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| THE INFLUENCE OF SOUTH CHINA SEA SUMMER MONSOON ON THE RAINSTORM ASSOCIATED WITH THE LANDFALLING STRONG TROPICAL STORM BILIS (0604) | |
| 作者姓名： | 刘春霞 蒋小平 费志宾 赵思楠 罗万军 |
| 作者单位： | [1]LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301 China; [2]Graduate School of the Chinese Academy of Sciences, Beijing 100049 China; [3]Institute of Meteorology, PLA University of Science and Technology, Nanjing 211101 China; [4]Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China; [5]Hydrometeorological Center, Guangzhou Military Area Command, Guangzhou 510083 China; [6]Hydrometeorological Center of the Headquarters of General Staff, Beijing 100081 China; [7]Meteorological Observatory of Army Post No.92689, Zhanjiang 524091 China |
| 基金项目： | Experiement on the coupling of typhoons, waves and storm surges in the South China Sea and estimation of typhoon-inflicted disasters, a project from the Research Foundation for Tropical and Marine Meteorological Science; a project from the Natural Science Foundation of China (40333026) |
| 摘 要： | Bilis （0604） is a strong tropical storm that sustained over land for a long time, bringing torrential rain. With conventional observation data, radar data and infrared satellite imagery, Mesoscale Convective Systems （MCSs） are found to form and develop successively, which cause torrential rain. Then numerical simulation is conducted using MM5 to simulate a 66-h post-landfall process. The simulated distribution and intensity of precipitation match the observation well. With the simulated result, the characteristics and process of MCS development are analyzed with the finding that the convergence of the tropical depression and South China Sea （SCS） summer monsoon over The south of China causes the formation of a mesoscale vortex, mesoscale convergence center and mesoscale convergence line, which are favorable to the development and sustaining of the MCSs. A sensitivity experiment indicates that the SCS summer monsoon transports unstable energy and water vapor continuously, which is of vital importance to rainstorms. |
| 关 键 词： | 台风 分析 天气学 热带气象 |
THE INFLUENCE OF SOUTH CHINA SEA SUMMER MONSOON ON THE RAINSTORM ASSOCIATED WITH THE LANDFALLING STRONG TROPICAL STORM BILIS (0604) |
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| LIU Chun-xi,JIANG Xiao-ping,FEI Zhi-bin,ZHAO Si-nan and LUO Wan-jun.THE INFLUENCE OF SOUTH CHINA SEA SUMMER MONSOON ON THE RAINSTORM ASSOCIATED WITH THE LANDFALLING STRONG TROPICAL STORM BILIS (0604)[J].Journal of Tropical Meteorology,2008,14(2):153-156. | |
| Authors: | LIU Chun-xi JIANG Xiao-ping FEI Zhi-bin ZHAO Si-nan and LUO Wan-jun |
| Affiliation: | 1. LED, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301 China;Graduate School of the Chinese Academy of Sciences, Beijing 100049 China;Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China 2. Institute of Meteorology, PLA University of Science and Technology, Nanjing 211101 China;Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China 3. Hydrometeorological Center, Guangzhou Military Area Command, Guangzhou 510083 China 4. Hydrometeorological Center of the Headquarters of General Staff, Beijing 100081 China 5. Meteorological Observatory of Army Post No.92689, Zhanjiang 524091 China |
| Abstract: | Bilis (0604) is a strong tropical storm that sustained over land for a long time, bringing torrential rain. With conventional observation data, radar data and infrared satellite imagery, Mesoscale Convective Systems (MCSs) are found to form and develop successively, which cause torrential rain. Then numerical simulation is conducted using MM5 to simulate a 66-h post-landfall process. The simulated distribution and intensity of precipitation match the observation well. With the simulated result, the characteristics and process of MCS development are analyzed with the finding that the convergence of the tropical depression and South China Sea (SCS) summer monsoon over The south of China causes the formation of a mesoscale vortex, mesoscale convergence center and mesoscale convergence line, which are favorable to the development and sustaining of the MCSs. A sensitivity experiment indicates that the SCS summer monsoon transports unstable energy and water vapor continuously, which is of vital importance to rainstorms. |
| Keywords: | Bilis MM5 SCS Summer Monsoon MCS |
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