| DIAGNOSTIC ANALYSIS ON THE DISTRIBUTION OF RAINFALL ASSOCIATED WITH TYPHOON “MOLAVE” (0906) |
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| 引用本文： | 高拴柱,吕心艳.DIAGNOSTIC ANALYSIS ON THE DISTRIBUTION OF RAINFALL ASSOCIATED WITH TYPHOON “MOLAVE” (0906)[J].热带气象学报(英文版),2012,18(2):220-227. |
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| 作者姓名： | 高拴柱 吕心艳 |
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| 作者单位： | National Meteorological Center, Beijing 100081 China;National Meteorological Center, Beijing 100081 China |
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| 基金项目： | Natural Science Foundation of China (40730948; 40905028; 40975035) |
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| 摘 要： | This work examines the mechanism of rainfall associated with typhoon Molave(0906)in Guangdong province and Guangxi Zhuang Autonamous Region with rainfall observations,radar mosaics from China National Meteorological Center and the final analysis data of National Center of Environmental Prediction(FNL/NCEP,USA).The result shows that the mechanism is different for the rainfall in the these areas.The rainfall in eastern Guangdong is mainly associated with a convective line to the front-right of the typhoon.The convective line is about 200 km away from the typhoon center.The rainfall in western Guangdong and Guangxi appear ahead of or to the left of the typhoon and is very close to the typhoon center.Both rainfall moves forward with the typhoon anticlockwise.It was also found that the rainfall occurred in the boundary between unstable and low-level convergent areas and closer to the convergent area.The unstable area is located in the downstream of rainfall and ahead of the convective line.It is an important factor to the development and convection.Strong frontogenesis is observed in the backward or upstream convective area of rainfall and is thus an important lifting condition for the formation of rainfall.When the low-level convergent area moves to the unstable area ahead of it,the unstable energy is left behind and as a result the convection is strengthened.
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| 关 键 词： | typhoon Molave rainfall distribution diagnostic analysis |
| 收稿时间： | 2011/9/30 0:00:00 |
| 修稿时间： | 2012/2/17 0:00:00 |
DIAGNOSTIC ANALYSIS ON THE DISTRIBUTION OF RAINFALL ASSOCIATED WITH TYPHOON“MOLAVE”(0906) |
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| GAO Shuan-zhu and LU Xin-yan.DIAGNOSTIC ANALYSIS ON THE DISTRIBUTION OF RAINFALL ASSOCIATED WITH TYPHOON“MOLAVE”(0906)[J].Journal of Tropical Meteorology,2012,18(2):220-227. |
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| Authors: | GAO Shuan-zhu and LU Xin-yan |
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| Institution: | National Meteorological Center, Beijing 100081 China;National Meteorological Center, Beijing 100081 China |
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| Abstract: | This work examines the mechanism of rainfall associated with typhoon Molave (0906) in Guangdong province and Guangxi Zhuang Autonamous Region with rainfall observations, radar mosaics from China National Meteorological Center and the final analysis data of National Center of Environmental Prediction (FNL/NCEP, USA). The result shows that the mechanism is different for the rainfall in the these areas. The rainfall in eastern Guangdong is mainly associated with a convective line to the front-right of the typhoon. The convective line is about 200 km away from the typhoon center. The rainfall in western Guangdong and Guangxi appear ahead of or to the left of the typhoon and is very close to the typhoon center. Both rainfall moves forward with the typhoon anticlockwise. It was also found that the rainfall occurred in the boundary between unstable and low-level convergent areas and closer to the convergent area. The unstable area is located in the downstream of rainfall and ahead of the convective line. It is an important factor to the development and convection. Strong frontogenesis is observed in the backward or upstream convective area of rainfall and is thus an important lifting condition for the formation of rainfall. When the low-level convergent area moves to the unstable area ahead of it, the unstable energy is left behind and as a result the convection is strengthened. |
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| Keywords: | typhoon Molave rainfall distribution diagnostic analysis |
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