京津冀地区“23·7”特大暴雨精细化特征及成因分析
姬雪帅, 康博思, 侯晓琦, 郭旭晖, 石文伯, 黄山江

Refined characteristics and cause analysis of the “23·7” extraordinary heavy rainfall in Beijing-Tianjin-Hebei region
JI Xueshuai, KANG Bosi, HOU Xiaoqi, GUO Xuhui, SHI Wenbo, HUANG Shanjiang
图8 2023年7月30—31日保定(a)和北京(b)假相当位温(等值线,单位:K)和锋生函数(灰色阴影,单位:10-9 K·m-1·s-1 )的时间-高度剖面
Fig.8 Time-height cross sections of pseudo-equivalent potential temperature (isolines, Unit: K) and frontogenetic function (the grey shaded, Unit: 10-9 K·m-1·s-1 ) over Baoding (a) and Beijing (b) during 30-31 July 2023