Abstract:

 A 2 day’、continuous severe thunderstorm occurred in most areas of Ningxia on June 14th and 15th, 2004, part of the ye110W  RlVer  1TTlgatlOn TeglOn haS heen StrLICl} by hall.  By LISlng the TOlltlne meteOTOlOg1Ca1 data and dOppleT radar pT0(1LICtS and  SO On,a meteorological analysis of this process has been done, the analysis shows that: this is a typical continuous severe thunderstorm pro-CCSS In  N1ngXla Wh1Ch TCSlllted fTOm the TOtatlOnal eaStWa.T(1S and  SOLIthWa.T(1S  MOngOha Cold  VOrteX.  Frnm  the radar eC110  dlffeTenCe  he-tWCen  general  thLIndeTStOTm  and  SCVCTe  thLIndeTStOTm  Wlth  hall,  the  mOnltOTlng  and  fOTCCa.Stlng  1ndeX  Of  N1ngXla  SCVCTe  COriVCCtlOn
weather has been gained with statistics. By using the forecasting products of Ningxia meso一、tale model MMS, a simulative analysis
has been done on it's related physical quantities, which has gained a valuable results.

Key words:  Mongolia cold vortex, severe convection weather, doppler radar products, MMS numerical simulation

摘要：

2004年6月14,15日连续2di夏大部地区出现了强雷阵雨天气，引黄灌区局部地区遭受冰雹袭击。利用常规气象资料、多普勒雷达产品等资料，对此次过程进行了天气学分析，分析表明这是一次典型的蒙占冷涡旋转东移南压造成的宁夏连续性强对流天气过程。并根据一般性雷雨与伴有冰雹的强雷雨天气发生时雷达回波的差异，统计得到宁夏发生强对流性天气的监测预警指标，同时利用宁j夏中尺度区域模式MM5预报产品对其相关物理量进行了模拟分析，得到了有价值的结果.

关键词: 蒙占冷涡;强对流天气, 多普勒雷达产品, MM5数值模拟