热带气旋发展增强过程中龙卷尺度涡旋活动特征
周玥滢, 方娟

Characteristics of tornado⁃scale vortices in an intensifying tropical cyclone
Yueying Zhou, Juan Fang
图9 30日00时至31日10时200 m高度上轴对称叠加1波的垂直相对涡度(单位:s-1
Black circles indicate the radius of maximum wind speed at 200 m height.
Fig.9 Vertical relative vorticity (unit: s-1) of an axisymmetrically superimposed wave at 200 m height from 00:00 on the 30th to 10:00 on the 31st