Moist Potential Vorticity Anomaly with Heat and Mass Forcings in Torrential Rain Systems

Chin. Phys. Lett.

2002, Vol. 19

Issue (6): 878-880 DOI:

Original Articles

Moist Potential Vorticity Anomaly with Heat and Mass Forcings in Torrential Rain Systems

GAO Shou-Ting;LEI Ting;ZHOU Yu-Shu

Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029

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GAO Shou-Ting, LEI Ting, ZHOU Yu-Shu 2002 Chin. Phys. Lett. 19 878-880

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Abstract The moist potential vorticity (MPV) equation is derived from complete atmospheric dynamic equations with both heat and mass forcings, with which the impermeability theorem of the“MPV substance”is proved. It is clarified that both heat and mass forcings induced by the intensive precipitation in torrential rain systems can lead to the MPV anomaly. The MPV substance anomaly is a dynamical tracer for tracking a torrential rain system.

Keywords: 92.70.Cp 92.60.Jq

Published: 01 June 2002

PACS:	92.70.Cp	(Atmosphere)
	92.60.Jq	(Water in the atmosphere)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2002/V19/I6/0878

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