西北干旱区一次极端暴雨局地性增强的对流环境特征
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傅朝( ), 刘维成( ), 宋兴宇, 徐丽丽, 沙宏娥, 马莉, 崔宇
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Local enhanced convective environment characteristics of an extreme rainstorm event in arid region of Northwest China
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FU Zhao( ), LIU Weicheng( ), SONG Xingyu, XU Lili, SHA Honge, MA Li, CUI Yu
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图5. 2022年8月12日20:00(a、c)、13日00:00(b、d)700 hPa比湿(等值线,单位:g·kg-1)、水汽通量散度(彩色填色区,单位:10-7 g·hPa-1·cm-2·s-1)、风场(箭矢,单位:m·s-1)(a、b)和整层大气可降水量(单位:mm)(c、d) [图5(a)、图5(b)中灰色填充区的地面气压小于700 hPa]
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Fig.5. The specific humidity (isolines, Unit: g·kg-1), vapor flux divergence (color shaded areas, Unit: 10-7 g·hPa-1·cm-2·s-1), wind field (arrow vectors, Unit: m·s-1) at 700 hPa (a, b), and whole layer integrated atmospheric precipitable water (Unit: mm) (c, d) at 20:00 BST 12 August (a, c) and 00:00 BST 13 August (b, d) 2022 [The surface pressure for the gray filled areas in Fig. 5(a) and Fig. 5(b) is less than 700 hPa]
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