| 2008年12号台风“鹦鹉”偏心结构成因分析 |
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| 引用本文： | 韦寿赛,梁玉春,梁毅进,赵炎,王志刚.2008年12号台风“鹦鹉”偏心结构成因分析[J].气象研究与应用,2011,32(3):27-30,I0003. |
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| 作者姓名： | 韦寿赛 梁玉春 梁毅进 赵炎 王志刚 |
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| 作者单位： | 贵港市气象局,广西贵港,537100 |
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| 摘 要： | 利用常规观测资料、卫星资料、自动站资料以及NCEP再分析资料等，对2008年12号台风“鹦鹉”的偏心结构进行分析。结果表明：（1）台风活动期间，对流层高层形势稳定，500hPa副高环流比较强盛，有利于台风沿着副高南侧的偏东气流稳定往西北移动。（2）500hPa副高压的下沉气流削弱了台风中心偏北象限上升气流，对流发展向上...
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| 关 键 词： | 台风 “鹦鹉” 暴雨 不对称结构 |
Analysis on the Eccentric Structure of Typhoon Nuri in 2008 |
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| Wei Shou-sai,Liang Yu-chun,Liang Yi-jin,Zhao Yan,Wang Zhi-gang.Analysis on the Eccentric Structure of Typhoon Nuri in 2008[J].Journal of Guangxi Meteorology,2011,32(3):27-30,I0003. |
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| Authors: | Wei Shou-sai Liang Yu-chun Liang Yi-jin Zhao Yan Wang Zhi-gang |
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| Institution: | Wei Shou-sai,Liang Yu-chun,Liang Yi-jin,Zhao Yan,Wang Zhi-gang(Guigang Municipal Meteorological Service,Guigang,Guangxi,537100) |
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| Abstract: | Basing observational data, satellite data, AWS data and NCEP reanalysis data, etc, the eccentric structure of Typhoon ＂ Nuri＂ in 2008 was analyzed. The results show：（1） The relatively strong subtropical high circulation of 500hPa help typhoon move towards northwest along easterly air of the south of subtropical high. （2） The subsiding air of 500hPa subtropical high weakens the updraft of typhoon＇s north quadrant, inhibiting the cloud development in the northern. The dry and cold air in North China blocks warm and humid air in east of the typhoon to transport towards northwest, while the southwest monsoon from Northern South China Sea and the Beibu Gulf add moisture and energy to the southern of typhoon center. It makes the convection in south and west of typhoon center stronger. The uplift velocity centers slope to low latitude with height increasing.That low-pressure circulation of the typhoon in high and low level （in 500hPa） begin to separate （move west） after landing is the important causes of the eccentric structure of the typhoon. |
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| Keywords: | Typhoon Nuri Rainstorm Eccentric structure |
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