US scientists on Thursday said that the El Niño warming trend of the Pacific Ocean waters has returned, bringing with it almost certain changes in weather patterns around the world.
The El Niño climatological effect -- the periodic warming of central and eastern tropical Pacific waters -- occurs on average every two to five years and typically lasts about 12 months.
The US National Oceanic and Atmospheric Administration said in a statement that the current El Niño was likely to develop further during the next several months, with additional strengthening possible and is expected to last through early 2010.
Thursday, July 09, 2009
He's B-A-C-K!
El Niño!:
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