Wind estimation around the shipwreck of Oriental Star based on field damage surveys and radar observations

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• 作者：Zhiyong Meng ; Dan Yao ; Lanqiang Bai ; Yongguang Zheng ; Ming Xue…
• 关键词：Squall line ; Bow echo ; Microburst ; Damage survey ; Drone ; Tornado ; 飑线 ; 弓形回波 ; 微下击暴流
灾害调研 ; 无人机 龙卷
• 刊名：Chinese Science Bulletin
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：61
• 期：4
• 页码：330-337
• 全文大小：4,716 KB
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• 作者单位：Zhiyong Meng (1)
  Dan Yao (1)
  Lanqiang Bai (1)
  Yongguang Zheng (2)
  Ming Xue (3)
  Xiaoling Zhang (2)
  Kun Zhao (3)
  Fuyou Tian (2)
  Mingjun Wang (3)
  
  1. Laboratory for Climate and Ocean–Atmosphere Studies, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, 100871, China
  2. National Meteorological Center, Beijing, 100081, China
  3. School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
  
• 刊物主题：Science, general; Life Sciences, general; Physics, general; Chemistry/Food Science, general; Earth Sciences, general; Engineering, general;
• 出版者：Springer Berlin Heidelberg
• ISSN：1861-9541

文摘

Based on observational analyses and on-site ground and aerial damage surveys, this work aims to reveal the weather phenomena—especially the wind situation—when Oriental Star capsized in the Yangtze River on June 1, 2015. Results demonstrate that the cruise ship capsized when it encountered strong winds at speeds of at least 31 m s−1 near the apex of a bow echo embedded in a squall line. As suggested by the fallen trees within a 2-km radius around the wreck location, such strong winds were likely caused by microburst straight-line wind and/or embedded small vortices, rather than tornadoes. Keywords Squall line Bow echo Microburst Damage survey Drone Tornado