sea ice extent was 5.5 percent below average. Antarctic sea ice extent in June was 3.9 percent above the 1979-2000 average.
  • Heavy rain fell over central Europe, triggering mudslides and floods. Thirteen fatalities were reported. According to reports, this was central Europe’s worst natural disaster since the 2002 floods that claimed 17 lives and caused nearly $3 billion in damages.

From NOAA

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