在文献[4]成功地模拟华南前汛期一次低空急流和暴雨过程的基础上,分析讨论了4个对比数值试验。结果表明:凝结潜热加热和青藏高原大地形对暴雨的产生、华南低空急流的维持是十分重要的;不同的边界层过程以及华南地形的作用只表现在雨量的大小和分布上。

This work is a continuation of article[1].Based on the successful modeling of a LLJ and heavy rain process on April-June flood period in South China,four contrast numerical experiments are analysed and discussed in this paper.The results show condensation latent heat and the Qinghai-Xizang Plateau relief are very important factors for forming heavy rain and maintaining LLJ in South China.Different boundary layer process and South China terrain play only arole in precipitation and its distribution.