What is a flash flood? Explain.

By Ritesh|Updated : September 2nd, 2022

Flash flooding often begins within 3 or 6 hours of the extreme rainfall. Heavy rain, thunderstorms, Dam Breaks, or Debris Flow can occur. The rainfall intensity, the distribution and location of rainfall, vegetation types and density/ growth, land use and topography, soil type, and soil water content all find just how fast Flash Flooding can happen and influence where it may happen.

Flash Flood Explanation

  • Urban Areas are prone to flooding in a short period, and rainfall from the same storm over the urban area will cause faster flooding and more severe than in the countryside or suburbs.
  • The watertight surfaces of the urban areas restrict the water infiltration to the ground, and the water moves to the lower spots very fast.
  • Flash Flooding happens so fast that people are caught off-guard. The situation can become dangerous if they experience high and fast-moving water while travelling.
  • People at home or business experience the water rising quickly and trapping them or causing harm to the property without a chance to protect it.

Where does Flash flood strike?

Flash Flooding happens everywhere. The tranquil creeks and streams in the neighbourhood area can become raging torrents if rain falls overhead - or upstream your location. It can happen even on streets and highway underpasses.


What is a flash flood?

Flash floods often begin within 3 or 6 hours of the extreme rainfall. It can occur to many things, primarily because of heavy rain and thunderstorms.


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