What people round 'ere call a supercell.
This is not something you want to see if you dislike stormy weather.
(Although technically you won't see this because it's a shot from above.
Weather is the primary (if only) reason that I'd be hestitant to leave this part of the country. The weather is so amazing at times, I love it.
(Yes it's a real picture)
Last one. Also an interesting note, these pictures are all from the same storm system, as they traveled from West coast of America to the East coast. This is one of the most pronounced storm fronts I've seen: