Numerical Simulation and Visulization Study of Heavy Rainfall in Hubei Province in 1998

Abstract

Abstract: Using the Pennsylvania State University/NCAR mesoscale model (MM5), a 36h simulation of the heavy rainfall process in Hubei province on July 20, 1998 is conducted. The simulation reproduced the evolution of meso-β-scale convective systems which were responsible for the heavy rainfall quite well. And the MCSs' visual images produced by the visualization software LiveView can reveal the life cycle, the features of water materials' distribution and 3-d stream structure of MCS.

Key words: numerical simulation, MCS, visualization

摘要： 用中尺度模式对1998-7-20湖北大暴雨过程进行了数值试验，较好地再现了中β尺度暴雨系统的发展过程。利用大型可视化软件制作的中β尺度对流系统的虚拟图像直观地展现了中β尺度MCS群发生发展的生命史过程、水物质分布的特点及其三维流场特征。

关键词: 数值模拟, MCS, 可视化

CLC Number:

P426.6

CHEN Min,WANG Hongqing,ZHENG Yongguang,LI Yaping. Numerical Simulation and Visulization Study of Heavy Rainfall in Hubei Province in 1998[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

陈敏, 王洪庆, 郑永光, 李亚萍. 1998年湖北大暴雨的中-β尺度对流系统数值模拟和可视化研究[J]. 北京大学学报（自然科学版）.

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Numerical Simulation and Visulization Study of Heavy Rainfall in Hubei Province in 1998

1998年湖北大暴雨的中-β尺度对流系统数值模拟和可视化研究

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