Here is a compilation of zoomed 4k drone footage of the EF3 tornado in Andover KS earlier this spring with quick analyses of some of the complex vortex dynamics observed. Helical sub-vortices, a descending vortex breakdown bubble, and a low pressure reservoir just above ground pic.twitter.com/uYdpc6NMLB
— Reed Timmer (@ReedTimmerAccu) June 29, 2022