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7. 2022年7月15日04:00西北地区东部 CAPE(单位:J·kg-1)分布(a)与翟家河站14日20:00至15日12:00假相当位温(填色区,单位:℃)的高度-时间剖面及CAPE随时间变化(虚线)(b)

Fig.7. The distribution of CAPE (Unit: J·kg-1) at 04:00 BST July 15, 2022 over the eastern region of Northwest China (a), the time-height profile of pseudo-equivalent potential temperature (the color shaded, Unit: ℃) and the CAPE change with time(the dotted line) from 20:00 BST July 14 to 12:00 BST July 15, 2022 at Zhaijiahe station (b)