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孟加拉湾超级风暴费林对西藏强降水的影响分析

德庆 徐臖 宗志平 赤曲 罗布坚参 代华光

气象Issue(9):1086-1094,9.
气象Issue(9):1086-1094,9.DOI:10.7519/j.issn.1000-0526.2015.09.005

孟加拉湾超级风暴费林对西藏强降水的影响分析

Analysis on Impact of Superstorm Phailin on Severe Precipitation in Tibet

德庆 1徐臖 2宗志平 2赤曲 1罗布坚参 1代华光1

作者信息

  • 1. 西藏自治区气象台,拉萨 850000
  • 2. 国家气象中心,北京 100081
  • 折叠

摘要

Abstract

Using NCEP/NCAR (2.5°×2.5°)reanalysis data,conventional and unconventional data and based on the environmental and mesoscale characteristics,this paper analyzes the impact of the superstorm“Phailin”in the Bay of Bengal on the severe precipitation in Tibet.The results show that after Phailin’s landing,it weakens into a low pressure.The development of the low pressure clouds is divided into two stages,forming three mesoscale convective cloud cluster,which controls the Tibetan Plateau severely un-der the influence of southern branch.The occurrence of severe precipitation has direct corresponding rela-tions with the speed of southern winds.The southern part of Tibet does not see severe precipitation until the establishment of the low-level southwestern jet while the establishment of the low-level jet results from the contribution of the southern branch.The important relationship between the speed of southern winds and severe precipitation is quite conductive to forecasting such weather events.

关键词

费林(Phailin)/西藏/强降水/南风风速

Key words

Phailin/Tibet/severe precipitation/speed of southern winds

分类

天文与地球科学

引用本文复制引用

德庆,徐臖,宗志平,赤曲,罗布坚参,代华光..孟加拉湾超级风暴费林对西藏强降水的影响分析[J].气象,2015,(9):1086-1094,9.

基金项目

公益性行业(气象)科研专项(GYHY201406015)和干旱气象科学基金项目(IAM201310)共同资助 ()

气象

OA北大核心CSCDCSTPCD

1000-0526

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