京津冀“7·5”强对流天气形成的环境条件及中尺度特征
许敏1,2(), 沈芳2, 刘璇3, 刘艳杰2, 张湘涵2
Environmental conditions and mesoscale characteristics of severe convective weather in Beijing-Tianjin-Hebei on 5 July 2021
XU Min1,2(), SHEN Fang2, LIU Xuan3, LIU Yanjie2, ZHANG Xianghan2

图8. 2021年7月5日14:00(a)、15:00(b)、19:00(c)、20:00(d)地面1 h变温(彩色填色区,单位:℃)和风向(箭头)
(棕色实线为地面辐合线,字母D为地面辐合中心)

Fig.8. Hourly variation of surface temperature (color shaded areas, Unit: ℃) and direction of the wind (arrows) at 14:00 BST (a), 15:00 BST (b), 19:00 BST (c) and 20:00 BST (d) on 5 July 2021
(The brown solid lines are the ground convergence lines, letter D is the ground convergence center)