| 西折台风的诊断研究 |
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| 引用本文： | 袁军,阮小建,潘小凡,翟国庆,高坤.西折台风的诊断研究[J].气象,1996,22(1):29-32. |
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| 作者姓名： | 袁军 阮小建 潘小凡 翟国庆 高坤 |
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| 作者单位： | 浙江省气象台，杭州大学 |
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| 摘 要： | 利用欧洲中心格点场资料，对１９８０－１９９２年９例北上西折台风进行诊断分析。结果表明，当达到一定强度的台风西折时，其移动路径左前侧常有暖平流增强，水汽通量辐合增大，不稳定层结加强，高空辐散和整层气旋性环流增强，以及在这些物理变量中心增大区的相迭区有整层降高中心，从而引起台风向负变高中心移动。
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| 关 键 词： | 台风 诊断 路径 天气分析 |
Diagnostic Study of Westwards Turning Typhoons |
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| Yuan Jun,Ruan Xiaojian.Diagnostic Study of Westwards Turning Typhoons[J].Meteorological Monthly,1996,22(1):29-32. |
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| Authors: | Yuan Jun Ruan Xiaojian |
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| Abstract: | pplying the grid point field data of ECMWF,the diagnostic analyses to nine typhoonsfrom 1980 to 1992 which took a west turn while they moved north were made. The resultshows that when typhoons took west turns,there are warm advection, vapour flux convergence,stratification instability,aeroligical divergence and entire level cyclonic circlllation addition, and there is an entire level height descent center in the coverage of those additionarea,which result in typhoons to take a west turn while they move north. |
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| Keywords: | ynoptic analysis westwards turning track physical diagnosis |
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