西北干旱区一次极端暴雨局地性增强的对流环境特征
傅朝(), 刘维成(), 宋兴宇, 徐丽丽, 沙宏娥, 马莉, 崔宇
Local enhanced convective environment characteristics of an extreme rainstorm event in arid region of Northwest China
FU Zhao(), LIU Weicheng(), SONG Xingyu, XU Lili, SHA Honge, MA Li, CUI Yu

图3. 2022年8月12日20:00 700 hPa位势高度(黑色等值线,单位:dagpm)、温度(红色等值线,单位:℃)、切变线(棕色实线)、显著流线(黑色箭头线)(a)和海平面气压(等值线,单位:hPa)、显著流线(黑色箭头线)、地面冷锋(蓝色齿线)(b)

Fig.3. 700 hPa geopotential height (black isolines, Unit: dagpm), temperature (red isolines, Unit: ℃), shear line (brown solid lines), significant streamline (black arrow lines) (a), and sea level pressure (isolines, Unit: hPa), significant streamline (black arrow line), surface cold front (blue tooth-line) (b) at 20:00 BST 12 August 2022