【摘要】 本文用各种气象观测资料对2002年9月16日发生在中山的特大暴雨进行了分析。结果表明,这次暴雨发生的主要原因是地面低压环流系统受到西风槽、切变线和低层弱冷空气侵入的影响而在中山附近加强引起的,同时这次特大暴雨降水具有明显的中尺度特征。更多还原

【Abstract】 Various meteorological observations were used to analyze the extraordinary heavy torrential rain occurrence in Zhongshan on 16 September 2002. The result showed that the dominant factors for the torrential rain occurrence was that the surface low pressure circulation system was intensified near Zhongshan under the influence of westerly trough, wind shear line and invasion of weak cold air in the lower layer. Meanwhile, there existed evident mesoscale characteristics in the heavy torrential rain process.更多还原