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Topic: El Nino, La Nina, ENSO

Still image from NOAA's Climate Prediction Center Monthly Outlook.

NOAA declares the arrival of El Nino

June 8, 2023

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El Nino, La Nina, ENSO

Still image from NOAA's Climate Prediction Center Monthly Outlook.

This world map shows sea surface temperature anomalies during one of the strongest El Nino events on record in 2016. The red colors indicate warmer-than-average ocean temperatures, while blue values are cooler-than-average temperatures.

What to watch for: El Nino likely to develop this summer

April 13, 2023

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El Nino, La Nina, ENSO

This world map shows sea surface temperature anomalies during one of the strongest El Nino events on record in 2016. The red colors indicate warmer-than-average ocean temperatures, while blue values are cooler-than-average temperatures.

Globe-style map of sea surface temperature patterns January 2023.

La Niña is officially over: Here's what to expect

March 9, 2023

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El Nino, La Nina, ENSO

Globe-style map of sea surface temperature patterns January 2023.

Globe-style map of sea surface temperature patterns January 2023.

Is La Niña really coming to an end?

February 21, 2023

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El Nino, La Nina, ENSO

Globe-style map of sea surface temperature patterns January 2023.

Juvenile coho swim in a rocky river.

How El Niño and La Niña affect Pacific salmon

August 16, 2022

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El Nino, La Nina, ENSO

Juvenile coho swim in a rocky river.

technicians workin on a TAO buoy on the open sea with an approaching ship in the distance

Ocean and coastal observing systems - National Weather Service

May 24, 2022

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Bipartisan Infrastructure Law

measurements and observations

El Nino, La Nina, ENSO

technicians workin on a TAO buoy on the open sea with an approaching ship in the distance

What La Nina looks like: This graphic shows cooler-than-average sea surface temperatures along the equator is indicative of La Nina in the tropical Pacific Ocean in September 2021.

Double-dip La Nina emerges

October 14, 2021

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El Nino, La Nina, ENSO

What La Nina looks like: This graphic shows cooler-than-average sea surface temperatures along the equator is indicative of La Nina in the tropical Pacific Ocean in September 2021.

This is a what a typical winter La Nina pattern looks like as it affects the United States.

La Nina develops during peak hurricane season

September 10, 2020

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El Nino, La Nina, ENSO

This is a what a typical winter La Nina pattern looks like as it affects the United States.

Sea surface temperatures.

El Nino conditions are here

February 22, 2019

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El Nino, La Nina, ENSO

Sea surface temperatures.

This image shows the difference from average sea surface temperatures at the Equator in the tropical Pacific during January 2019, as compared with the period from 1981-2010. On February 14, 2019, NOAA announced that El Nino has arrived, but it's likely to be weak with little influence on weather through early Spring 2019.

NOAA announces the arrival of El Nino

February 14, 2019

Focus areas:

Topics:

El Nino, La Nina, ENSO

This image shows the difference from average sea surface temperatures at the Equator in the tropical Pacific during January 2019, as compared with the period from 1981-2010. On February 14, 2019, NOAA announced that El Nino has arrived, but it's likely to be weak with little influence on weather through early Spring 2019.

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