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中文摘要: 运用GMS红外云顶亮温(TBB)，分析了1998年6月我国南方地区大范围持续性暴雨的成因。结果指出：它是由北方较强冷空气经华北一带源源不断南下，与较弱的西南季风在江南至华南一带汇合而形成，其中冷空气频繁南下是最主要原因；TBB旬平均和距平场，定量而又直接地展示了产生强降水云系的强度、分布特征及其成因。
中文关键词: 大暴雨，成因，TBB
Abstract:The reasons of continuous heavy rainfall over a large area in South China in June 1998 were analysed using black-body temperature (TBB) data from GMS. The results show that such heavy rainfall is caused by the stronger cold air coming from northern China and frequently dominateds its merger with weaker southwest monsoon: The TBB dekad mean and anomaly fields could directly and quantitatively present the features and causes of the intensity and distribution of the cloud system with heavy rainfall.
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引用文本：
江吉喜,范梅珠,吴晓,1998.我国南方持续性暴雨成因的TBB场分析[J].气象,24(11):26-31.
,1998.The Reasons of Continuous Heavy Rainfall in South China Analysed from GMS TBB[J].Meteor Mon,24(11):26-31.
江吉喜,范梅珠,吴晓,1998.我国南方持续性暴雨成因的TBB场分析[J].气象,24(11):26-31.
,1998.The Reasons of Continuous Heavy Rainfall in South China Analysed from GMS TBB[J].Meteor Mon,24(11):26-31.