【摘要】 利用一小时一次的卫星资料和降水资料，分析了１９９１年江淮梅雨期第三段（６月２９日－７月１３日）梅雨锋云系的特征，包括梅雨锋云系的建立和重建过程、它的走向、分布特征、日变化特征，以及它和其他云系之间的关系等，梅雨锋云系的建立是来自高原东北部的华西盾状云系和西南季风云系相互作用的结果。外围不同性质的云系对梅雨锋云系的影响是造成江淮梅雨锋云系强烈发展，继而产生暴雨天气的重要原因之一。更多还原

【Abstract】 Satellite data and precipitation data are used in this work to analyse thecharacteristics of mei-yu front cloud system in 1991.It inaludes the establishment andreestablishment of mei-yu front cloud system,trend,distribution features,and dailyvariation of mei-yu front cloud system, and the relationships between mei-yu front cloudsystem and Other cloud systems. The establishment of mei-yu front cloud systeln is theresult of interaction between Huaxi shield cloud system on northeast part of TibetanPlateau and Southwest monsoon cIoud system. The influence of the peripheral cloudsystem on n1ei-yu front cloud system is one of the reasons of severe developrnent of mei-yu front cloud system.更多还原