| 松花江、嫩江流域1998年夏季暴雨过程天气分析 |
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| 引用本文： | 陈立亭,孙永罡,白人海.松花江、嫩江流域1998年夏季暴雨过程天气分析[J].气象,2000,26(10):19-23. |
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| 作者姓名： | 陈立亭 孙永罡 白人海 |
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| 作者单位： | 1. 黑龙江省气象局,哈尔滨,150001
2. 黑龙江省气象台 |
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| 摘 要： | 利用松花江、嫩江流域内９４个气象台站的观测资料和ＮＣＡＲ／ＮＣＥＰ再分析资料，分析了１９９８年夏季降水集中期和主要暴雨过程发生时的天气形势特点。之所以会连续出现暴雨、大暴雨，归纳起来有以下天气特点：（１）亚洲中高纬度阻塞形势稳定；（２）长时间受东北冷涡控制；（３）西太平洋副热带高压短时间北进，位置适中；（４）盛夏北方季风较强盛。
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| 关 键 词： | 暴雨过程 松花江 嫩江 1998年 天气分析 夏季 |
The Analysis of Weather Pattern in the Heavy Rain Process Over Songhuajiang and Nenjiang in 1998 |
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| Chen Liting,Sun Yonggang,Bai Renhai.The Analysis of Weather Pattern in the Heavy Rain Process Over Songhuajiang and Nenjiang in 1998[J].Meteorological Monthly,2000,26(10):19-23. |
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| Authors: | Chen Liting Sun Yonggang Bai Renhai |
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| Abstract: | The weather circulation pattern of the summer tight precipitation period and the main heavy rain course in 1998 were analyzed with the NCAR/NCEP and daily precipitation data from 94 surface stations in Songhuajiang and Nenjiang area.The continuous rainfall can be contributed to the following weather patterns:(1)the steady blocking pattern in the middle and high latitude of Asia,(2) controlled by cold vortex long term,(3)advancing north ward of the subtropical high over the west Pacific and its suitable position,(4)the strong monsoon in midsummer. |
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| Keywords: | weather pattern\ heavy rain process\ Songhuajiang and Nenjiang |
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