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What is El Niño?
El Niño is a somewhat unusual behavior
(Figure 1) of the
ocean circulation in the tropical Pacific Ocean that leads to changes in
weather patterns in that region and, through this ocean-atmosphere
linkage, affects weather worldwide
(Figure 2).
For an overview on El Niño, go to the
El Niño homepage of the
Pacific Marine Environmental Laboratory (PMEL) of the National
Oceanic and Atmospheric Administration.
