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气象:2003,29(9):8-12
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青海东部一次强暴雪天气的Q矢量诊断分析
(青海省气象台,西宁 810001)
Q-Vector Diagnostic Analysis of a Snow-Storm in the Eastern Part of Qinghai Province
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中文摘要: 2002年10月21~22日青海高原东部地区发生近10年以来秋季最强的一次暴雪天气过程。利用Q矢量方法以及GMS 5红外云图、水汽云图和常规观测等资料,对强暴雪天气进行了天气动力学诊断分析。结果表明:Q矢量湿锋生函数、Q矢量散度场和水汽通量散度场与青海高原暴雪区有较好的对应关系,对青海高原的降雪预报有指示作用。
Abstract:The snow-storm in the eastern part of Qinghai Plateau during 21-22,October 2002 was the heaviest process in the last 10 autumns. Based on infrared imagery,vapor image and some conventional observation,the synoptic diagnostic analysis of the snow-storm is made. The results show that there is a good corresponding relationship between Q-vector moist frontolysis function,Q-vector divergence,vapor flux divergence and the snow-storm region of the Qinghai Plateau,and this has a good implication for the snowfall forecast in the Qinghai Plateau.
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引用文本:
李加洛,达成荣,刘海明,贾红莉,韦淑侠,2003.青海东部一次强暴雪天气的Q矢量诊断分析[J].气象,29(9):8-12.
,2003.Q-Vector Diagnostic Analysis of a Snow-Storm in the Eastern Part of Qinghai Province[J].Meteor Mon,29(9):8-12.