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A river overflows when the rate of flow in the river is higher than its ability to contain it.

There are instances when a particular location has more flow than  its ability to contain it naturally. It leads to a flood. Flooding can also result from combinations of variables including exceptionally heavy rains. For instance, when paired with strong rain, heavy snow melt, saturated terrain, extremely high tides, and drainage changes can cause flooding.

The Three Most Common Types of Flood:

  • Floods in rivers happen when water levels rise above the banks of a river as a result of a lot of rain.
  • Larger bodies of water frequently have coastal floods, which typically happen when the tide is extremely high.
  • An enormous volume of rain in a brief period of time causes a flash flood (usually within 6 hours).

To learn more about flood, refer

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