Experimental Severe Weather Impact Graphics

These experimental images show the potential impacts to people and infrastructure from NWS Tornado, Severe Thunderstorm and Flash Flood Warnings. Data sources include the Lanscan Ambient Population Dataset and the National Transportation Atlas Database.

To learn more about this service, please review the product description document. You can submit comments about this service filling out the product survey or by sending an email to nws.ipwg@noaa.gov.

Have questions about the recent changes? View the FAQ page.

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This service is experimental and therefore not supported 24x7.