| NUMERICAL SIMULATIONS AND DOPPLER RADAR DATA ANALYSIS OF A HAIL PROCESS IN HUAIHE RIVER BASIN |
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| 作者姓名： | LI Bai XU Xiaofeng ZHOU Kun |
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| 作者单位： | Nanjing Institute of Meteorology Nanjing 210044，China Meteorological Administration，Beijing 100081，Meteorological Observatory of Anhui Province，Hefei 230061 |
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| 摘 要： | A hail process in Huaihe River Basin observed by CINRAD Doppler radar on 12May 2000 hasbeen simulated by using nonhydrostatic mesoscale numerical model MM5.The simulated wind fieldis analyzed and compared with Doppler radar wind data,both of them show that there was ameso-β cyclone around the hail region.Results show that this meso-β cyclone existed below 3 kmin the troposphere and its cyclonic circulation was very obvious below 1 km.The temperature andmoisture fields from the simulation are also analyzed.Furthermore,the storm-relativeenvironmental helicity and CAPE(convective available potential energy)are discussed.
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| 关 键 词： | hail process numerical simulations radar observation meso-β cyclone |
| 收稿时间： | 2002/3/20 0:00:00 |
| 修稿时间： | 2002/5/20 0:00:00 |
NUMERICAL SIMULATIONS AND DOPPLER RADAR DATA ANALYSIS OF A HAIL PROCESS IN HUAIHE RIVER BASIN |
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| LI Bai,XU Xiaofeng,ZHOU Kun.NUMERICAL SIMULATIONS AND DOPPLER RADAR DATA ANALYSIS OF A HAIL PROCESS IN HUAIHE RIVER BASIN[J].Acta Meteorologica Sinica,2002,16(3):388-400. |
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| Authors: | LI Bai XU Xiaofeng and ZHOU Kun |
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| Institution: | LI Bai Nanjing Institute of Meteorology,Nanjing 210044XU Xiaofeng China Meteorological Administration,Beijing 100081ZHOU Kun Meteorological Observatory of Anhui Province,Hefei 230061 |
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