本文通过统计分析2010~2016年夏季(6~8月)武汉地区五个国家气象观测站(武汉、蔡甸、黄陂、新洲、江夏)出现的灾害性大风个例,得到如下特征:空间分布呈现南多北少的趋势;时间上,2013年出现次数最多,7月发生大风次数最多,7月下旬至8月上旬,为一年之中多发期;一天中11~13时为高峰期,极值出现在12时,02~06时出现最少。风向频次出现最多的为SSW、SW、WSW,最少为WNW;风力以6级最多,7级次之,最大风力为9级。区域性大风在2016年和2013年最多,且主要出现在7月,武汉、蔡甸两站出现频次最多,新洲最少。连续性大风出现最多的年份为2010年和2013年,8月最多,尤其是8月上旬。
This paper obtains the following characteristics through statistical analysis of the examples of disaster-related winds in five national meteorological observatories (Wuhan, Caidian, Huangxuan, Xinzhou, Jiangxia) in Wuhan region in the summer of 2010~2016 (June-August). The trend is much more northerly; in time, 2013 was the most frequent, with the highest number of gales occurring in July, from late July to early August, the most frequent period of the year; peaking at 11~13 a.m. and peaking at 12 p.m. Minimum at 02~06. The wind frequency is SSW, SW, WSW, at least WNW. Regional winds were the most frequent in 2016 and 2013, and mainly in July, with Wuhan and Caidian stations seeing the most frequency and New Island the least. The years with the highest number of continuous gales were 2010 and 2013, with the highest number in August, especially in early August.