| 宁夏冬季寒潮天气过程对比分析 |
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| 引用本文： | 周翠芳,张广平,杨海山.宁夏冬季寒潮天气过程对比分析[J].甘肃气象,2009,27(2):142-147. |
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| 作者姓名： | 周翠芳 张广平 杨海山 |
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| 作者单位： | 周翠芳,张广平,ZHOU Cuifang,ZHANG Guangping(宁夏石嘴山市气象局,宁夏,石嘴山,753000;兰州大学大气科学学院,甘肃,兰州,730000);杨海山,YANG Haishan(宁夏石嘴山市气象局,宁夏,石嘴山,753000) |
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| 摘 要： | 利用常规天气资料和数值预报产品,应用天气学分析和诊断方法,结合宁夏冬季寒潮预报指标,对2008～2009年冬季2次寒潮天气从天气实况、环流背景、影响系统、天气成因等方面进行了对比分析.揭示了宁夏冬季2次寒潮天气的主要特点和成因,得到了一些宁夏冬季寒潮预报的指示信息.
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| 关 键 词： | 寒潮 天气成因 预报指标 |
Contrastive Analysis of Two Cold Wave Weather Processes in Winter of Ningxia Region |
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| ZHOU Cuifang,ZHANG Guangping,YANG Haishan.Contrastive Analysis of Two Cold Wave Weather Processes in Winter of Ningxia Region[J].Gansu Meteorology,2009,27(2):142-147. |
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| Authors: | ZHOU Cuifang ZHANG Guangping YANG Haishan |
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| Institution: | 1.Shizuishan Meteorological Bureau of Ningxia;Shizuishan 753000;China;2.College of Atmospheric Sciences;Lanzhou University;Lanzhou 730000;China |
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| Abstract: | On the basis of daily observation data and products of numerical forecast,two cold wave weather cases occurred in winter of 2008-2009 in Ningxia region were discussed by using synoptic analysis method and combining cold wave forecast index in winter of Ningxia,including the circulation background,the influence system,synoptic formation cause,ect.The major features and formation causes of two cold wave were revealed,and some instructive information about cold wave forecast in winter in Ningxia region was obt... |
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| Keywords: | cold wave formation cause forecast index |
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