Flood
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A flood is an overflow of water that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are of significant concern in a
Urban flooding in a street in Morpeth, England, 2008
View of flooded New Orleans in the aftermath of Hurricane Katrina
Flooding of a creek due to heavy monsoonal rain and high tide in Darwin, Northern Territory, Australia
Flood in Jeddah, covering the King Abdullah Street in Saudi Arabia
Flash flood
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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
Flood
…speed, and in such flat land it can run for miles. It is these qualities that set it apart from simple "overland flow". Rapid flooding events, including flash floods, more often occur on smaller rivers, rivers with steep valleys, rivers that flow for much of their length over impermeable terrain, or normally-dry…
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