Wednesday, September 13, 2006

El Nino forms in Pacific Ocean

CNN.com - El Nino forms in Pacific Ocean 6 From Reuter's

El Nino, an extreme warming of equatorial waters in the Pacific Ocean that wreaks havoc with world weather conditions, has formed and will last into 2007, the U.S. National Oceanic and Atmospheric Administration said Wednesday.

El Nino has already helped make the Atlantic hurricane season milder than expected, said a NOAA forecaster.

"The weak El Nino is helping to explain why the hurricane season is less than we expected. El Ninos tend to suppress hurricane activity in the Atlantic," said Gerry Bell, a hurricane forecaster for NOAA.

The NOAA's Climate Prediction Center said the El Nino probably will spur warmer-than-average temperatures this winter over western and central Canada and the western and northern United States.

It said El Nino also will cause wetter-than-average conditions in the U.S. Gulf Coast and Florida, and spark dry conditions in the Ohio valley, the Pacific Northwest and most U.S. islands in the tropical Pacific.

An El Nino also usually leads to milder winter weather in the U.S. Northeast, the top heating oil market in the world.

Bell said scientists will have a better idea in the fall how long this El Nino will last. "There's no way to say at this time how strong it is going to be. It's too early," he said.

The last severe El Nino struck in 1997-1998. The weather phenomenon caused searing drought in Indonesia, Australia and the Philippines while causing rampant flooding in Ecuador and Chile, the world's top producer of copper.