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中文摘要: 通过对常规气象资料、卫星云图和多普勒雷达资料的分析,指出当高空槽超前于地面冷锋,在高空槽附近不稳定能量积累的背景下,生成的后向移动的中尺度系统,是造成鲁北2000年7月22日暴雨的原因。
中文关键词: 暴雨成因，低槽，冷锋，中尺度对流系统，雷达回波
Abstract:By analyzing the routine weather data, satellite cloud picture and Doppler radar data in the paper, the result shows that the main reason resulting in local torrential rain in Northern Shandong Province on July 22 2000 was that mesoscale convective systems ,which formed under the condition of the aloft trough preceding the surface cold front and unstable energy accumulation in the vicinity of the aloft trough , moved backwards.
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基金项目:上海区域气象中心集资基金资助课题“新一代多普勒天气雷达强对流天气预警技术研究”资助
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引用文本：
王凤娇,吴书君,蒋显红,冯桂力,陈文选,2002.鲁北一次前倾槽引发的局地暴雨成因浅析[J].气象,28(7):46-50.
,2002.On Forming Reason of Local Torrential Rain in Northern Shandong Province on July 22 2000[J].Meteor Mon,28(7):46-50.
王凤娇,吴书君,蒋显红,冯桂力,陈文选,2002.鲁北一次前倾槽引发的局地暴雨成因浅析[J].气象,28(7):46-50.
,2002.On Forming Reason of Local Torrential Rain in Northern Shandong Province on July 22 2000[J].Meteor Mon,28(7):46-50.