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CLOUDBURST

CLOUDBURST

  • Cloudbursts are sudden and extreme rainfall events over a limited area in a short span of time. In these storms there are violent uprushes of air, which at times prevent the condensing raindrops from falling to the ground.
  • A large amount of water may thus accumulate at high levels, and if the upward currents are weakened the whole of this water falls at one time.
  • It is very difficult to predict the cloud bursts due to its very small scale in space and time.
  • It is generally more common in India during the south west monsoon season that begins in June.
Why it happens ?
  • Cloudbursts occur because the warm air current from the ground or below the clouds rushes up and carries the falling raindrops up with it.
  • The rain fails to fall down in a steady shower, which causes excessive condensation in the clouds as new drops form and old drops are pushed back into it by the updraft.
  • The energy necessary for the cloudburst comes from the upward motion of air. Cloudbursts mostly occur at elevations between 1,000-2,500 meters above sea level.

Impact of Cloudburst

  • A cloud burst is the effects of the heavy rains that are striking in the mountain slopes as due to the falling water is concentrated in the  valleys and the gullies .
  • It can cause the heavy and destructive type of the floods and can be quite dangerous.
  • Mountainous terrain adds momentum to large amounts of water gushing down, leading to landslides, mudslides and flooding.
  • It is the consequences of heavy rain in the hilly terrain that causes loss of human lives and destruction of infrastructure.

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Environment & Biodiversity

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