华南“4.21”弓状回波的γ⁃中尺度涡旋雷达观测分析
居圆圆, 徐昕, 唐滢

Radar observation analysis of meso⁃γ⁃scale vortices in bow echo on 21 April in South China
Yuanyuan Ju, Xin Xu, Ying Tang
图2 多时刻雷达组合反射率拼图(阴影,2017年4月21日03:30~07:30,间隔1 h,单位:dBZ),中涡旋位置及移动路径
The blue dotted lines represent the location of MVs and their
moving path
Fig.2 Hourly reflectivity from 0330 UTC to 0730 UTC 21 April 2017 (shading,unit:dBZ),the location of MVs and their moving path