Abstract:

Wind disaster is one of the meteorological disasters of Hubei Province, causing huge damages not only in building construction, electric power devices, and communication facilities, but also in agricultural production.Based on the historical data of the wind disasters in Hubei Province during the period of 1963-2011, this study analyzed the recurrence features of wind disasters occurred in Hubei provincial region.The results demonstrated that the wind disasters distributed significantly geography dependent.The provincial wind disasters showed four zones.The highestrisk region suffering from wind disasters was located at XingshanBaokang, Xuanen, WufengYichang, JingzhouGongan, in which Xingshan and Changyang suffered the most wind disasters.On the contrary, Northwest Hubei suffered the fewestrisk wind disasters.Moreover, these disasters appeared seasoning dependent.93% the disasters occurred in spring and summer, much more than that happened in autumn and winter.Decadal analysis of the data during 1963-2011 showed an increasing tendency of the disaster occurrence with time.The peak interval of the disaster was about 25 years, and the peak period was about 3 years.〖