湖北一次冰雹天气过程的落区诊断分析和预报
AN ANALYSIS AND FORECAST FOR THE AREA OF AN HAIL WEATHER IN HUBEI PROVINCE
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摘要: 利用欧洲中心和T106数值预报产品,分析常规气象资料,对湖北省1998年3月20~25日历史上罕见的连续性强对流天气过程进行诊断分析,揭示了产生强对流天气的环流形势和影响系统,并从短期角度对连续性强对流天气过程归纳出天气模型和预报指标,得出了强对流天气落区及降水性质与各要素之间的关系,为更好地提高预报强对流天气的准确率提供一定的参考。Abstract: By using the numerical products of ECMWF and T106, and the conventional meteorological data, a continuous intense convective synoptic progress on the 20~25th, March in 1998,which was rare in the history of Hubei Province, was diagnosed and analyzed. The work discovered circulation pattern and infention system responsible for this intense convective synoptic progress, summed up the model of this intense convective weather and the predictive criterion for short-time forecasting, established the relationship between the falling area, points of the rainstorm and individual factors, offered the revelation and reference for the forecast in the future.
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Key words:
- intense convective weather /
- volatile energy /
- area /
- stations
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[1] 戴淑芬,何于班.22个雷暴预报因子及其应用[J].航空气象科技,1988(3): 23-31. [2] B A 别林斯基.动力气象学[M].仇永炎,杨大晟,谢义炳,等译.北京:高等教育学院出版社,1963.25-27. [3] 赵世发,王俊.陕西两次罕见的特大暴雨对比分析[J].气象,2001,27(10):29-30. [4] 陈创买,郭英琼.气象常用参数和物理量查算表[M].北京:气象出版社,1983.25-27.
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