kim klockow mcclain: the survivors i've spoken with, they just experience what feels like a building dissolving. one minute i was in a building and the next minute i just wasn't. like a bomb has hit it. it's obliterated. [ominous music] derek vaughan: so at its maximum intensity, the peak winds were up to 190 miles per hour. that's enough to just destroy anything in its path. nothing can stand up to that. you knew people were gonna lose their lives that night. once the tornado approached mayfield, it came in from the southwest side of town. derek vaughan: i had a few officers on shift with me that night. we had decided that we were gonna go ahead and meet at the police department. the services all started going down suddenly. the power in the entire town went off. and of course, when that happened,