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Windstorms in the U.S.

This feature layer, utilizing data from the National Oceanic and Atmospheric Administration (NOAA), displays windstorm paths in the United States between 1955 and 2024. Per NOAA, "Damaging winds are often called “straight-line” winds to differentiate the damage they cause from tornado damage. Strong thunderstorm winds can come from a number of different processes. Most thunderstorm winds that cause damage at the ground are a result of outflow generated by a thunderstorm downdraft. Damaging winds are classified as those exceeding 50-60 mph."

Windstorms in and around Washington D.C.

Data currency: December 30, 2024

Data source: Storm Prediction Center

Data modifications: Added field "Date_Calc"

For more information: Severe Weather 101: Damaging Winds; NSSL Research: Damaging Winds

Support documentation: SPC Tornado, Hail, and Wind Database Format Specification

For feedback, please contact: ArcGIScomNationalMaps@esri.com

National Oceanic and Atmospheric Administration

Per NOAA, its mission is "To understand and predict changes in climate, weather, ocean, and coasts, to share that knowledge and information with others, and to conserve and manage coastal and marine ecosystems and resources."

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