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Synoptic Characteristics of Heavy Rainfall Events in Pre-monsoon Season in South China
Authors:WU Liji  HUANG Ronghui  HE Haiyan  SHAO Yaping and WEN Zhiping
Institution:Center for Monsoon and Environment Research/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275,Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029,Center for Monsoon and Environment Research/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275,Institute for Geophysics and Meteorology, University of Cologne, Cologne 50937, Germany,Center for Monsoon and Environment Research/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275
Abstract:Persistent heavy rainfall events in South China can be divided into pre-and post-monsoon-onset events according to the onset of the South China Sea Summer Monsoon. In this study, daily rainfall data from 174 stations in South China and daily NCEP/NCAR reanalysis data are used to investigate pre-monsoon-onset events. The synoptic characteristics of pre-monsoon-onset heavy rainfall events are examined in detail. It is found that 21 heavy rainfall cases happened in the pre-monsoon period between 1961 and 2005....
Keywords:heavy rainfall  South China  pre-monsoon  moist potential vorticity  
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