| Every Second Counts - Science Insider
Reported January 2008
ABOUT EL NINO: El Niņo is a cyclical warming of the ocean waters in the central and eastern tropical Pacific that generally occurs every three to seven years, usually around the holidays. It is associated with changes in air pressure and the movement of high-level winds, and can affect weather worldwide. In the United States, En Niņo normally results in warmer-than-normal temperatures across the northern and western states. Wetter conditions result in the south, with dry weather across the Ohio Valley and Pacific Northwest. El Niņo typically peaks during the winter months. It alternates with La Niņa, the cooling of ocean waters in the same region of the Pacific.
If you would like more information, please contact:
Dr. Jean O. Dickey
Physicist
Jet Propulsion Laboratory
Pasadena, CA 91109-8099
(818) 354-3235
jean.o.dickey@jpl.nasa.gov
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