近23年武汉天河机场雷暴天气变化特征统计分析

Analysis of Thunderstorm Weather Changes at Wuhan Tianhe Airport in Recent 23 Years

摘要: 基于1996~2018年武汉天河国际机场的自动观测数据及人工观测数据资料，本文对天河机场的雷暴日数以及雷暴持续时间的变化特征和演变规律进行了统计分析，得到结果表明：武汉天河国际机场近23年的年雷暴日数的变化趋势是缓慢上升的，平均每10年雷暴日数增加了2天，雷暴持续时间同样呈明显上升的变化趋势，平均每10年上升了9.13小时，雷暴天气通常出现在一年中的1月~11月间，4月~8月是雷暴频发的月份，出现雷暴天气的频率在82.24%，而12月通常没有雷暴天气出现。

Abstract: Based on the automatic and manual observation data of Wuhan Tianhe International Airport from 1996 to 2018, this paper makes a statistical analysis of the changing characteristics and evolution rules of the number of thunderstorm days and the duration of thunderstorm, the results show that: the trend of annual thunderstorm days at Wuhan Tianhe International Airport in nearly 23 years is slowly rising, there’s a 2-day increase per decade, duration of thunderstorms also shows obvious rising trend, there’s a 9.13-hour increase per decade, thunderstorms usually appear in the January to November, thunderstorms frequently occur between April and August, the frequency is 82.24%, and there are usually no thunderstorms in December.