What is a flood and a flash flood?

What is a flood and a flash flood?

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, tropical storm, or meltwater from ice or snow flowing over ice sheets or snowfields.

How do flash floods?

Flash floods occur within a few minutes or hours of excessive rainfall, a dam or levee failure, or a sudden release of water held by an ice jam. Flash floods can roll boulders, tear out trees, destroy buildings and bridges, and scour out new channels. … Most flood deaths are due to FLASH FLOODS.

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What defines a flood?

Flood definition A flood is defined as a general and temporary condition of partial or complete inundation of two or more acres and two or more properties of normally dry land. Flood damage can only be caused by the following water sources: Overflow of inland or tidal waters.

How bad is a flash flood?

One is a flash flood watch, which means that conditions are favorable for flash flooding, and the other is a flash flood warning, meaning that a flash flood is occurring or one will occur imminently and is usually issued when there are strong weather radar echoes for an area that is prone to flash flooding.

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