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中文摘要: 通过分析2002年6月8～9日汉中大暴雨的环流背景、物理量场的特征及其演变,表明热力、水汽条件在降水开始前2 4小时有一定的反映,中低层大的正涡度和高空的负涡度集中在非常狭窄的同一地区,是产生强降水的原因之一。
中文关键词: 大暴雨，中尺度系统，物理量场
Abstract:Based on the analysis of the features and evolution of the circulation background,and physical quantities of the heavy rain in Hanzhong during 8-9 June 2002, it is shown that thermal and water vapor conditions in Hanzhong have changed 24 hours before raining, strong positive vorticity at the middle and low levels and strong negative vorticity at the high level overlapped in a narrow region is also a inducement of the heavy rain.
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引用文本：
苏俊辉,徐愫莲,2003.2002年6月9日汉中区域性暴雨过程分析[J].气象,29(4):53-55.
,2003.Analysis of Heavy Rain on June 9th 2002 in Hanzhongof Shaanxi Province[J].Meteor Mon,29(4):53-55.
苏俊辉,徐愫莲,2003.2002年6月9日汉中区域性暴雨过程分析[J].气象,29(4):53-55.
,2003.Analysis of Heavy Rain on June 9th 2002 in Hanzhongof Shaanxi Province[J].Meteor Mon,29(4):53-55.