Nor'westers (Kal Baisakhi) the Violent Thunderstorms in the Gangetic Plains of India.
Автор: tMb
Загружено: 2022-05-21
Просмотров: 14735
Nor'westers or in Bengali: Kalbaishakhi (Odia: କାଳ ବୈଶାଖୀ), Bordoisila as known in Assam, are localised rainfall and thunderstorm event which occurs in Bangladesh and Indian states of Bihar, Jharkhand, Odisha and West Bengal often exceeding 100 km/h (62 mph). These storms generally occur in afternoon or just before sunset, when thick dark black clouds start appearing over the sky and then bring gale-speed wind with torrential rain, often with hail, but spanning only a short period of time.
Kalbaishakhi, usually forms from April till the monsoon establishes itself over North-East India. However, in some occasion these storms can form in March. Based on event descriptions and the meteorological environments involved, these storms can be classified as progressive derechos. These storms originates over the Chhotanagpur Plateau between the states of Bihar and Jharkhand. It strengthens gradually, moves south-eastwards and affects the states of Odisha, West Bengal and Assam with gale-speed wind, torrential rains and hailstorms. In some occasion, incursion of moist air in these elevated places, amidst high temperature causes violent thunderstorms. Tornadoes also rarely form if there's enough moisture, convection and heat in the Ganga-Brahmaputra delta such as a tornado hit in Bangladesh's Manikganj district of Dhaka division which became the deadliest tornado in the history.
Many Bengali poets and artist have been inspired from Kalbaishakhi not just terror and fury but by its astounding beauty. Bengali poet Mohit Lal Majumder described the storm in his poem "Kalbaisakhi" and Rabindranath Tagore also got inspired from the storm and wrote a poem "Esho e Baisakh"
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