[1]刘雷.基于NCEP 资料的一次暴雨过程诊断分析[J].江苏水利,2017,(09):51-53,57.
 LIU Lei.Diagnostic analysis of a rainstorm process based on NCEP data[J].JIANGSU WATER RESOURCES,2017,(09):51-53,57.
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基于NCEP 资料的一次暴雨过程诊断分析()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年09期
页码:
51-53,57
栏目:
水文水资源
出版日期:
2017-09-09

文章信息/Info

Title:
Diagnostic analysis of a rainstorm process based on NCEP data
文章编号:
1007-7839(2017)09-0051-03
作者:
刘雷
中国民用航空飞行学院空中交通管理学院,四川 广汉 618307
Author(s):
LIU Lei
School of Air Traffic Management,Civil Aviation Flight University of China,Guanghan 618307,Sichuan
关键词:
暴雨水汽垂直螺旋度K 指数
Keywords:
rainstormwater vaporvertical helicityK index
分类号:
TV125
文献标志码:
B
摘要:
利用NCEP 再分析资料对2016 年6 月30 日至7 月1 日江苏省的一次暴雨过程进行了诊断分析,结果表明:此次暴雨过程是发生在“两槽两脊”的形势下,主要水汽源是孟加拉湾和南海,水汽通量散度负值区域,水汽聚集和辐合,低层正高层负的垂直螺旋度配置为此次暴雨提供了良好的动力条件,此次暴雨区K 指数基本维持在40℃左右,高温高湿的大气为暴雨的发生提供了有利的热力条件。
Abstract:
Using NCEP reanalysis data, diagnostic analysis of a rainstorm process from June 30, 2016 to July 1,2016 in Jiangsu Province was conducted.The results showed that the rainstorm process occurred in the situation of two-trough-two-ridge.The main water vapor source of the rainstorm process was the bay of Bengal and the South China Sea.The vertical helicity configuration of positive one at lower-level troposphere and negative one at upper-level troposphere provided a favorable dynamical condition for the rainstorm.The K index maintained at about 40 degrees Celsius in the rainstorm area.Therefore, the atmosphere of high temperature and high humidity provided a favorable thermal stress conditions for the occurrence of rainstorm.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:刘雷(1993-),男,在读研究生,研究方向为空中交通运行控制。
更新日期/Last Update: 2017-09-15