Extreme Weather

The U.S. Climate Extremes Index brings together several indicators to chart the occurrence of extreme events in the United States.

Halloween 1991 was no treat for many residents in Iowa and Minnesota who were buried under several feet of snow and up to 3 inches of ice.

In honor of Independence Day, we take a look at typical July climate conditions and Climate Normals for several patriotic locations.

The science of explaining extreme weather events continues to advance.

On back-to-back Sundays in January 1982, several Colorado communities bore the brunt of damaging Chinook winds.

Fifty years ago, a high-stakes football rivalry and extreme weather contributed to the making of the Ice Bowl of 1967.

A new report investigates the causes of a wide variety of extreme weather and climate events from around the world in 2016.

A new paper delves into the many connections linking extreme climate events and human health.

The November 22–30, 1950, Great Appalachian snowstorm ranked as a Category 5 event for the Ohio Valley on the Regional Snowfall Index.

Get to know our billion-dollar weather and climate disasters information, how it’s calculated, what it tells us, and why it’s so important.