>> get away from windows. get out of your car. >> it was like something out of a horror movie. i was hoping no one else was headed this way. >> norman, oklahoma is home to university of oklahoma and the sooners football team, but it's also home to extraordinarily unpredictable and violent weather. >> that storm once it started really spinning west of norman ramped up pretty quickly, and boom, in a matter of a couple minutes it started spinning much, much faster. >> that's trouble with a capital "t" right there. >> monitoring the storm that day is mike morgan, chief meteorologist if station knfr in oklahoma city. >> you can really see the wall cloud starting to spin much, much faster. at that point we knew there was going to be a reasonable chance that a tornado was going to set down on the western sides of norman, third largest city in oklahoma, and go right through town. hey, mike. we've got tower flashes right here. it's going to be about two miles just to the west of campus.