El Niño Expected to Stay Strong

December 10, 2015, 4:30 PM UTC
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El Nino related flooding, Salinas, California, February 1998. El Nino is caused by weak westward trade winds which allow warm water to remain near South America. This mass of warm water affects global weather, causing massive storms on the American contin
Photograph by Paul Sequeira — Getty Images

A U.S. government weather forecaster on Thursday said that the El Nino weather phenomenon under way is expected to remain strong through the Northern Hemisphere winter 2015-16, before transitioning to neutral during late spring or early summer.

The Climate Prediction Center (CPC), an agency of the National Weather Service, in its monthly forecast broadly maintained its outlook for strong El Nino conditions likely to persist through the winter.