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Cyclones

Mon 31 May, 2021

Why in news ? 

  • Recently, cyclone Yaas made landfall south of Balasore in Odisha.
  • Earlier, another cyclonic storm named ‘Cyclone Tauktae’ had affected the Indian states of Kerala, Gujarat, Maharashtra, Goa and Karnataka, along with two Union Territories: Daman & Diu and Lakshadweep.

Static 

  • Typically, tropical cyclones in the North Indian Ocean region (Bay of Bengal and Arabian Sea) develop during the pre-monsoon (April to June) and post-monsoon (October to December) periods.
  • Cyclones are created by atmospheric disturbances around a low-pressure area and are usually accompanied by violent storms and severe weather conditions. Basically, a tropical cyclone is a deep low-pressure area.
  • They are known as:
  • Cyclones in the Indian Ocean
  • Hurricanes in the Atlantic
  • Typhoons in the Western Pacific and the South China Sea
  • Willy-willies in Western Australia