| 新疆阿勒泰地区一次强寒潮天气过程分析 |
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| 引用本文： | 张林梅,庄晓翠,胡磊.新疆阿勒泰地区一次强寒潮天气过程分析[J].甘肃气象,2010,28(1):71-75. |
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| 作者姓名： | 张林梅 庄晓翠 胡磊 |
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| 作者单位： | 新疆阿勒泰地区气象局; |
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| 基金项目： | 新疆气象局科学研究基金“北疆西北部牧业生产灾害天气预报流程暨牧业灾害预评估机制的探讨和研发项目”资助 |
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| 摘 要： | 利用Micaps常规实况图、EC客观分析场及T213 00时的物理量场,从寒潮冷空气的酝酿、堆积、爆发3个阶段分析了2009年2月11～13日新疆阿勒泰地区的一次强寒潮天气过程,重点分析强降温及降水原因。分析表明:此次强寒潮冷空气来自新地岛和泰米尔半岛的超极地强冷空气,强冷空气沿乌拉尔山脊前东北风带和北风带南下堆积到西西伯利亚上空。由于乌拉尔山脊西北部冷空气的侵袭,使该脊向东南跨,推动西西伯利亚强冷空气大举南下,从而造成这次强寒潮天气。形成强降水的原因是北方冷空气与南支槽东移北上的暖湿气流在该地区汇合,并配合动力条件和水汽条件共同造成的。
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| 关 键 词： | 强寒潮 环流形势 物理量分析 阿勒泰地区 |
Analysis of a Strong Cold Wave Process Occurred in Aletai Area |
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| ZHANG Linmei,ZHUANG Xiaocui,HU Lei.Analysis of a Strong Cold Wave Process Occurred in Aletai Area[J].Gansu Meteorology,2010,28(1):71-75. |
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| Authors: | ZHANG Linmei ZHUANG Xiaocui HU Lei |
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| Institution: | Aletai Meteorological Bureau;Aletai 836500;China |
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| Abstract: | Based on the Micaps charts,the EC objective analysis field and the T213 physical quantity field,the strong cold wave weather process occurred in Aletai area from February 11 to 13,2009 was analyzed and focused on causes of strong temperature dropping and rainfall during this weather process.The results indicated that the strong cold air coming from Nova Island and Taymyr accumulated over the west Siberia along the northeast and the north wind zone before the Ural Mountain ridge.Due to the cold air from nort... |
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| Keywords: | strong cold wave circulation situation physical quantity analysis Aletai area |
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