Severe Thunderstorms and Excessive Rainfall in the Central U.S.

Thunderstorms, some severe, may produce heavy to excessive rainfall over portions of the Central/Southern Plains, Mississippi Valley and Southeast. Dry and windy conditions will pose an elevated fire weather risk over parts of western Florida. Read More >

El Niño/La Niña Information

Final La Niña Advisory Issued

After just a few months of La Niña conditions, ENSO-neutral conditions have returned and are favored through the fall (August-October).

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.

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