Hmm, a tornado A vortex. Similar words have been used to describe the event in question.
Baring any munchkins, however, I suppose we can discount weather phenomenon as the true root of this dimensional shift. Heh, you see what I did there? The reference? Quiet clever.
The “tornado”, in fact, might be merely how our senses process the unique sensation of crossing through normally unperceivable cosmic events. Yes, perhaps we have all passed through black-holes, funnels of dark-matter which our brains process as these meteorological events.
It is exciting to ponder, is it not… Did you say you brought popcorn?