Skymet weather

Heavy thundershowers associated with norwester or Kal Baisakhi to batter East India

May 1, 2021 2:00 PM |

Kal Baisakhi

During the last 24 hours, intense thundershowers lashed Gangetic West Bengal and parts of East Jharkhand. Conditions are becoming favorable for rain and thundershower activities to intensify over Bihar, Jharkhand, and West Bengal as well as parts of Odisha between May 2nd and 6th.

A cyclonic circulation is over east Uttar Pradesh and adjoining parts of Bihar. And a trough is extending from the cyclonic circulation to the central parts of West Bengal. Humid winds from the Bay of Bengal are also feeding moisture. The cyclonic circulation will gradually move to East over Bihar and West Bengal. And a trough will also form from sub-Himalayan West Bengal to the Odisha coast at tropospheric levels. These weather parameters will enhance the violent thunderstorm and thundershowers over east India known as Kal Baisakhi.

The month of April and May are notorious for Kal Baisakhi or norwesters. Kal Baisakhi originates in the Chhotanagpur Plateau, in and around the cities of Ranchi and Jamshedpur. In times of incursion of moist air in these elevated regions, amidst high temperatures, these extremely destructive thunderstorms occur.

Kal Baisakhi originates over Bihar and Jharkhand area moves eastwards and strikes West Bengal and Odisha. These are extremely severe in nature and takes Chhattisgarh under its purview as well.






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