1960—2014年辽宁省夏季降水极值分析

Summer Precipitation Extremum of Liaoning Province from 1960 to 2014

利用常规观测资料,对1960—2014年辽宁省夏季降水极值进行分析。结果表明:近55年暴雨、大暴雨、特大暴雨年总频次单站极大值分别为11、2、1次;区域性小雨、中雨、大雨、暴雨年总频次极大值分别78、33、17、6次,极小值分别为39、13、1、0次;全省性小雨、中雨、大雨、暴雨年总频次极大值分别是35、8、3、1次,极小值都是0次。近55年夏季降水总量极大值为1 379 mm,极小值为95 mm。24、6、3、1 h降雨量极大值分别371、267、215、125 mm。

Based on the routine observation data in Liaoning Province,the summer precipitation extremum were analyzed.The results indicated that in recent 55 years,the annual total frequency of single station maxima of rainstorm,heavy rain and heavy rainfall values were 11,2,1 respectively;The maxima of annual total frequency of regional light rain,moderate rain,heavy rain,rainstorm were 78,33,17,6 respectively,and the minima were 39,13,1,0 respectively;The maxima of annual total frequency of provincial light rain,moderate rain,heavy rain,rainstorm were 35,8,3,1 respectively,and the minima were 0.In recent 55 years,summer rainfall total maximum value was 1 379 mm,the minimum value was 95 mm.The rainfall maxima of 24 h,6 h,3 h,1 h were 371 mm,267 mm,215 mm,125 mm respectively.