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Images related to El Nino Resurging in November 2009

Kelvin Wave Renews El Niño
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Kelvin Wave Renews El Niño

A trio of globes of sea surface height anomalies shows a deep pulse of warm water—a Kelvin wave—crossing the Pacific Ocean in February 2010. Kelvin waves strengthen and maintain El Niño episodes.

Published Mar 21, 2010

Image of the Day Heat Water

El Niño Conditions Are Growing Stronger
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El Niño Conditions Are Growing Stronger

Weakening trade winds are allowing warm water to move east across the Pacific in a telltale pattern.

Published Aug 5, 2015

Image of the Day Heat Water

Weak El Niño, but Hints of Pacific Change
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Weak El Niño, but Hints of Pacific Change

Ocean conditions are not likely to help drought-stressed regions this spring. However, some broader changes might be coming in the Pacific.

Published Mar 25, 2015

Image of the Day Heat Water

Where is La Nina?
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Where is La Nina?

Published Jul 18, 2003

Image of the Day Water