2021/2022年冬季贵州凝冻天气阶段性特征及成因
任曼琳, 李忠燕, 王博卿, 谭娅姮, 王烁

Analysis on the causes of freezing stage characteristics in Guizhou in winter of 2021/2022
REN Manlin, LI Zhongyan, WANG Boqing, TAN Yaheng, WANG Shuo
图7 2021/2022年冬季500 hPa平均位势高度(黑色线条,单位:dagpm)、风速大于等于28 m·s-1区域(填色区,单位:m·s-1)(a)及850 hPa平均风矢量(箭头,单位:m·s-1)、偏南(北)风风速(填色区,单位:m·s-1)及0 ℃等温线(黑线)(b)沿103°E—110°E平均的纬度-时间剖面
Fig.7 Latitude-time profile of 500 hPa mean geopotential height (black lines, Unit: dagpm) and wind speed greater than or equal to 28 m·s-1 (shaded area, Unit: m·s-1) (a) and 850 hPa mean wind vector (arrow, Unit: m·s-1), south (north) wind speed (shaded area, Unit: m·s-1) and 0 ℃ line (black line) (b) averaged along 103°E-110°E in the winter of 2021/2022