| Mesoscale Vortex Generation and Merging Process： A Case Study Associated with a Post-Landfall Tropical Depression |
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| 作者姓名： | YU Zifeng LIANG Xudong YU Hui Johnny C. L. CHAN |
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| 作者单位： | Shanghai;Typhoon;Institute;China;Meteorological;Administration;Laboratory;Forecast;Technique;Atmospheric;Research;Department;Physics;Materials;Science;City;University;Hong;Kong; |
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| 基金项目： | supported by the State 973 Program (2009CB421505);;supported by the National Natural Science Foundation of China (Grant Nos. 40405012, 40830958 and 40705024);;the Ministry of Science and Technology of China (Grant No. 2005DIB3J104);;Shanghai Meteorological Bureau (Grant Nos. 2009ST11, MS200821) |
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| 摘 要： |
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| 关 键 词： | 中尺度涡旋 低气压 热带 非绝热加热 案例 光伏效应 雷达图像 观测数据 |
Mesoscale Vortex Generation and Merging Process: A Case Study Associated with a Post-Landfall Tropical Depression |
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| YU Zifeng,LIANG Xudong,YU Hui,Johnny C. L. CHAN.Mesoscale Vortex Generation and Merging Process: A Case Study Associated with a Post-Landfall Tropical Depression[J].Advances in Atmospheric Sciences,2010,27(2):356-370. |
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| Authors: | YU Zifeng LIANG Xudong YU Hui and Johnny C L CHAN |
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| Affiliation: | Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, Laboratory of Typhoon Forecast Technique, China Meteorological Administration, Shanghai 200030,Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, Laboratory of Typhoon Forecast Technique, China Meteorological Administration, Shanghai 200030,Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, Laboratory of Typhoon Forecast Technique, China Meteorological Administration, Shanghai 200030,Laboratory for Atmospheric Research, Department of Physics & Materials Science, City University of Hong Kong, Hong Kong |
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| Abstract: | An observational analysis of satellite blackbody temperature (TBB) data and radar images suggests that the mesoscale vortex generation and merging process appeared to be essential for a tropical-depression-related heavy rain event in Shanghai, China. A numerical simulation reproduced the observed mesoscale vortex generation and merging process and the corresponding rain pattern, and then the model outputs were used to study the related dynamics through diagnosing the potential vorticity (PV) equation. The t... |
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| Keywords: | mesoscale vortex tropical depression heavy rain potential vorticity |
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