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基于再分析资料的我国龙卷发生环境和通用龙卷指标

王霁吟 陈宝君 宋金杰 王元

王霁吟, 陈宝君, 宋金杰, 王元. 基于再分析资料的我国龙卷发生环境和通用龙卷指标[J]. 气候与环境研究, 2015, 20(4): 411-420. doi: 10.3878/j.issn.1006-9585.2014.14127
引用本文: 王霁吟, 陈宝君, 宋金杰, 王元. 基于再分析资料的我国龙卷发生环境和通用龙卷指标[J]. 气候与环境研究, 2015, 20(4): 411-420. doi: 10.3878/j.issn.1006-9585.2014.14127
WANG Jiyin, CHEN Baojun, SONG Jinjie, WANG Yuan. Atmospheric Conditions of Tornado Genesis and Universal Tornadic Index Based on Reanalysis Data[J]. Climatic and Environmental Research, 2015, 20(4): 411-420. doi: 10.3878/j.issn.1006-9585.2014.14127
Citation: WANG Jiyin, CHEN Baojun, SONG Jinjie, WANG Yuan. Atmospheric Conditions of Tornado Genesis and Universal Tornadic Index Based on Reanalysis Data[J]. Climatic and Environmental Research, 2015, 20(4): 411-420. doi: 10.3878/j.issn.1006-9585.2014.14127

基于再分析资料的我国龙卷发生环境和通用龙卷指标

doi: 10.3878/j.issn.1006-9585.2014.14127
基金项目: 国家自然科学基金项目41175118,国家重点基础研究发展计划项目2013CB430105

Atmospheric Conditions of Tornado Genesis and Universal Tornadic Index Based on Reanalysis Data

  • 摘要: 利用NCEP再分析资料,对2004~2009年《中国气象灾害年鉴》(许小峰,2005-2012)上记录的龙卷按区域进行整合分析,确定在中国适合龙卷发生的大气环境条件。结合国内外已有参数,用临近探空的分析方法初步建立了一个适用于中国的龙卷潜势预报通用指标。研究表明:我国龙卷主要发生在东部地区,其发生发展需要有利的高低空形势场配置,并且不稳定能量的累积、水汽的输送都至关重要;从环境场来看,首要条件是有合适的对流有效位能和大的深层(0~6 km)风切变,低的抬升凝结高度和大的低层(0~1 km)风切变也是重要因素;建立了基于NCEP资料的龙卷潜势预报通用指标,并利用2010~2011年的龙卷事件对该指标进行了预测检验。
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  • 收稿日期:  2014-06-21

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