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INVESTIGATING THUNDERSTORM WIND DAMAGE WITH A HIGHRESOLUTION VERIFICATION DATASET

机译:使用高分辨率验证数据集调查雷暴风灾

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The National Severe Storms Laboratory's Severe Hazards Analysis and Verification Experiment(SHAVE) began verifying wind damage on high temporal and spatial resolution scales in 2007.During the first three years of wind damage data collection, the details of the reports focused ontree/tree limb size and simple descriptions of structural damage (i.e., "small shed destroyed").During the summer of 2010, the SHAVE wind call script was modified in order to increase the detailof the reports in the archive. The new script focused on concise questions which offered parallels tothe Enhanced Fujita scale damage indicators and degrees of damage. This modification to the callscript and the high resolution nature of the reports allows researchers to compare familiar winddamage signatures from high resolution radar data to a more encompassing and detailed damageswath than can be found in Storm Data. The primary purpose of this study was to investigate radarsignatures associated with severe wind and/or wind damage. Wind damage swaths collectedduring SHAVE were used as the verification for these signatures. In total, 74 SHAVE report swathscollected between 2008 and 2010 were analyzed. This paper summarizes the relationshipsbetween differing storm types and radar signatures while discussing how SHAVE reports can beimplemented when verifying severe wind damage events.
机译:国家强风暴实验室的严重危害分析验证​​实验 (SHAVE)于2007年开始在高时空分辨率尺度上验证风害。 在风灾数据收集的前三年中,报告的详细信息侧重于 树木/树枝的大小和结构损坏的简单描述(即“小棚屋被破坏”)。 在2010年夏季,对SHAVE风速通话脚本进行了修改,以增加细节 存档中的报告。新脚本着重于简洁的问题,这些问题与 增强的藤田量表的损坏指标和损坏程度。对通话的此修改 脚本和报告的高分辨率性质使研究人员可以比较熟悉的风 损坏特征从高分辨率雷达数据到更全面,更详细的损坏 比Storm Data中所能找到的还要多。这项研究的主要目的是调查雷达 与严重风和/或风损坏相关的信号。收集风灾条带 SHAVE期间用作这些签名的验证。总共74个SHAVE报告条带 分析了2008年至2010年之间收集的数据本文总结了这些关系 讨论SHAVE报告的格式时,可以在不同的风暴类型和雷达特征之间进行选择 在验证严重的风害事件时实施。

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