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flash flood |
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flash floodFlood of water in a normally arid area brought on by a sudden downpour of rain. Flash floods are rare and usually occur in mountainous areas. They may travel many kilometres from the site of the rainfall. Because of the suddenness of flash floods, little warning can be given of their occurrence. In 1972 a flash flood at Rapid City, South Dakota, USA, killed 238 people along Rapid Creek. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Rainfall intensity and duration, topography, soil conditions, and ground cover contribute to flash flooding. is issued when conditions are favorable for flash flooding in flood-prone areas where grounds are already saturated from recent rains. Rainfall intensity and duration, topography, soil conditions, and ground cover contribute to flash flooding. |
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