云南省一次罕见飑线过程发生机制分析 |
杨芳园, 杨素雨, 甄廷忠, 杨竹云, 李晓鹏, 胡勇华, 石宝灵 |
Mechanism analysis of a rare squall line process in Yunnan Province |
YANG Fangyuan, YANG Suyu, ZHEN Tingzhong, YANG Zhuyun, LI Xiaopeng, HU Yonghua, SHI Baoling |
图2 2022年7月7日08:00(a、c)、20:00(b、d)500 hPa(a、b)风场(风矢,单位:m·s-1)、位势高度场(黑色等值线,单位:dagpm)和温度场(红色虚线,单位:℃),700 hPa(c、d)切变线(棕色实线)和水汽通量(箭矢,单位:g·cm-2·hPa-1·s-1)、水汽通量散度(填色,单位:10-5 g·cm-2·hPa-1·s-1) (红色粗实线范围为云南省,黑色粗实线为辐合区,字母D为低压中心) |
Fig.2 The wind field (wind vectors, Unit: m·s-1), geopotential height field (black contours, Unit: dagpm) and temperature field (red dashed lines, Unit: ℃) at 500 hPa (a, b), and shear lines (brown lines), water vapor flux (arrow vectors, Unit: g·cm-2·hPa-1·s-1) and water vapor flux divergence (the color shaded, Unit: 10-5 g·cm-2·hPa-1·s-1) at 700 hPa (c, d) at 08:00 (a, c) and 20:00 (b, d) on 7 July 2022 (The red thick solid line rang is Yunnan Province, the black thick line is convergence zone, the letter D is the low pressure center) |
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