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Extreme Weather

A Single Index for Measuring Extremes

August 9, 2018
The U.S. Climate Extremes Index brings together several indicators to chart the occurrence of extreme events in the United States.

On This Day: The Halloween Blizzard of 1991

August 8, 2018
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.

Bold Stripes, Bright Stars, Warm Climate

August 21, 2018
In honor of Independence Day, we take a look at typical July climate conditions and Climate Normals for several patriotic locations.

Advancing the Study of Extreme Events

September 21, 2018
The science of explaining extreme weather events continues to advance.

Weather History: Chinook Winds of Winter 1982

August 24, 2018
On back-to-back Sundays in January 1982, several Colorado communities bore the brunt of damaging Chinook winds.

Weather History: “Ice Bowl” Marks 50th Anniversary

August 24, 2018
Fifty years ago, a high-stakes football rivalry and extreme weather contributed to the making of the Ice Bowl of 1967.

Explaining Extreme Events of 2016

August 16, 2018
A new report investigates the causes of a wide variety of extreme weather and climate events from around the world in 2016.

Changing Extremes and Human Health

August 13, 2018
A new paper delves into the many connections linking extreme climate events and human health.

The Great Appalachian Storm in Historical Context

August 8, 2018
The November 22–30, 1950, Great Appalachian snowstorm ranked as a Category 5 event for the Ohio Valley on the Regional Snowfall Index.

Calculating the Cost of Weather and Climate Disasters

October 12, 2018
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.