mesocyclone

According to the field survey, the tornado occurred at the time that the 2nd TVS occurred, it is located on the south side of the TVS, and consistent with the southern fringe of mesocyclone.

实地调查结果，龙卷风和第2个TVS同时发生，龙卷风置与TVS置对应，但于TVS的南 侧，于中最大风速圈的南缘。