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Electrical characteristics of thunderstorms in the Eastern part of India

Gopalakrishnan, V and Pawar, SD and Murugavel, P and Johare, KP (2011) Electrical characteristics of thunderstorms in the Eastern part of India. Journal of Atmospheric and Solar-Terrestrial Physics, 73 (13). pp. 1876-1882.

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Measurements of surface electric field made during the Pilot experiment to STORM at Kharagpur, India have been analyzed. During period of observations, i.e., from April 15 to May 31 2006, 14, thunderstorms were observed. Some electrical characteristic features of lighting associated with these thunderstorms are presented here. The electric field pattern shows that large number of negative electric field changes occur during mature stage of thunderstorm indicating removal of negative charge from overhead. Based on the polarity of electric field changes induced by lightning and shape of recovery curves, it is concluded that the most of thunderstorms in this region have positive-dipole type charge structure. These thunderstorms generally exhibit End-Of-Storm-Oscillation (EOSO).

Item Type: Article
Additional Information: Copyright of this article belongs to Elsevier.
Uncontrolled Keywords: Charge structure; Electric field change; Electric field patterns; Electrical characteristic; Negative charge; North-east India; Pilot experiment; Recovery curves; Surface electric fields, Electric fields; Engineering exhibitions; Lightning, Thunderstorms
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 08 Aug 2014 10:19
Last Modified: 08 Aug 2014 10:19

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