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Position: Home > Articles > Analysis of Precipitation Characteristics in Dalian Region in July 2013 Journal of Anhui Agricultural Sciences 2014,v.42;No.444 (11) 3338-3339

2013年7月大连地区降水特征分析

作  者:
赵伟东;曹祥村
单  位:
中国人民解放军91550部队15分队
关键词:
降水特征;环流背景;物理量场;大连地区
摘  要:
2013年7月大连地区有7次较大降水过程,其中2次大雨、5次暴雨或大暴雨,通过对2013年7月影响本区的系统背景、环流特征、水汽条件、动力特征等方面进行分析,加强对强降水特征的认识。结果表明,副热带高压的位置变动是引起大连地区7月强降水最重要的原因之一;中纬度冷空气的侵入和垂直上升运动大小是强降水产生的关键;副热带高压附近的暴雨能造成持续性的大暴雨过程;气旋暴雨和冷涡暴雨造成短时突发性暴雨,降水集中且强度大。
译  名:
Analysis of Precipitation Characteristics in Dalian Region in July 2013
作  者:
ZHAO Wei-dong;PLA 91550 Troops 15 Unit;
关键词:
Precipitation characteristics;;Circulation background;;Physical quantity field;;Dalian region
摘  要:
There are seven large precipitation events occurred in Dalian in July 2013,which included two heavy rains and five rainstorms / heavy rainstorms. Through the analysis of the synoptic system background,circulation characteristics,water vapor condition,and dynamic characteristics,we concluded that: the position variation of the Subtropical High Pressure is one of the most important reasons causing strong precipitation in July 2013 in Dalian. The mid-latitude cold air intrusion and vertical ascending motion is the key factor for strong precipitation. The rainstorm near the Subtropical High can cause the process of persistence rainstorm. The Cyclonic rainstorm and the cold vortex storm caused a short sudden rainstorm,precipitation concentration and high strength.

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