2022年陇南“4·19”强对流天气成因及其对配电线路故障的影响分析
鲍丽丽, 王小勇, 段秀兰, 程鹏, 谭丹, 闫昕旸, 何金梅

Analysis on cause of severe convection weather "4·19" in 2022 and its influence on distribution line faults in Longnan City
BAO Lili, WANG Xiaoyong, DUAN Xiulan, CHENG Peng, TAN Dan, YAN Xinyang, HE Jinmei
图2 2022年4月19日08:00(a、c)、20:00(b、d)500 hPa(a、b)和700 hPa(c、d)位势高度场(黑色等值线,单位:dagpm)、风场(风矢,单位:m·s-1)、温度场(红色虚线,单位:℃)
(棕色粗线代表槽线,字母G、D、N、L分别表示高压中心、低压中心、暖中心、冷中心。下同)
Fig.2 The geopotential height field (black isolines, Unit: dagpm), wind field (wind vectors, Unit: m·s-1), temperature field (red dashed lines, Unit: ℃) at 500 hPa (a, b) and 700 hPa (c, d) at 08:00 (a, c), 20:00 (b, d) on April 19, 2022
(The brown thick line represents trough lines, the letters G, D, N and L denote high pressure center, low pressure center, warm center and cold center, respectively. the same as below)