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Cyclone Gulab

  • Integrity Education, Delhi
  • 27, Sep 2021
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  • Cyclone Gulab developed in the Bay of Bengal and later made landfall close to Kalingapatnam in Andhra Pradesh
  • India has a bi-annual cyclone season that occurs between March to May and October to December. But on rare occasions, cyclones do occur in June and September months.

Reasons behind formation of Cyclone Gulab

  • The in-sync phase of Madden Julian Oscillation (MJO)
  • Warm sea surface temperatures over the Bay of Bengal
  • The formation of a low pressure system on September 24 along lower latitudes

Why Cyclone Gulab is still active after its Landfall and re-emerged ?

  • The southwest monsoon continues to be active, so there is moisture available.
  • In addition, the wind shear is weak and there is no obstruction of any kind to weaken the system while on land.
  • Climatologically, the frequency of cyclones re-emerging may be less but these are not rare events
  • In the recent past, Vere Severe Cyclone Gaja (November 2018) had formed in the Bay of Bengal.
  • After making a landfall near Tamil Nadu coast, the system moved westwards and re-emerged off central Kerala coast in the Arabian Sea.