A cloud-resolving regional simulation of tropical cyclone formation |
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| Affiliation: | 1. Key Laboratory of Cloud-Precipitation Physics and Severe Storms (LACS), Institute of Atmospheric Physics, Chinese Academy of Sciences (CAS), Beijing 100029, China;2. University of Chinese Academy of Sciences (UCAS), Beijing 100049, China;1. Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;2. School of Atmospheric Sciences, and Key Laboratory of Tropical Atmosphere-Ocean System, Ministry of Education, Sun Yat-sen University, Zhuhai 519082, China;3. Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China;4. Key Laboratory of Climate Resource Development and Disaster Prevention in Gansu Province, College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China;1. State Key Laboratory of Severe Weather (LaSW), Chinese Academy of Meteorological Sciences, Beijing 100081, China;2. Chinese Academy of Meteorological Sciences, Beijing 100081, China;3. Key Laboratory for Cloud Physics of China Meteorological Administration, Beijing 100081, China;1. State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, China;2. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disaster (CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing, China;3. Aviation Meteorological Center, Air Traffic Management Bureau, Civil Aviation Administration of China, Beijing, China;4. Department of Atmospheric and Oceanic Sciences, Institute of Atmospheric Sciences, Fudan University, Shanghai, China;5. CMA-FDU Joint Laboratory of Marine Meteorology and Shanghai Frontiers Science Center of Atmosphere-Ocean Interaction, Shanghai, China,;6. Naqu Meteorological Service, Naqu, China |
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| Abstract: | The development of Tropical Cyclone Diana (1984) is simulated with a mesoscale model using 1.2 km grid spacing over a regional-scale (>1000 km) domain in the first known experiment of this kind. With only a synoptic-scale disturbance in the initial conditions, the model first develops a mesoscale convective system along a remnant frontal zone, which yields a mesoscale vortex. After a period of quiescence, banded convection organizes about the vortex from isolated, grid-resolved cells, with the system becoming warm-core and intensifying into Tropical Storm Diana. |
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