NDLI: Thunderstorms over a tropical Indian station, Minicoy: Role of vertical wind shear

Content Provider	Springer Nature Link
Author	Chaudhari, H. S. Sawaisarje, G. K. Ranalkar, M. R. Sen, P. N.
Copyright Year	2010
Abstract	In this study, an attempt has been made to bring out the observational aspects of vertical wind shear in thunderstorms over Minicoy. Case studies of thunderstorm events have been examined to find out the effect of vertical wind shear and instability on strength and longevity of thunderstorms. Role of vertical wind shear in thunderstorms and its mechanism has been explored in this study. Results reveal that for prolonged thunderstorms high and low instability along with moderate to high vertical wind shear (moderate: 0.003 S$^{−1}$ ≤ vertical wind shear ≤ 0.005 S$^{−1}$ and high: > 0.005 S$^{−1}$) play a significant role in longevity and strength of thunderstorms. The mechanism of vertical wind shear in thunderstorms was investigated in a few cases of thunderstorm events where the duration of thunderstorm was covered by the radiosonde/rawin ascent observation taken at Minicoy. Empirical model has been developed to classify thunderstorm type and to determine the strength and longevity of thunderstorms. Model validation has been carried out for selected cases. Model could classify thunderstorm type for most of the cases of thunderstorm events over island and coastal stations.
Starting Page	603
Ending Page	615
Page Count	13
File Format	PDF
ISSN	02534126
Journal	Journal of Earth System Science
Volume Number	119
Issue Number	5
e-ISSN	0973774X
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-10
Publisher Institution	Indian Academy of Sciences
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Vertical wind shear thunderstorms empirical model CAPE CINE Extraterrestrial Physics, Space Sciences Earth Sciences
Content Type	Text
Resource Type	Article
Subject	1900/1901

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