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暴雨灾害  2018, Vol. 37 Issue (3): 213-218    DOI: 10.3969/j.issn.1004-9045.2018.03.003
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南岳山、庐山高山站风场对长江流域梅雨锋暴雨的指示作用
徐双柱1,陈静静2,王青霞2
1. 武汉中心气象台,武汉 430074;2. 湖南省气象台,长沙 410118
The indicative effect of the wind field at the Mount Nanyue and Mount Lu stations on the
plum rain front rainstorm in the Yangtze River Basin
XU Shuangzhu1,CHEN Jingjing2,WANG Qingxia2
1. Wuhan Center Meteorological Observatory, Wuhan 430074; 2. Hunan Meteorological Observatory, Changsha 410118
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摘要 利用2005—2013年6—7月南岳山、庐山高山站逐时风场观测资料、1990—2013年NCEP/NCAR全球再分析资料(1°×1°)、常规探空资料以及自动站雨量资料,分析南岳山、庐山高山站风演变对长江流域梅雨锋暴雨的指示作用。长江流域梅雨锋暴雨主要有两种类型天气形势,其共同点在中低层都存在有较强的偏南风急流,暴雨强弱与低空急流强弱相对应;南岳山、庐山逐小时风观测资料可以完整展现低空偏南风急流的演变,当南岳山偏南风显著增大到12 m·s-1以上,
庐山偏南风显著增大到8 m·s-1以上,对应长江流域出现区域性暴雨过程;南岳山、庐山逐小时偏南风连续3 h维持不同大小与梅雨锋雨带有较好的对应关系,并且有2~8 h的预报提前量,为预报员进行暴雨落区预报提供了很好的参考依据。
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作者相关文章
徐双柱
陈静静
王青霞
关键词南岳山;   庐山;   西南风;   梅雨锋暴雨;   指示作用     
Abstract: In this study, we analyze how wind evolution influences the plum rain front rainstorm by using the observational data of wind field at Mount Nanyue and Mount Lu from June 1th to July 31th during 2005-2013, the NCEP / NCAR global reanalysis data (1°×1°)during 1990-2013, as well as conventional sounding data and automatic station rainfall data. There are two types of synoptic systems in the plum rain front over the Yangtze river. The common points are as follows. There are strong southerly jets in the middle and lower levels. The intensity of the heavy rain corresponds to the intensity of low level jet. When the southwesterly wind on Mount Nanyue increases to 12 m·s-1 or more and the southerly flow on Mount Lu significantly increases to 8 m·s-1 or more, there will be regional heavy rain in the Yangtze river basin. Southerly flow that maintains different velocity for three consecutive hours on Mount Nanyue and Mount Lu has a good relationship with the rain belt of plum rain front. Moreover, the southerly flow can predict rainfall area in 2-8 hours advance. So, it will be a good index for rainfall area forecast.
Key wordsMount Nanyue;   Mount Lu;   Southerly wind;   plum rain front rainstorm;   forecast index   
引用本文:   
徐双柱, 陈静静, 王青霞 .2018. 南岳山、庐山高山站风场对长江流域梅雨锋暴雨的指示作用[J]. 暴雨灾害, 37(3): 213-218.
XU Shuang-Zhu, CHEN Jing-Jing, WANG Qing-Xia .2018. The indicative effect of the wind field at the Mount Nanyue and Mount Lu stations on the
plum rain front rainstorm in the Yangtze River Basin[J]. Torrential Rain and Disasters, 37(3): 213-218.
 
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[2] 周冠博, 高守亭. 二阶位涡在暴雨预报中的应用[J]. 暴雨灾害, 2014, 33(4): 320-324.
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