This website is an ARCHIVED version of NOAA Climate.gov as of June 25, 2025. Content is not being updated or maintained, and some links may no longer work.
Climate.gov's most requested El Niño and La Niña images
U.S. impacts of El Niño & La Niña
The atmosphere during El Niño and La Niña: the Walker Circulation
Global impacts of El Niño & La Niña during summer & winter
Impacts of ENSO on US hurricanes
U.S. winter temperature for every El Niño since 1950
U.S. winter precipitation for every El Niño since 1950
U.S. winter temperature for every La Niña since 1950
U.S. winter precipitation for every La Niña since 1950
Impact of El Niño & La Niña on U.S. hurricane seasons
Impact of El Niño & La Niña on U.S. tornadoes and hailstorms
Monthly images of sea surface temperatures in the tropical Pacific
Ocean temperatures during the 1997-98 El Niño & 1988-89 La Niña