August 8, 2002 Shelf Cloud

Several severe thunderstorms moved through the Black Hills on August 8th, 2002.  Flash flooding also occurred in Deadwood, SD, which resulted in a large flow of mud and ash from the Grizzly Gulch fire that occurred earlier this summer.

The image below depicts a shelf cloud ahead of a severe thunderstorm that rolled over the National Weather Service office in Rapid City, SD.

August 8, 2002 Shelf Cloud

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