摘要
2008年10月7日新疆库车、沙雅、新和(以下简称库、沙、新)区域3县出现罕见冰雹灾害,利用地面、高空观测资料和天气图、FY-2C卫星云图资料对这次冰雹天气成因进行诊断分析,结果表明:这次冰雹灾害天气是在有利的大尺度环流背景下,由巴尔喀什湖低槽,中、低层偏东风和中、小尺度风场辐合及南疆特殊地形等共同影响所致;强对流云团在库、沙、新区域西北上空生成后东移、南下中不断加强,TBB资料能较好地反映对流云活动及其强度变化特征,对冰雹发生和短时预报有一定指示意义。
By using the regular meteorological data, including weather chart of upper air and ground, hourly satellite data etc, and the methods of synoptic and dynamical meteorology, this article analyzes the hailstorm taken place in ku-sha-xin area on 7 October 2008. The condition of formed-hail, and motion paths and character of heavy hail were discussed, which has certain instructing meaning for the forecasting accurately hailstorm process and the mitigating meteorological disasters.
出处
《沙漠与绿洲气象》
2009年第5期15-19,共5页
Desert and Oasis Meteorology
关键词
强冰雹
灾害天气
环流形势
预报指标
heavy hail
severe weather
circulation background
forecast index
