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Position: Home > Articles > Analysis on the Process of Continuous Heavy Rain in Guangxi in July,2015 Journal of Agricultural Catastrophology 2017 (4) 41-44

2015年7月广西持续性暴雨过程分析

作  者:
李渝平
单  位:
南宁市气象局
关键词:
持续性暴雨;高原槽;切变线;急流;水汽
摘  要:
利用常规观测资料,对2015年7月广西一次持续性暴雨过程进行分析,结果表明:高原槽的稳定维持为持续性暴雨提供了大尺度动力条件;高低空急流的持续和耦合作用是暴雨持续的重要原因;暴雨前期由切变线和超低空急流共同触发,后期的触发机制主要是超低空急流;暴雨的水汽主要来自孟加拉湾和南海北部。
译  名:
Analysis on the Process of Continuous Heavy Rain in Guangxi in July,2015
作  者:
LI Yu-ping;Nanning Meteorological Bureau;
关键词:
Continuous heavy rain;;Plateau trough;;Shear line;;Jet stream;;Water vapor
摘  要:
The routine observation data were used to analyze a continuous heavy rain process in Guangxi in July, 2015.The results showed that: the stable maintenance of plateau trough provided a large-scale dynamic condition for continuous heavy rain; the continuation and coupling effect of high and low level jet stream was an important reason for the continuous heavy rain; the early stage of heavy rain was triggered by the shear line and the ultra-low level jet stream,and the triggering mechanism at the later stage was mainly the ultra-low level jet stream; the water vapor of heavy rain mainly came from the Bay of Bengal and the northern part of the South China Sea.

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