El Niño/La Niña.

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Presentation transcript:

El Niño/La Niña

La Niña El Niño

Walker Cell (normal)

Reversed during El Niño

El Niño Effects on U.S. Above normal temperatures, even in AK in the northern states during the winter. Gulf area has much lower temperatures in the winter. Gulf also has more precipitation. Increase in precip. in CA, and thus, Utah. Increase in snowfall in Rockies

La Niña Effects Drier across the nation. Hot and dry summers. Wetter winters in the NW and the North Central of the U.S. Higher chances of hurricane in Gulf coast area.

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