Abstract:

The most serious low temperature,raining and snowing,icing disaster since the winter of 1954/1955 appeared in the beginning of 2008 in Hubei,which caused direct economic loss up to more than 11 billion yuan.Analyzing characteristics of this disaster and its impact on every trade will provide information and suggestions to similar or other disaster resisting in the future.The results are as follows:（1）the disaster has the following characteristics:a large number of people are affected,severe losses,the destruction of the third and fourth snow process accelerated,strong and long term delaying effect,great burden on the farmers.（2）the affected trades can be clearly classified to 9 types,that is,transportation,electrical network and supply system,communication,agriculture,forest industry,enterprises and municipal facilities,people′s daily life,lake and river freezing,which can be further divided into 24 small types,involving in every aspect of society and common life,demonstrating that the disaster has large scale of influences and serious destruction.（3）the affecting factors mainly contain low temperature,freezing (road or power line icing),snow load,together with strong winds,snowing fog,frozen lakes,snow and ice melting.（4）the longterm snow with low temperature and large quantity of snowfall cause a great harm to the agriculture and forestry industry,and the serious freezing of the electricity,communications,construction facilities,road construction and traffic have greatly 〖JP2〗affected the electrical network,power supply,public safety,social production and daily life.〖

Key words: low temperature, raining and snowing, icing disaster, Hubei Provinre, affecting factors, agriculture, communication, electricity〖ZK)〗〖HT〗〖ST〗〖WT〗〖LM〗