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flash flood
Sign in to saverapid flooding of low-lying areas, often caused by heavy rain associated with a severe thunderstorm, hurricane, tropical storm, or melt water from ice or snow
In the Vinony graph
Vinony's link graph records 1,791 inbound references to flash flood, and connects out to tropical cyclone, river and thunderstorm.
It sits within the topics Flood, Hazards of outdoor recreation and Hydrology.
Vinony links it to 37 Wikipedia language editions.
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- Flash floods
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Encyclopedic overview
An underpass in Charlottesville, Virginia, United States during normal conditions (upper) and after fifteen minutes of heavy rain (lower) in 2017 A flash flood after a thunderstorm in the Gobi Desert, Mongolia in 2004
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 and snow. Flash floods may also occur after the collapse of a natural ice or debris dam, or a human structure such as a man-made dam, as occurred before the Johnstown Flood of 1889. Flash floods are distinguished from regular floods by having a timescale of fewer than six hours between rainfall and the onset of flooding.
Excerpted from Wikipedia’s “flash flood” article, available under the CC BY-SA 4.0 licence.