Variation of Thermodynamic Indices Over Four Stations of Bangladesh
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Ravindranadh Koutavarapu [1] ; N. Umakanth [2] ; B. T. P. Madhav [3] ; B. Siva Kumari [4] ; M. C. Rao [4] ; Dong-Yeon Lee [1] ; Jaesool Shim [1]
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[1] Yeungnam University
Yeungnam University
Corea del Sur
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[2] Dhanekula Institute of Engineering and Technology
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[3] Koneru Lakshmaiah Education Foundation
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[4] Andhra Loyola College
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- Localización: Thalassas: An international journal of marine sciences, ISSN 0212-5919, Vol. 38, Nº. 1, 2022, págs. 293-310
- Idioma: inglés
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Resumen
Thunderstorms are major meteorological events that wreak havoc on people, crops and property. Thunderstorms can occur at any time of day and in any season when atmospheric conditions are right, though they are most common in the late spring, summer afternoons and evenings. The importance of studies examining thermodynamic indices cannot be overstated. During the pre-monsoon season, the Bangladesh region is regularly subjected to severe thunderstorms. The lifted index, K index, Total Totals Index (TTI), humidity index (HI), total precipitable water (TPW), Convective available potential energy (CAPE) and rainfall (rf) are investigated over four stations in Bangladesh during the pre-monsoon season. We have measured all thunderstorm-related parameters using daily ERA5 reanalysis data for the pre-monsoon season from 2011 to 2020. Chittagong, Patuakhali, Rangpur and Sylhet are the four stations that we have chosen for our research work. Out of these four stations, Chittagong and Patuakhali are coastal regions, whereas Rangpur and Sylhet are inland stations. The daily mean values of all indices indicated high values over coastal stations than inland stations.
