西北东部半干旱区一次极端特大暴雨的触发和维持机制
沙宏娥1(), 傅朝1(), 刘维成1, 徐丽丽1, 刘娜1, 刘新雨2, 马绎皓1
Mechanism of trigger and maintenance during an extremely torrential rain in semi-arid region of eastern Northwest China
SHA Honge1(), FU Zhao1(), LIU Weicheng1, XU Lili1, LIU Na1, LIU Xinyu2, MA Yihao1

图9. 2022年7月14日21:00(a)和15日01:00(b)、06:00(c)700 hPa风场(矢量,单位:m·s-1
(黑色线条为12 m·s-1等风速线)

Fig.9. The wind field at 700 hPa at 21:00 BST July 14 (a), 01:00 BST (b) and 06:00 BST (c) July 15, 2022 (vectors, Unit: m·s-1
(the black line for the 12 m·s-1 wind speed isoline)