El Niño - Southern Oscillation

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El Niño is associated with above-average equatorial sea surface temperatures. El Niño's signature warmth is apparent in the November 2015 map.

El Niño

24 min read

If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half…

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Trees are seen in silhouette from below.

3D view of Amazon captures effects of El Niño drought

6 min read

Three-dimensional measurements of the Amazon rainforest have given NASA researchers a detailed window into the high tree mortality that occurs…

Article6 years ago
The latest satellite image of Pacific sea surface heights from Jason-2 (left) differs slightly from one 18 years ago from Topex/Poseidon (right). In Dec. 1997, sea surface height was more intense and peaked in November. This year the area of high sea levels is less intense but considerably broader. Credit: NASA/JPL-Caltech.

A still-growing El Niño set to bear down on U.S.

7 min read

The current strong El Niño brewing in the Pacific Ocean shows no signs of waning, as seen in a new…

Article9 years ago
NASA Earth Observatory image by Jesse Allen, using Jason-2 data provided by Akiko Kayashi and Bill Patzert, NASA/JPL Ocean Surface Topography Team. Credit: NASA. Data acquired April to July 2015.

El Niño conditions are growing stronger

6 min read

El Niño conditions have strengthened this year despite scientists' expectations that the event would be too weak and too late…

Article9 years ago