Monday, June 06, 2011

Exceptional heat in the South, Record rains in California

http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=1818

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A sizzling June heat wave set record high temperatures across much of Texas, Louisiana, Alabama, Mississippi, and the Florida Panhandle on Sunday. The high temperature at the Houston, Texas airport hit 105 degrees, the warmest temperature ever recorded in the month of June (old record: 104 degrees on June 24th and June 26th, 2009.) The earliest Houston ever recorded a temperature of 105 degrees prior to Sunday was July 26th, 1954. Records for Houston date back to 1891. There have been only 15 days in which the temperature has reached or exceeded 105 degrees in Houston:

4 - 1909
1 - 1954
2 - 1962
3 - 1980
5 - 2000

So far this month, new maximum temperature records in Houston have been established on four out of the first five days. Galveston and Houston both crushed their previous record high temperature for the day (June 5th) by a remarkable seven degrees.

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A large and unusually intense low pressure system moved inland over California over the weekend, bringing large areas of the state rains unheard of in June. According to our weather historian, Christopher C. Burt, rainfall at Mining Ridge on the Big Sur coast totaled 8.31" Sunday, which, if verified, would be California's heaviest 1-day June rainstorm on record. According to the document "Historic Rainstorms in California" Dept. of Water Resources, Aug. 1997, the previous maximum June daily rainfall was 5.83" at Forni Ridge on June 18, 1982. San Francisco had its 2nd greatest June 1-day rainfall, going back to 1850, and both the San Francisco and Oakland airport have now had their rainiest Junes on record. Rainfall at Santa Barbara Airport yesterday totaled 1.24 inches, the wettest June day there on record (previous record: 0.51" on June 5, 2009.) The 1.38"of rain so far this June has made it the wettest June in recorded history at Santa Barbara Airport, going back to 1941.

----- (see the article for a great picture of the convection system over California)

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