冷垫背景下回流暴雪成因与雷达回波特征分析
张桂莲, 刘澜波, 孟雪峰, 张璐, 李林惠

Causes of a backflow snowstorm in southeastern Inner Mongolia under the background of cold pad and its radar echoes characteristics
ZHANG Guilian, LIU Lanbo, MENG Xuefeng, ZHANG Lu, LI Linhui
图4 2019年3月20日08:00 850 hPa散度(等值线,单位:10-6 s-1)和风场(风矢,单位: m·s -1)(a),20日08:00至21日08:00比湿(填色,单位: g·kg-1)和温度(等值线,单位:℃)的时间-高度剖面(b)
Fig.4 Divergence field (isolines, Unit: 10-6 s-1) and wind field (wind vectors,Unit: m·s -1) at 850 hPa at 08:00 BST 20 March 2019(a), and time-height profile of specific humidity (shaded, Unit:g·kg-1) and temperature (isolines, Unit:℃ ) from 08:00 BST 20 to 08:00 BST 21 March 2019 (b)