Powerful Pacific Storm to Continue Impacting Northern California; Heavy Snow in the Appalachians and Portions of the Northeast

A strong atmospheric river will continue to impact northern California with heavy rain and life-threatening flooding through Friday. Unsettled weather is expected across much of the Northeast and Great Lakes over the next few days, including the likelihood of heavy snow in the central Appalachians and higher elevations of northeastern Pennsylvania and southern New York. 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