Cold air funnel

[blasterdemon7]

Had an advisory for this yesterday. There were a couple of them reported to. Never heard of them till now. Glad I read about it before I seen one because I would probably crap myself if I seen one.lol.
WHAT IS A COLD AIR FUNNEL?

 

[Whitty21]

hmm cool stuff, never heard of them before, i would probably be a lil worrisome too if i had seen it