Wednesday, July 7, 2010

La Nina likely to develop in coming months: UN weather body

Terra Daily: The UN weather agency said Tuesday that El Nino, which wreaks havoc around the Pacific and east Africa, has dissipated, but La Nina -- another disruptive weather phenomenon, is likely to develop. "Following the rapid dissipation of El Nino in early May 2010, cool-neutral to weak La Nina conditions have developed in the tropical Pacific," said the World Meteorological Organisation in a statement.

"These conditions are more likely than not to strengthen into a basin-wide La Nina over the coming months." The WMO said however, that "the timing and magnitude of such an event in 2010 are as yet uncertain."...

This image compares the water temperatures observed between January 25 and February 1, 2006, to long-term average conditions for that time period. The recent data were collected by the Advanced Microwave Scanning Radiometer for EOS (AMSR-E). Red shows where sea surface temperatures are warmer than normal and blue where they are colder than normal. A large swath of the Pacific near the Equator is cooler than normal. In other words, a w:La NiƱa condition is in effect.

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