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Flash Flood — Brown, SD

Aug 18, 2009

Numerous thunderstorms developed along a stationary front and trained over the same locations producing very heavy rains along with large hail. Very heavy rains of 2 to nearly 5 inches resulted in the flash flooding of numerous roads. Several of the roads were washed out. Some rainfall amounts included, 3.05 inches at Warner, 3.15 inches southwest of Bristol, 4.40 inches in Webster, and 4.50 inches east of Warner.

Source: NOAA National Weather Service Storm Events Database (event 195259). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Brown, SD

This event is one of many recorded floods in Brown County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Brown County flood data →

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