北京地区2009年夏季6—8月雷电分布特征  

Thunder Distribution Characteristics in Beijing Region During Summer From June to August in 2009

作　　者：于姚钧[1] 李志刚[1] 

机构地区：[1]中国人民大学附中,北京100080

出　　处：《气象与环境科学》2011年第B09期112-115,共4页Meteorological and Environmental Sciences

摘　　要：对2009年北京地区6—8月雷电分布特征分析结果表明:6—8月是北京地区雷电的高发时段,共有雷暴天数60天,其中集中发生在7月下旬和8月上旬,这与北京地区"七下八上"的汛雨分布特征一致;北京地区发生雷电时基本上是持续出现数天,最多持续7天,而不发生雷电时,连续无雷电日出现的次数较多。The analyses of the thunder distribution in Beijing region from June to August in 2009 is done in this paper.It can be found that the period from June to August is that in which thunders occur most frequently in the year,the thunder-occurring total days usually climbs to 60 days,specially in the period from the last ten-day of July to the first ten-day of August which is agree with the rain season distribution in Beijing region.It also can be indicated that thunders can generally occur for several days in series,seven days is the longest.In the other hand,the non-thunder days appear continuously mostly.

关 键 词：北京 夏季 雷电 特征 

分 类 号：P427.321[天文地球—大气科学及气象学]