| 华北南部一次回流暴雪天气的诊断分析 |
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| 引用本文： | 田秀霞,宋晓辉,程序,董占强,李菊香,聂振岭.华北南部一次回流暴雪天气的诊断分析[J].气象与环境学报,2011,27(1):35-39. |
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| 作者姓名： | 田秀霞 宋晓辉 程序 董占强 李菊香 聂振岭 |
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| 作者单位： | 邯郸市气象局，河北 邯郸 056001 |
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| 基金项目： | 国家自然科学基金，河北省自然科学基金 |
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| 摘 要： | 利用常规观测资料和NCEP再分析资料,对发生在华北南部的一次回流暴雪天气过程进行了动力、热力等诊断分析.结果表明:该回流暴雪天气属于华北回流中的两槽一脊型,导致这次强降雪的影响系统是高空急流、西来槽、低涡切变和低空急流,东北冷空气起到了触发作用.最大降水出现在南北风转换阶段,当东北风完全控制低层,降水结束.高空辐散和低...
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| 关 键 词： | 回流暴雪 急流 诊断分析 |
| 收稿时间： | 2010-06-18 |
Diagnostic analysis of a heavy snow of return-flow event in North China |
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| TIAN Xiu-xia,SONG Xiao-hui,CHENG Xu,DONG Zhan-qiang,LI Ju-xiang,NIE Zhen-ling.Diagnostic analysis of a heavy snow of return-flow event in North China[J].Journal of Meteorology and Environment,2011,27(1):35-39. |
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| Authors: | TIAN Xiu-xia SONG Xiao-hui CHENG Xu DONG Zhan-qiang LI Ju-xiang NIE Zhen-ling |
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| Affiliation: | Handan Meteorological Bureau, Handan 056001, China |
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| Abstract: | Based on the conventional observational data and the NCEP reanalysis data,the dynamic and thermodynamic characteristics of a heavy snow of return-flow event in the southern part of North China were analyzed.The results indicate that synoptic situation of this process is two troughs and one ridge.The influencing system leading to the heavy snow of return-flow event includes high level jet,westerly trough,low vortex shear and low level jet,and cold air in Northeast China triggers this event.The maximum precip... |
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| Keywords: | Heavy snow of return-flow event Jet stream Diagnostic analysis |
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