2013•Science Technology and EngineeringRequires access
Analysis of the Climate Characteristics of Thunderstorms in Fuding Area
Zhiying Ding
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Abstract
In order to reveal the climatic variation characteristics of thunderstorm in Fuding under global warming, Using the observational thunderstorm data of meteorological station in Fuding during 1971-2010,and the characteristics of thunderstorm were anlyzed by climate trend rate method and climate trend coefficient method.The results show that;①the annual average number of thunderstorm days is 48 d in Fuding and the total trend of thunderstorm has been decreased in the recent 40 years,the rate of its climate tendency is 2 d/10 a;②the thunderstorm has the obvious seasonal,about 56%thunderstorms occur in summer,Thunderstorm day is the most in August,and then decreases obviously in September,monthly characteristics of thunderstorm day are similar to those of air temperature and precipitation;③the first thunderstorm day is significantly delayed 4 d/10 a,the last thunderstorm day is significantly delayed 4.4 d/10 a,thus the duration of thunderstorm has been slight increased.