文章摘要
李宇丰,魏伟晓,张桥容,张扬.五华县近31 a雷暴气候特征分析[J].广东水利水电,2017,(11):13-15
五华县近31 a雷暴气候特征分析
Climatic Characteristics of Thunderstorm in Wuhua County in Recent 31 Years
投稿时间:2017-08-29  最后修改时间:2017-09-21
DOI:10.11905/j.issn.1008-0112.2017.11.004
中文关键词: 雷暴  气候特征  五华
英文关键词: thunderstorm  climatic characteristic  wuhua
基金项目:
作者单位
李宇丰 广东省五华县气象局,广东 五华 514400 
魏伟晓 广东省五华县气象局,广东 五华 514400 
张桥容 广东省五华县气象局,广东 五华 514400 
张扬 广东省五华县气象局,广东 五华 514400 
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中文摘要:
      利用五华国家基本气象站1983—2013年雷暴资料,采用统计分析方法,对近31 a来五华县雷暴日数的年、季、月变化和初终日等特征进行统计,并进行分析,结果表明:五华近31 a的年平均雷暴日数为68.7 d,最多为1983年的103 d,最少为2003年的40 d,年际变化整体呈缓慢减少的趋势。雷暴主要集中在春、夏季,夏季雷暴日数近31 a占比55.57%,春季次之,占比28.89%。五华每个月均有可能出现雷暴,雷暴日数呈单峰型,峰值出现在7—8月,其中汛期4—9月的雷暴日数占比90.18%。初雷日一般出现在3月,终雷日出现在9—10月较多。初雷日对应的侯平均气温是13℃,终雷日则为23℃。
英文摘要:
      Based on the thunderstorm data of Wuhua National Basic Meteorological Observing Station from 1983 to 2013, statistical analysis is used to analyze the characteristics of thunderstorm days in Wuhua in recent 31 years. The characteristics include the changing numbers of thunderstorm days in annual, quarterly and monthly data, start and ending date. The results show that the annual number of thunderstorms is decreasing slowly. Annual number is at the average of 68.7 days and a maximum of 103 days in 1983 and a minimum of 40 days in 2003. The thunderstorm is concentrated on spring and summer. Summer thunderstorm days are accounted for 55.57%, spring thunderstorm days accounted for 28.89% in recent decades. The monthly variation curve of thunderstorm days is single peak type, the maximum value appears in July to August. Among them, the rainy season from April to September accounted for 90.18% of the number of thunderstorm days. Initial thunderstorm generally appear in March, ending thunderstorm appear in September to October. The five-day average air temperature was 13℃ and 23℃ for thunderstorm start and ending date.
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