Analysis of Characters of Lightning Activity and Lightning Disaster in Hunan

Based on the thunderstorm observation data from 1956 to 2013 of meteorological stations in Hunan, the lightning monitoring data from 2008 to 2017, and lightning disaster data from 2002 to 2017, the spatial and temporal distribution characteristics of lightening and lightning disaster in Hunan are analyzed. The results show that: the annual averaged days of thunderstorm in Hunan are 49.9 days, it is decreasing by the rate of 3.493d/10a; the CG lightning return stroke the whole province observed on average about 340,000 times per year; July and August are the peak months of the lightning return stroke; hourly distribution of lightning return stroke appeared as single-peak, the peak period is between 15 and 17 p.m.; Yueyang, Changsha, Huaihua and Shaoyang are lightning disaster-prone areas; most lightning casualties have occurred the rural, lightning protection safety work of the rural needs to be strengthened.