| INFLUENCE OF 200 hPa DIVERGENCE CIRCULATION ON THE TRACKS OF TROPICAL CYCLONES |
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| 作者姓名： | 周学群 张翔 |
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| 作者单位： | Meteorological Observatory of South China Sea Naval Fleet, Zhanjiang, 524001;Meteorological Observatory of South China Sea Naval Fleet, Zhanjiang, 524001 |
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| 摘 要： | The characteristics of 200 hPa divergent wind and velocity potential have been analysed for four kinds of tropical cyclone tracks having impact on the SOuth China Sea.It is found that the difference of monsoon circulation in 200 hPa divergence wind field may affect the medium-range movement characteristics of tropical cyclone tracks.Corresponding to the west Pacific subtropical high,the orientation of 200 hPa secondary convergence line and its extension to the west may indicate the variability of track types.The direction of tropical cyclone movement is 2 longitudes west of and parallel to the 200 hPa secondary divergence line.
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| 关 键 词： | hPa secondary height divergent circulation typhoon track steering flow |
| 收稿时间： | 1992/11/9 0:00:00 |
| 修稿时间： | 1994/6/20 0:00:00 |
INFLUENCE OF 200 hPa DIVERGENCE CIRCULATION ON THE TRACKS OF TROPICAL CYCLONES |
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| Zhou Xuequn and Zhang Xiang.INFLUENCE OF 200 hPa DIVERGENCE CIRCULATION ON THE TRACKS OF TROPICAL CYCLONES[J].Journal of Tropical Meteorology,1996,2(1):26-34. |
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| Authors: | Zhou Xuequn and Zhang Xiang |
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| Institution: | Meteorological Observatory of South China Sea Naval Fleet, Zhanjiang, 524001;Meteorological Observatory of South China Sea Naval Fleet, Zhanjiang, 524001 |
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| Abstract: | The characteristics of 200 hPa divergent wind and velocity potential have been analysed for four kinds of tropical cyclone tracks having impact on the SOuth China Sea.It is found that the difference of monsoon circulation in 200 hPa divergence wind field may affect the medium-range movement characteristics of tropical cyclone tracks.Corresponding to the west Pacific subtropical high,the orientation of 200 hPa secondary convergence line and its extension to the west may indicate the variability of track types.The direction of tropical cyclone movement is 2 longitudes west of and parallel to the 200 hPa secondary divergence line. |
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| Keywords: | hPa secondary height divergent circulation typhoon track steering flow |
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