El Niño/La Niña Information

El Niño conditions may continue through the upcoming summer.


ENSO Diagnostic Discussion

This monthly summary is prepared by the experts at the Climate Prediction Center (CPC).

The discussion is also available in pdf and Word formats.


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.


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


 El Niño Observations (from NOAA)

 Today's El Niño/La Niña Information (from PMEL-TAO)

 Latest El Niño Data (from PMEL-TAO)

 Current State of the Tropical Pacific (from CDC)






IRI ENSO Model Forecasts


 CPC's El Niño Diagnostic Discussion

 CFS Model Forecasts (from CPC)

 Forecasts from the Tropical Atmosphere Ocean Project (TAO)

 Climate Diagnostics Center (CDC) - El Niño Forecasts

 CDC Model Forecasts (technical)

 Summary of ENSO Model Forecasts (from IRI)




Quick Links


 NOAA El Niño Page

 NOAA El Niño Theme Page (PMEL-TAO)

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

 CPC's Weekly ENSO Update (available in pdf or ppt)

 Climate Diagnostics Center (CDC) - ENSO Information

  International Research Institute for Climate and Society (IRI)






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