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| 珠三角一次暖区强降水过程湿位涡的演变特征 | |
| 引用本文： | 叶爱芬,李江南,徐永辉,伍志方,何如意,蔡榕硕. 珠三角一次暖区强降水过程湿位涡的演变特征[J]. 热带气象学报, 2011, 27(2): 237-243. DOI: 10.3969/j.issn.1004-4965.2011.02.012 |
| 作者姓名： | 叶爱芬 李江南 徐永辉 伍志方 何如意 蔡榕硕 |
| 作者单位： | 1. 中山大学环境科学与工程学院,广东广州510275;广州市气象台,广东广州510080 2. 中山大学环境科学与工程学院,广东广州,510275 3. 广州市花都区气象局,广东广州,510800 4. 广州市气象台,广东广州,510080 5. 国家海洋局海洋-大气化学与全球变化重点实验室,福建厦门,361005 |
| 基金项目： | 国家海洋局海洋-大气化学与全球变化重点实验室开放基金课题(GCMAC0809); 国家自然科学基金项目(40775068); 国家重点基础研究发展规划项目(2010CB428504)共同资助 |
| 摘 要： | 首先利用常规资料分析了2008年6月13日发生在珠江三角洲地区的一次暖区强降水的天气背景,再借助于高时空分辨率的WRF中尺度数值模拟结果,对等压面湿位涡在强降水过程中的演变进行了诊断分析,结果表明:暴雨出现在高层高值MPV1和低层低值MPV1、低层高值MPV2的配置区,本次暴雨高层高值MPV1扰动来自西北和西南方向,低... |
| 关 键 词： | 天气学 暴雨 湿位涡 数值模拟 |
EVOLUTION OF MOIST POTENTIAL VORTICITY DURING A WARM-ZONE HEAVY RAINFALL EVENT IN THE PEARL RIVER DELTA |
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| YE Ai-fen,LI Jiang-nan,XU Yong-hui,WU Zhi-fang,HE Ru-yi,CAI Rong-shuo. EVOLUTION OF MOIST POTENTIAL VORTICITY DURING A WARM-ZONE HEAVY RAINFALL EVENT IN THE PEARL RIVER DELTA[J]. Journal of Tropical Meteorology, 2011, 27(2): 237-243. DOI: 10.3969/j.issn.1004-4965.2011.02.012 | |
| Authors: | YE Ai-fen LI Jiang-nan XU Yong-hui WU Zhi-fang HE Ru-yi CAI Rong-shuo |
| Affiliation: | YE Ai-fen1,2,LI Jiang-nan1,XU Yong-hui3,WU Zhi-fang2,HE Ru-yi2,CAI Rong-shuo4 (1.School of Environmental Science and Engineer,Sun Yat-sen University,Guangzhou 510275,China,2.Guangzhou Meteorological Observatory,Guangzhou 510080,3.Huadu District Bureau of Meteorology,Guangzhou 510800,4.The Key Laboratory of Global Change and Marine-Atmospheric Chemistry,Third Institute of Oceanography,State Oceanic Administration of China,Xiamen 361005,China) |
| Abstract: | First,based on routine meteorological data,the synoptic characteristics of a heavy warm-zone rainfall that occurred on June 13th,2008 in the Pearl River Delta were analyzed.Second,a mesoscale numerical model,Weather Research and Forecasting(WRFV2.2),was used to simulate the heavy rainfall.Diagnostic analyses were done of MPV(moist potential vorticity) for its horizontal components(MPV2) and vertical components(MPV1) based on the simulation results of WRFV2.2 to identify the mechanism of the rainfall develop... |
| Keywords: | synoptic meteorology heavy rainfall MPV(moist potential vorticity) numerical simulation |
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