What are Cloudbursts?

At least eight people have died after a cloudburst occurred at the Amarnath Cave Shrine near Pahalgam in south Kashmir.

Cloudbursts are short-duration, intense rainfall events over a small area.
According to the IMD, it is a weather phenomenon with unexpected precipitation exceeding 100mm/h over a geographical region of approximately 20-30 square km.

A study published last year studied the meteorological factors behind the cloudburst over the Kedarnath region.
They analysed atmospheric pressure, temperature, rainfall, cloud water content, cloud fraction, cloud particle radius, cloud mixing ratio, total cloud cover, wind speed, wind direction, and relative humidity during the cloudburst, before as well as after the cloudburst.
The results showed that during the cloudburst, the relative humidity and cloud cover was at the maximum level with low temperature and slow winds.
It is expected that because of this situation a high amount of clouds may get condensed at a very rapid rate and result in a cloudburst.

Several studies have shown that climate change will increase the frequency and intensity of cloudbursts in many cities across the globe.
As temperatures increase the atmosphere can hold more and more moisture and this moisture comes down as a short very intense rainfall for a short duration.
This results in flash floods in the mountainous areas and urban floods in the cities.
Also, there is evidence suggesting that globally short-duration rainfall extremes are going to become more intense and frequent.

Source: Down To Earth

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