Start Date: End Date: Published Date Data Date
El Niño Strengthening
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Published October 13, 2015
With each passing month, 2015 looks more and more like 1997.
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El Niño Conditions Are Growing Stronger
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Published August 5, 2015
Weakening trade winds are allowing warm water to move east across the Pacific in a telltale pattern.
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Weak El Niño, but Hints of Pacific Change
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Published March 25, 2015
Ocean conditions are not likely to help drought-stressed regions this spring. However, some broader changes might be coming in the Pacific.
Is El Niño Developing?
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Published May 14, 2014
Conditions in May 2014 look similar to those in May 1997, a year that brought one of the most potent El Niño events of the 20th century.
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Pacific Waters Remain Stubbornly Stable
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Published September 12, 2013
Neutral, or La Nada, conditions persist in the equatorial Pacific Ocean, frustrating climate forecasters.
La Niña comes to a close
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Published May 4, 2012
After appearing for two consecutive winters, La Niña appears to be taking some time off.
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Strong La Niña in December 2010
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Published December 24, 2010
These images show that the central and eastern Pacific Ocean was unusually cold in December 2010, a tell-tale sign of La Niña. The associated rainfall map shows that La Niña was impacting weather in parts of the globe.
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Kelvin Wave Renews El Niño
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Published March 21, 2010
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.
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