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100 _aSunil Kumar
245 _aAssessment of remote sensing-based environmental features of severe cyclonic storm ‘Dana’ over the Bay of Bengal in October 2024
300 _aP 465-471
520 _aThe present study investigates the structural, dynamic and thermodynamic characteristics of severe cyclonic storm, ‘Dana’, the first post-monsoon tropical cyclone over the North Indian Ocean in 2024. Using synoptic data and satellite imageries, we have analysed the evolution of storm, intensity changes and atmospheric interactions. The structural analysis reveals that ‘Dana’ predominantly exhibited an irregular central dense overcast pattern with a mean diameter of 173 km throughout its lifecycle. Dynamically, the development and movement of the cyclone were influenced by wind profiles, sea-surface temperature (SST), upper-level divergence, lower-level convergence and atmospheric pressure patterns. The average vertical wind shear was 16 knots, increasing to 20 knots during cyclone strengthening. Regarding thermodynamics, SST ranged from 29°C to 30°C over the central and northern Bay of Bengal and the north Andaman Sea, with tropical cyclone heat potential between 100 and 112 kJ/cm2 . This study integrates satellite-based observations with traditional meteorological data, providing valuable insights into the internal dynamics of the cyclone and contributing to improved forecasting and understanding of factors influencing tropical cyclone intensity and track in the region.
654 _aBay of Bengal
_adynamic features
_asatellite imagery
_astructural analysis
_athermodynamic processes
_atropical cyclone
773 0 _0125299
_9112522
_tCurrent Science
_x 0011-3891
942 _cJA
999 _c131816
_d131816