National Weather Service United States Department of Commerce

Above Normal Temperatures for the West; Wet Weekend in the Southern Plains

Widespread well-above average temperatures are forecast for portions of the West and north-central U.S. this weekend. Isolated strong to severe thunderstorms and heavy rain will impact west Texas Saturday. The severe weather threat in Hawaii will diminish through the day. Read More >

El Niño/La Niña Information
 


 

La Niña Watch

El Niño conditions are fading, with a transition to ENSO-neutral expected during the spring.
La Niña will likely return this summer.

 

 

Weekly Update

The Climate Prediction Center (CPC) creates a weekly ENSO summary (with graphics), available in pdf or ppt formats.

 

Monthly Update - ENSO Diagnostic Discussion

This monthly summary from CPC is also available in pdf and Word formats.

 

ENSO Blog

This collaborative blog discusses the latest about El Niño and La Niña.

 


 

All About ENSO

 

  An Introduction to the El Niño/Southern Oscillation

The above link provides a basic overview of ENSO (El Niño/Southern Oscillation).  Various links to other summaries and tutorials are also provided.

 An Explanation of ENSO Indices

Descriptions of various ENSO indices are accompanied by an explanation of how the indices are used to detect/declare an El Niño or La Niña event.

Niño Regions

 Teleconnections

El Niño and La Niña primarily affect the weather during the cold season.  What effects does the ENSO phase have on North Texas?  Click the Teleconnections link to find out!

 


 

Current Data

 

Sea Surface Temperatures

 Current Conditions (from CPC)

Various observations, including sea surface temperature animations.

 Images of Current Data (from PSL)

 


 

Forecasts

 

IRI/CPC Model ENSO Predictions

 

 

CPC/IRI Probabilistic ENSO Forecast

 

 

 ENSO Forecasts (from PSL)

 ENSO Forecast (from IRI)

 


 

Quick Links

 

 Climate Prediction Center (CPC) - El Niño/La Niña Home

      ► Weekly ENSO Update (available in pdf or ppt)

      ► Monthly ENSO Diagnostic Discussion (available in pdf or Word)

 Climate.gov - ENSO Information

  Physical Sciences Laboratory (PSL) - ENSO Information

 Pacific Marine Environmental Laboratory (PMEL) - El Niño Theme Page

  International Research Institute for Climate and Society (IRI) - ENSO Resources