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- Dictionaryflash flood
noun
- 1. a sudden local flood, typically due to heavy rain.
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A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm, hurricane, or tropical storm, or by meltwater from ice or snow flowing over ice sheets or snowfields.
A flash flood is a rapid rise of water along a stream or low-lying urban area. Flash flooding occurs within six hours of a significant rain event and is usually caused by intense storms that produce heavy rainfall in a short amount of time.
Aug 2, 2022 · Flash flooding is a specific type of flooding that occurs in a short time frame after a precipitation event – generally less than six hours. It often is caused...
what is flash flooding? Flooding that begins within 6 hours, and often within 3 hours, of the heavy rainfall (or other cause). Flash Floods can be caused by a number of things, but is most often due to extremely heavy rainfall from thunderstorms.
Flash floods are distinct from floods, which the Weather Service defines as inundation of a normally dry area with rising water from a river or stream. Flooding can last days or weeks, which...
Sep 17, 2024 · The meaning of FLASH FLOOD is a local flood of short duration generally resulting from heavy rainfall in the immediate vicinity.
Aug 3, 2022 · The main thing about a flash flood is its speed. By definition, the rushing waters begin within six hours after an intense storm—and often within three hours, which is why it’s called a flash.
What are flash floods? Flash flooding happens when rain falls so fast that the underlying ground cannot cope, or drain it away fast enough. Roads can become like rivers and if there is a lot of...
Aug 2, 2022 · Flash flooding is a specific type of flooding that occurs in a short time frame after a precipitation event – generally less than six hours. It often is caused by...
A flash flood is generally characterised by raging torrents after heavy rains, a dam or levee failure or a sudden release of water in a previously stopped passage (i.e., by debris or ice) that rips through riverbeds, urban streets, or mountain canyons sweeping away everything in its path.
