| 风切变对飞行的影响及其预报时效分析 |
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| 引用本文： | 李秀连,付强,王科,丁叶风.风切变对飞行的影响及其预报时效分析[J].四川地震,2010(1). |
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| 作者姓名： | 李秀连 付强 王科 丁叶风 |
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| 作者单位： | 民航华北空管局气象中心 |
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| 摘 要： | 利用NCEP再分析资料和AMDAR资料,对2008年11月1日首都机场冷锋过境前后风切变现象及其可预报时效进行分析。分析认为:在冷锋过境前后,首都机场存在多种形式的风切变,有高空槽前后的水平风切变、高层和中层急流轴引起的水平风切变、冷锋前逆温层顶上下的水平风切变和地面锋面过境时跑道面上的水平和侧风切变。对各种风切变的可预报时效进行了分析。
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| 关 键 词： | 风切变 临近预报 AMDAR资料 逆温 |
Impact of Wind Shear upon Aviation and Its Predictable Scale |
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| Li Xiulian Fu Qiang Wang Ke Ding Yefeng.Impact of Wind Shear upon Aviation and Its Predictable Scale[J].Earthquake Research in Sichuan,2010(1). |
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| Authors: | Li Xiulian Fu Qiang Wang Ke Ding Yefeng |
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| Institution: | Li Xiulian Fu Qiang Wang Ke Ding Yefeng(Beijing Meteorological Center of CAAC; Beijing 100621); |
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| Abstract: | The wind shear caused by the passing of a cold-front through the Capital Airport on 11 November 2008 and its predictable time scale are analyzed by means of the NCEP re-analysis data and AMDAR data.It is concluded that while the cold-front passing,there existed several forms of wind shear,including the horizontal wind shear related to an upper-level trough;the vertical wind shear caused by the upper-level and mid-level jet axes,temperature inversion before the cold-front,as well as the horizontal-wind and c... |
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| Keywords: | wind shear nowcasting AMDAR data temperature inversion |
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