| 早春华南局地强风暴与低层水汽通道 |
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| 引用本文： | 杨平章,杨海抒,王凌.早春华南局地强风暴与低层水汽通道[J].热带气象学报,1990(1):32-37. |
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| 作者姓名： | 杨平章 杨海抒 王凌 |
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| 作者单位： | 中山大学大气科学系
(杨平章，杨海抒)，中山大学大气科学系(王凌) |
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| 摘 要： | 本文分析了1980年3月4—6日发生在华南的一系列局地强风暴,发现对流层低层水汽通道的活动和潜在对流不稳定I指数的变化与局地强风暴有很密切的关系。用常规资料分析水汽通道与I指数的变化对灾害性局地强风暴有一定预报意义,通常局地强风暴发生在沿水汽通道方向水汽通量最大值的前方。
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| 收稿时间： | 1988/10/22 0:00:00 |
| 修稿时间： | 1989/1/10 0:00:00 |
LOW LEVEL MOISTURE CHANNEL AND SEVERE LOCAL STORMS FOR SOUTH CHINA IN EARLY SPRING |
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| Yang Pingzhang,Yang Haishu and Wang Ling.LOW LEVEL MOISTURE CHANNEL AND SEVERE LOCAL STORMS FOR SOUTH CHINA IN EARLY SPRING[J].Journal of Tropical Meteorology,1990(1):32-37. |
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| Authors: | Yang Pingzhang Yang Haishu and Wang Ling |
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| Institution: | Department of Atmospheric Sciences, Zhongshan University;Department of Atmospheric Sciences, Zhongshan University;Department of Atmospheric Sciences, Zhongshan University |
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| Abstract: | In this paper a succession of severe local storms occurring in South China on March 4-6, 1980 are analyzed. Moisture channels in the lower troposphere,or Index I for potential convective instability, are found to be related closely with severe local storms. Used to analyze moisture channels and the change in Index I, routine data has some predictability in the forecast of severe local storms, which usually occur in front of maximum moisture flux in the direction of the moisture movement. |
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