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7 30日00时到31日10时1 km高度以下平均的Ri,黑色圆环表示200 m高度上最大风速半径
Fig.7 Ri averaged below 1 km altitude from 00:00 on the 30th to 10:00 on the 31st,the black circle indicates the radius of maximum wind speed at 200 m altitude