National Oceanic and
Atmospheric Administration
United States Department of Commerce
Australia drought by Gerald Simmons
Blanco Texas flooding Jun 3 2015 Urban_Search_and_Rescue_team,_Texas_Task_Force_2_and_members_of_the_Texas_State_Guard by Jocelyn Augustino from FEMA
Australia Night Fire by Sascha Grant

What's New

November 09, 2020
Book cover of "El Nino Southern Oscillation in a Changing Climate" with an image of the Pacific Ocean and the US with a red band along the equator and along the US Southwest Coastline representing warmer than normal temperatures

Satellite sea surface temperature departure for October 2015 over the Pacific. Orange-red colors indicate above normal temperatures, indicative of an El Niño condition. The 2015-16 El Niño was the first extreme El Niño of the 21st century and among the three strongest El Niños on record. Credit: NOAA National Environmental Satellite, Data, and Information Service (NESDIS)

November 09, 2020

The El Niño Southern Oscillation (ENSO) in the Pacific Ocean has major worldwide social and economic consequences through its global scale effects on atmospheric and oceanic circulation, marine and terrestrial... more

In the News

November 09, 2020

A new book highlights research progress on El Niño Southern Oscillation dynamics and impacts and how they may change in a warmer world. McPhaden is a co-editor.

May 07, 2020

Climate change could trigger an ancient El Niño-like pattern in the Indian Ocean that would create extreme weather such as floods, storms and droughts across the globe.... more

May 06, 2020

Global warming is approaching a tipping point that during this century could reawaken an ancient climate pattern similar to El Niño in the Indian Ocean, new research led... more