June 13, 2016

For some parts of the U.S., the historical probability of severe weather peaks in late spring. But where are the summer “hot spots” for severe weather?

October 14, 2015

(Video) Will the strongest El Niño in nearly 20 years affect your winter climate? The CPC's Mike Halpert discusses the seasonal outlook for Winter 2015-16.

September 11, 2015

To climb out of the bottom 20% bracket for 5-year precipitation totals, precipitation in the upcoming water year must be 135-160% of normal in northern California, 160% of normal in the Southeast, and 198% of normal in the San Joaquin Valley.

August 19, 2015

Lake Erie’s annual summer bloom is underway, and it's shaping up to be one of the most severe in the past decade.

August 14, 2015

Plants on land have helped slow global warming by capturing nearly a quarter of the carbon dioxide that human activities release in an average year. But where is it all going?

Pseudo-nitzschia cells under a microscope
August 6, 2015

From Alaska's Aleutian Islands to southern California, impacts since May have ranged from record-high concentrations of neurotoxins, to shellfish harvesting bans, to reports of sick and dead ocean life. 

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