Includes natural processes within the climate system: orbital patterns, solar radiation, oceans, atmosphere, water cycle, the natural greenhouse effect, carbon cycle, regional climates and differences between climate and weather.

August 9, 2021

The findings of their review of more than 14,000 studies are clear: climate change is affecting nearly every part of the planet, and there is no doubt that human activities are the cause.

August 3, 2021

The August 2021 Climate outlook favors a wetter-than-average month across the Southwest and Southeast and above-average temperatures across much of the contiguous U.S..

June 23, 2021

An early summer heatwave across the drought-stricken West smashed records in seven states as temperatures cleared 100 degrees Fahrenheit for days on end. 

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

On June 3, 2021, our ENSO Bloggers did a Tweet Chat to talk all things El Niño and La Niña. Here's the transcript.

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. 

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.

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