Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

ENSO Teleconnections

What Are the Impacts of El Niño/La Niña?

Global Precipitation Impacts During El Niño and La Niña

The effects of ENSO are often called teleconnections, emphasizing that changing conditions in one part of the world can affect areas far from the source.

Impacts on the United States

The impacts of ENSO on the United States are most noticeable in the cold season.

Narratives About El Niño and La Niña Impacts (from CPC)

The Climate Prediction Center discusses how weather patterns are affected by ENSO.

Risk of Seasonal Climate Extremes (from PSL)

Will your area have an increased or decreased risk of temperature or precipitation extremes?

Composites - Local Impacts

Temperature/Precipitation Impacts by ENSO Phase

Temperature/Precipitation Probabilities During La Niña

Box and Whiskers Analysis by Climate Division

Complete Suite of Composites

Selectable ENSO Response (from PSL)

El Niño Impacts on Texas

Other Impact/Teleconnection Links

Climate Prediction Center (CPC) - ENSO Impacts Page

Physical Sciences Laboratory (PSL) - Global Composites and Extremes