La Niña
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- La Niña, a phase of ENSO, is a periodic cooling of surface ocean waters in the eastern tropical Pacific along with a shift in convection in the western Pacific further west than the climatological average. These conditions affect weather patterns around the world. The preliminary CPC definition of La Niña is a phenomenon in the equatorial Pacific Ocean characterized by a negative sea surface temperature departure from normal.
NOAA National Weather Service - Cite This Source - This Definition - CNTRL, ERN, Hurricane Season, Typhoon Season, WRN