El Niño/La Niña Update (September 2011)
2011年09月01日
![Cyclone over Pacific. Massive cyclone related to El Nino phenomena swirling over the Pacific Ocean.](/sites/default/files/styles/featured_image_x1_768x512/public/2023-06/AdobeStock_599303208.jpeg?h=ac778ff2&itok=09k-YN2B)
Adobe Stock / Microgen
Neutral conditions have prevailed over the tropical Pacific, following the dissipation
of the 2010-11 La Niña event by early May 2011. However, a few weak remnants of
La Niña have persisted, particularly in some atmospheric features, and in recent
weeks the surface as well as sub-surface waters in the eastern and central tropical
Pacific Ocean have also cooled. Model forecasts and expert interpretation suggest
persistence of near-neutral conditions or the re-emergence of La Niña conditions.
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