We report the preliminary results of observation of total lightning characteristics of pre-monsoon summer time thunderstorms over the Gangetic West Bengal (GWB) around Kolkata. We have analysed 35 thunderstorms during March to early June 2018 over GWB. Total lightning flash rate, which includes both in-cloud (IC) and cloud-to-ground (CG) lightning, has been found to increase rapidly during the initial stage of the thunderstorm much before the occurrence of damaging wind and intense lightning. Four categories of lightning rate curves are found and out of which two categories tend to produce damaging wind, intense lightning and heavy rainfall. Samples of both in-cloud and cloud to ground lightning electric field waveforms are also presented here. © 2019 URSI. All rights reserved.

SUBRATA MIDYA

Atmospheric Science

S PAL

University of Calcutta (informally known as Calcutta University or CU) is a collegiate public state university located in Kolkata, West Bengal, India.&nbsp;Within India it is recognized as a &quot;Five-Star University&quot; and accredited &quot;A&quot; Grade by National Assessment and Accreditation Council.

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The University of Calcutta has secured the Fifth position among the Universities of India in the prestigious &quot;Indian University Ranking 2019&quot; list, released by the NIRF of the Ministry of Human Resource Development, Government of India.

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It was established on 24 January 1857, and was one of the first institutions in Asia to be established as a multidisciplinary and Western-style university. Its alumni and faculty include several heads of state, heads of government, social reformers, prominent artists, only academy award winner and Dirac medal winner in India, many Fellows of the Royal Society and five Nobel laureates as of 2019 which is highest in South Asia.

University Of Calcutta

A study of total lightning characteristics of thunderstorms over Gangetic West Bengal

2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019

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Journal	Data powered by Typeset2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019
Publisher	Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open Access	No