近55年来宾市雷暴日数特征分析

摘要

Using the conventional surface weather observation data from1956 to 2010 of Laibin weather station, the characteristics of thunderstorms were statistical analyzed. The results show that its annual thunderstorm days are about 46 - 106 days （d） .the average number of thunderstorm days of a year are 72.4d. The thunderstorm days are likely occurred in June, July and Aug., which accounts 57.4% of a whole year. Using wavelet analysis method, it shows the thunderstorm activities have a strong vibration cycle of 9-year.%采用1956～2010年广西来宾市国家基本气象站常规地面气象观测资料，对雷暴日数特征进行了统计分析。结果表明，来宾市年雷暴日数在46～106d，年平均雷暴日数为72．4d；来宾市一年中任何一天都有可能出现雷暴天气，其中6、7、8月雷暴日数最多，约占全年雷暴日数的57．4％。小波分析显示，来宾年雷暴活动具有较强的9年周期振动。