使用晋城地区5个气象台站1979～2009年的雷暴观测资料,统计分析了晋城地区雷电的初日、终日,雷电日的年、月分布及时间变化趋势,雷电的空间分布及变化等气候变化特征.结果表明,雷电日数以短周期变化为主,存在3～5年的周期振动,总体有增多的趋势.晋城地区除冬季未观测到雷电现象外,春季、夏季、秋季均有雷电发生.晋城市雷电日空间分布的变化较为明显.%Thunderstorm observation data of five weather stations from 1979 to 2009 in Jincheng areas were used, moreover, the paper analyzed the climatic change characteristics, such as, the first day and last day of thunderstorm, the year and month distribution as well as time variation trend of thunderstorm day, the space distribution and variation of thunderstorm. The results showed that the number of days with thunderstorms mainly short-cycle, there were 3 - 5 years of periodic vibration, in general there was a growing trend. There were thunderstorms in spring, summer and autumn, but except winter in Jincheng areas. The variation of the spatial distribution of thunderstorm day in Jincheng City was obvious.
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