Stormy start (GS-3, Disaster management, The Hindu)

19 May Stormy start (GS-3, Disaster management, The Hindu)

Context:- Disaster which is an extreme form of any crisis is going on the western coast of India, where tautake hit.

What is a cyclone

• • A cyclone is any low-pressure area with a high pressure area around it and with winds spiralling inwards.
  • It rotates anti-clockwise in the Northern Hemisphere and rotates clockwise in the Southern Hemisphere.

• Types of Cyclone:-

• • • Tropical cyclone.
    • Extratropical cyclones.

• Condition of formation:

• • • Large sea surface with a temperature higher than 27° C.
    • Presence of the Coriolis force so that cyclones can be formed.
    • Small differences in the vertical wind speed to create speed.
    • A pre-existing weak- low-pressure area or low-level-cyclonic circulation.
    • Upper divergence above the sea level system.

• Why cyclone formation is so frequent now a days

• • Change in the weather pattern around the globe
  • Climate change
  • Increase in the sea surface temperature.
  • Frequent change in the land use pattern
  • Cause of clogging of drainage crises become a catastrphe.
• How India tackles the disaster
  • Disaster management act 2005
    • It creates national and state level bodies with chairmen PM and CM
    • it has people participatory approach.
    • it operates on bottom up approach.
    • it tackles, from the beginning and also focus on retrofitting.

Download Daily Current Affairs of 19th May 2021