
El Niño–Southern Oscillation - Wikipedia
The Southern Oscillation Index from 1876 to 2025. The Southern Oscillation is the atmospheric component of El Niño. This component is an oscillation in surface air pressure between the tropical …
El Niño & La Niña (El Niño-Southern Oscillation) - NOAA Climate.gov
Apr 10, 2025 · El Niño and La Niña are the warm and cool phases of a natural climate pattern across the tropical Pacific known as the El Niño-Southern Oscillation, or “ENSO” for short.
Southern Oscillation | El Niño, La Niña & Climate Change - Britannica
Southern Oscillation, in oceanography and climatology, a coherent interannual fluctuation of atmospheric pressure over the tropical Indo-Pacific region. The Southern Oscillation is the …
What are El Nino and La Nina? - NOAA's National Ocean Service
El El Nino and La Nina are complex weather patterns resulting from variations in ocean temperatures in the Equatorial Pacific.
What is ENSO? - National Weather Service
What is El Niño-Southern Oscillation (ENSO)? Note: Most of the information in this article is courtesy of climate.gov. The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving …
El Niño Southern Oscillation (ENSO) - World Health Organization …
Nov 9, 2023 · WHO fact sheet on the El Niño Southern Oscillation (ENSO), including key facts, health impacts and preparedness, and WHO's response.
The El Niño Southern Oscillation - NC Climate Education -
The El Niño Southern Oscillation, or ENSO, describes water temperatures in the eastern tropical Pacific Ocean and the linkages to weather and climate patterns around the world. ENSO tends to be the …
The El Niño-Southern Oscillation and Drought Outlook in the United ...
Sep 8, 2025 · The El Niño-Southern Oscillation (ENSO) is a recurring phenomenon defined by shifts in tropical Pacific Ocean sea surface temperatures, ocean currents, and overlying atmospheric winds. …
El Niño Southern Oscillation | MyNASAData
El Niño Southern Oscillation If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half a world away—study El Niño.
What Is the El Niño-Southern Oscillation? | Earth.Org
Jan 17, 2023 · The El Niño-Southern Oscillation (ENSO) circulates the weather we experience across Earth. As the global climate changes as a result of a human-triggered rise in greenhouse gas …