Study on Meteorological Disaster Warning Signal Distribution Formation in Hebei

The temporali and spatial distribution characteristics, the frequency of early warning release were studied using the warning notices issued in Hebei from 2015 to 2018 and the evaluation forms, by means of classification and statistics methods.The results show that the most frequent warning signals are rainstorm, lightning, fog and gale, which are mainly distributed in the central and southern parts of Hebei Province. The total number of warning signals decreases from the central and southern parts to the northwest. The proportion of warning signals in the central and southern part is 68%. By studying and analyzing the spatial and temporal distribution characteristics of early warning signals, this paper provides a scientific basis for establishing corresponding defensive measures in different regions, so as to further enhance the level of meteorological disaster prevention and mitigation early warning.