A forecasting aspect of thundersquall over Calcutta and its parameterisation during pre-monsoon season

Authors

  • G. C. BASU
  • D. K. MONDAL

DOI:

https://doi.org/10.54302/mausam.v53i3.1644

Keywords:

Thundersquall, Thermodynamic parameter, , Radar-echo, Hodograph, CAPE

Abstract

Severe thunderstorms accompanied by squalls are the most hazardous weather phenomena during pre-monsoon season in north-eastern region of India. An attempt has been made in this paper to study some parameters for forecasting thundersqualls over Calcutta (Airport) during pre-monsoon season. Parameterisation of thermodynamic components alongwith the synoptic support during thundersqualls over Calcutta has been discussed here. A forecasting aspect for propagation speed of thunderstorm cell at Calcutta in pre-monsoon season has been examined with respect to radar-echo positions, mid-level winds and convective available potential energy (CAPE). Occurrences of multiple thundersqualls over Calcutta Airport within a few hours’ interval have been discussed and examined through hodograph analysis, radar observations and synoptic situations.

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Published

01-07-2002

How to Cite

[1]
G. C. . BASU and D. K. . MONDAL, “A forecasting aspect of thundersquall over Calcutta and its parameterisation during pre-monsoon season”, MAUSAM, vol. 53, no. 3, pp. 271–280, Jul. 2002.

Issue

Vol. 53 No. 3 (2002): MAUSAM

Section

Research Papers

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