Provided by The Weather Café®

SEA SURFACE TEMPERATURES PLAY A KEY ROLE IN WEATHER PATTERNS

It is Interesting to note the sea surface temperature of the Pacific Ocean west of the PNW for June 20, 2010, as compared to the same for June 13, 2009. Much COLDER SSTs are noted for Pacific, relative to last year. A mild La Nina is also setting up in the Pacific tropical zone (look west of South America) - which is opposite of last year at this time. Also, compare Atlantic sea surface temps west of Africa and in the Caribbean / Gulf of Mexico 2009 to 2010. Much warmer water can fuel tropical depressions into stronger storms.

SST June 20, 2010
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SST June 13, 2009