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flash floods  

Definition

  • Flash floods occur when water levels rise rapidly and inundate low-lying areas. The United States National Weather Service defines flash floods as floods that occur within 6 hours of their cause, which may include heavy rainfall, ice dam breakage, and dam or levee failures. [Source: Encyclopedia of Geography; Flash Floods]

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https://concepts.sagepub.com/social-science/concept/flash_floods

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