对流下击暴流对海上运输危害的研究
Investigation of Convective Downburst Hazards to Marine Transportation
摘要：
已知对流下击暴流会产生潜在的危险天气条件。目前，严重性指数用于估计潜在下击暴流的强度，但这些信息并不容易转化为受下击暴流事件影响的变量。由于风向和风速的快速变化，下击暴流的影响通常与航空有关，但也可以在海洋条件下观察到。选择了三个最近观测到的下击暴流事件作为案例研究，以评估下击暴流对海洋环境的影响。这些事件收集的信息包括风速、地面阵风和风向、气温和气压、水位和湿微下击暴流严重指数（WMSI）值。WMSI值之间的相关性，最大阵风，并在水位的变化建议。
英文摘要：
Convective downbursts are known to produce potentially hazardous weather conditions. Currently, severity indices are used to estimate the strength of a potential downburst, but this information does not readily translate to the variables affected by downburst events. The effects of downbursts are often associated with aviation because of rapid changes in wind direction and speed, but can also be observed in marine conditions. Three recently observed downburst events have been selected as case studies to evaluate the effects of the downbursts on the marine environment. The information gathered on these events includes wind speed, gusts and direction at the surface, air temperature and pressure, water level, and Wet Microburst Severity Index (WMSI) values. Correlation between the WMSI values, the maximum wind gust, and the change in water level is suggested.
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