| 山东省龙卷风发生的气候特征 |
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| 引用本文： | 薛德强,杨成芳.山东省龙卷风发生的气候特征[J].山东气象,2003,23(4):9-11. |
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| 作者姓名： | 薛德强 杨成芳 |
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| 作者单位： | 山东省气象中心,山东,济南,250031 |
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| 摘 要： | 根据藤田-皮尔森强度分类法对1950年～2000年山东省出现的351次龙卷风进行分类，其中F0级61次，F1级256次，F2级34次。山东半岛、鲁中、鲁南出现次数较多，鲁西北较少。1950～1972年发生次数明显高于1973～2000年。龙卷风发生存在明显的季节变化，夏季发生较多。龙卷风主要发生于午后至傍晚，多数龙卷风仅能维持几分到十几分钟。
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| 关 键 词： | 龙卷风 气候特征 藤田-皮尔森强度分类法 强度等级 山东 |
| 文章编号： | 1005-0582(2003)04-0009-03 |
Features of Tornadoes Distribution in Shandong Province |
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| XUE De-qiang,YANG Cheng-fang.Features of Tornadoes Distribution in Shandong Province[J].Journal of Shandong Meteorology,2003,23(4):9-11. |
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| Authors: | XUE De-qiang YANG Cheng-fang |
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| Abstract: | Abstract:Based on investigating of tornadoes in Shandong province, there are 351 tornadoes with f0 -scale 61 , f1 -scale 256, f2-scale 34 from 1950 to 2000 respectively. There are more tornadoes in Shandong peninsula ,in the center of Shandong ,in the south of Shandong ,but there are less tornadoes in the north-west of Shandong .From 1950 to 1972 the quantity of the tornadoes is much high than that of the period after 1972. Remarkable season change exists about the emergence of tornado. In summer through mid-day to the evening there are more tornadoes.The duration of most of tornadoes is from a few minutes to more than ten minutes. |
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| Keywords: | tornado features of distribution intensity scale |
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