Raindrop size distribution variations in JAL and NILAM cyclones induced precipitation observed over Kadapa (14.47�N, 78.82�E), a tropical semi-arid region of India

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Title:	Raindrop size distribution variations in JAL and NILAM cyclones induced precipitation observed over Kadapa (14.47�N, 78.82�E), a tropical semi-arid region of India
Authors:	西拉;Kumari, N P Amrutha;Kumar, S Balaji;Jayalakshmi, J;Reddy, K Krishna
Contributors:	地球科學學院大氣科學學系
Keywords:	Coefficients;Cyclones;India;Particle size;Particle size distribution;Precipitation;Raindrops;Rainfall
Date:	2014-02-01
Issue Date:	2026-04-21 13:55:18 (UTC+8)
Publisher:	Council of Scientific and Industrial Research
Abstract:	摘要： Raindrop size distributions (RSD) of JAL (7 November 2010) and NILAM (29 October 2012) cyclones induced precipitation were measured with PARticle Size and VELocity (PARSIVEL) disdrometer deployed at Kadapa (14.47[degrees]N, 78.82[degrees]E), a semi-arid continental site in Andhra Pradesh. Small and mid drops below 2 mm diameter have higher concentration in JAL and NILAM cyclones. RSD characteristics stratified on the basis of rainrate showed that the concentration of small (large) drops is higher (lesser) for JAL cyclone than NILAM cyclone. The concentration of mid size drops of JAL cyclone are greater than or equal to that of NILAM cyclone. The JAL cyclone induced precipitation is associated with higher (lesser) concentration of small drops (small and mid drops) in stratiform (convective) region than that of NILAM cyclone precipitation. JAL cyclone has long duration of stratiform rainfall with smaller raindrop compared to NILAM cyclone, which had a short duration of stratiform rainfall with more number of mid and large drops. In both convective and stratiform regimes, the coefficient value of Z-R relations is higher in NILAM cyclone than JAL cyclone. The average mass weighted diameter, D sub(m) of JAL cyclone is smaller (larger) in stratiform (convective) than that of NILAM precipitation. 出版日期： 2014-02-01 出處： Indian journal of radio & space physics, 2014-02, Vol.43 (1), p.57-66 識別號： ISSN: 0367-8393
Appears in Collections:	[Department of Atmospheric Sciences] journal & Dissertation

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