A weak El Nino is in place, but not expected to affect NW weather patterns

March 6, 2015 9:29 PM

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El Niño is associated with above-average Pacific Ocean surface temperatures along the Equator. It usually means milder and warmer winters in the Northwest, with below-average rainfall, though the conditions affect weather patterns around the globe.

"Based on the persistent observations of above-average sea surface temperatures across the western and central equatorial Pacific Ocean and consistent pattern of sea level pressure, we can now say that El Niño is here," said Mike Halpert, deputy director, NOAA's Climate Prediction Center. "Many clim...

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