| Black Hills flood of June 9, 1972; a report to the administrator - :7300 | National Weather Service (NWS)
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Black Hills flood of June 9, 1972; a report to the administrator
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Black Hills flood of June 9, 1972; a report to the administrator
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  • Description:
    "In a few hours during the late afternoon and evening of June 9, 1972, a record rain fell on the Black Hills of South Dakota. A stationary group of thunderstorms over the Central Hills dumped as much as 15 inches of rain in some locations in less than 6 hours. The rains resulted in record-breaking floods on streams draining the eastern slopes of the Black Hills. At least 236 people are known dead and property damage exceeded $100 million in Rapid City and the surrounding recreational areas. The Survey Team tried to determine whether the observation-warning-dissemination system worked as effectively as it could have, and whether the Rapid City flood would have lessons and applications to broader regional and national plans and programs as well"--from the Executive Summary.

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