| “4.12“强沙尘暴天气中期分析 |
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| 引用本文： | 高凤荣,吉惠敏,宋秀玲.“4.12“强沙尘暴天气中期分析[J].甘肃气象,2001,19(2):31-33. |
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| 作者姓名： | 高凤荣 吉惠敏 宋秀玲 |
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| 作者单位： | 高凤荣（兰州中心气象台,甘肃,兰州,730020）;吉惠敏（兰州中心气象台,甘肃,兰州,730020）;宋秀玲（兰州中心气象台,甘肃,兰州,730020） |
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| 摘 要： | 从中期预报的角度,对2000年4月12日甘肃河西中东部强沙尘暴天气过程的环流演变特征、波谱特征以及冷空气活动等方面,进行了初步分析.分析结果表明,这次强沙尘暴天气是在2波转1波的环流调整中生成长波槽,其后又在1波转2波,3波增幅的情况下,由长波槽调整造成的.
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| 关 键 词： | 强沙尘暴 环流调整 长波槽 |
| 文章编号： | 1006-7639(2001)-02-0031-03 |
| 修稿时间： | 2001年2月5日 |
A medium- range synoptic analysis of Strong dust storm on 12 April 2000 |
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| GAO Feng-rong,JI Hui-ming,SONG Xiu-ling.A medium- range synoptic analysis of Strong dust storm on 12 April 2000[J].Gansu Meteorology,2001,19(2):31-33. |
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| Authors: | GAO Feng-rong JI Hui-ming SONG Xiu-ling |
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| Abstract: | In the view of synoptic forecast,the strong dust storm occurred in the Hexi of Gansu on 12 April 2000 has been analyzed in respect of circulation characteristics,spectrum characteristics and cool air activities.It's main factor is a long wave trough came from the 2 waves adjusted to 1 wave and which is enhancing by 1 wave converting to 2 waves,3 waves. |
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| Keywords: | Strong dust storm adjusting circulation Long ware trough |
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