Typhoon HATO (2017) Development Case Simulation Diagnostic Analysis

• Main Authors: Guo, Song-Hao, 郭淞豪
• Other Authors: Shen, Horng-Syi
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/c33zg5

碩士 === 國防大學理工學院 === 大氣科學碩士班 === 106 === Though Typhoon Hato（2017） did not make a landfall directly on Taiwan. However, it moved straightly to Hong Kong and Macau after entering South China Sea and caused severe damages. During the process of typhoon approaching Taiwan, the intensity didn’t increase. However, it had rapidly intensified after passing through southern part of Taiwan. The vorticity was increased to 180x10-5 s-1. Therefore, the synoptic atmosphere condition was quite intriguing. In this study, we can see that the rainfall structure on southern part of Taiwan was not organized. The main convective and precipitation area were unevenly distributed, also, the upper and bottom layers was not integrated well. Typhoon Hato’s structure re-organized quickly after entering South China Sea and developed into moderate typhoon in less than one day. After comparing the simulation and the actual path is very close, even when the oceanic observation data are fewer, the sea level pressure and rainfall amount of simulation results are still improved.