| 两次相隔较近的降雨和降雪天气对比分析及其预报着眼点 |
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| 引用本文： | 齐杰,王浩,高松影,孙连强.两次相隔较近的降雨和降雪天气对比分析及其预报着眼点[J].安徽农业科学,2010,38(18):9635-9638. |
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| 作者姓名： | 齐杰 王浩 高松影 孙连强 |
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| 作者单位： | 1. 辽宁省兴城市气象局,辽宁兴城,125100
2. 辽宁省丹东市气象局,辽宁丹东,118000 |
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| 摘 要： | 针对2009年2月相隔时间较短的两次降雨和降雪天气过程,从环流形势、影响系统、中低层温度层结特征、数值预报产品应用等进行了对比分析。结果表明,判断冬季降水形态是雨还是雪,除了要细致分析温度垂直分布状况外,还要准确预报冷空气入侵时间、气温下降的速度,尤其是雨雪分界线相配合的高低层气温临界值更是做好雨雪预报的关键点;降水前高空地面温度不同是照成降水性质不同的主要原因。
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| 关 键 词： | 雨雪 特征 对比 预报 |
Comparative Analysis of Rain and Snow Weather with Close Interval Time and the Forecast Focus |
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| QI Jie et al.Comparative Analysis of Rain and Snow Weather with Close Interval Time and the Forecast Focus[J].Journal of Anhui Agricultural Sciences,2010,38(18):9635-9638. |
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| Authors: | QI Jie |
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| Institution: | QI Jie et al(Meteorological Bureau of Xingcheng in Liaoning Province,Xingcheng,Liaoning 125100) |
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| Abstract: | Aiming at rain and snow weather process with short interval time in February of 2009,the comparison analysis was made from the circulation situation,affecting system,the lower-layer temperature stratification characteristics and the application of numerical forecast products.To determine winter rainfall pattern is rain or snow,in addition to a detailed analysis of the vertical distribution of temperature,the invasion time of cold air and the decline rate of temperature should be accurately forecast.Particul... |
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| Keywords: | Sleet Characteristic Contrast Forecast |
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