基于多源观测资料对张家口一次雨雪天气降水相态特征的分析
姬雪帅, 王丽婧, 郭宏, 康博思, 黄山江, 张曦丹, 郭旭晖

Analysis of characteristics of precipitation phase during a rain-snow weather process in Zhangjiakou based on multi-source observation data
JI Xueshuai, WANG Lijing, GUO Hong, KANG Bosi, HUANG Shanjiang, ZHANG Xidan, GUO Xuhui
图2 2020年11月17日20:00 500 hPa(a)、850 hPa(b)和18日20:00 500 hPa(c)、850 hPa(d)高度场(黑色等值线,单位:dagpm)、温度场(红色等值线,单位:℃)、相对湿度(填色区,单位:%)及风场(风矢,单位:m·s-1
(五角星位置为张家口)
Fig.2 Height field (black isolines, Unit: dagpm), temperature field (red isolines, Unit: ℃), relative humidity(color shaded, Unit: %) and wind field (wind vectors, Unit: m·s-1) at 500 hPa (a) and 850 hPa (b) at 20:00 BST 17 November 2020, and 500 hPa (c), 850 hPa (d) at 20:00 BST 18 November 2020
( The location of the red star is Zhangjiakou)