SPherical map of tropical Pacific showing the Dec 2020 temperature anomaly
June 1, 2021

On June 3, 2021, join the ENSO Bloggers for a Tweet Chat to talk all things El Niño and La Niña.

May 3, 2021

The May 2021 outlook favors warmth for the southern half of the country and a wet East-dry West split.

April 2, 2021

The April 2021 climate outlook tilts warmer than average for most of the country and drier than average across the southern tier of the United States.

March 30, 2021

During late March 2021, a powerful storm system brought drenching rains and widespread flash flooding across Tennessee. It was the wettest March day in Nashville's history. 

March 2, 2021

A warmer-than-average start to spring is favored for the central and eastern United States while a drier-than-average March is likely across the southern tier of the contiguous U.S.

February 1, 2021

The February 2021 outlook favors a colder- and wetter-than-average month for much of the northern and central United States.

January 15, 2021

Despite the influence of La Niña, December 2020 was the eighth-hottest December on record helping 2020 become the second-hottest year on record. 

January 4, 2021

January 2021 is favored to be wetter and warmer than average for much of the country.

December 15, 2020

November 2020 was the second-warmest November on record, which increases 2020's chance of becoming the warmest year on record to over 50%.

Coral before and after bleaching
December 16, 2020

El calentamiento global y el cambio climático relacionado están impactando negativamente a las especies y hábitats de todo el país, incluyendo muchas que son económica y culturalmente importantes para los estadounidenses.

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