What are the characteristics of a flash flood?

Flooding that begins within 6 hours, and often within 3 hours, of the heavy rainfall (or other cause), is said to be flash flooding. The characteristics of flash floods are as follows:

  1. These are mostly caused due to extremely heavy rainfall from thunderstorms
  2. Flash Floods can occur due to Dam or Levee Breaks, and/or Mudslides
  3. Other factors that contribute to flash flooding are as follows:
    • The intensity of the rainfall
    • Location and distribution of the rainfall
    • Land use and topography
    • Vegetation and soil types

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