nearly this track in the last, say, since 1999, the last 14, 15 years, maybe it's the beginning of something that's troublesome. so this is really something for everybody to consider. >> frightening trend. now, tom, what about this? obviously, this tornado, the one we're talking about went across the plains. 2.6 miles of damage across the plains. what if it had gone through the center of a major city, oklahoma city, like the moore tornado did or what would happen if a storm that wide went through a major population center? >> the size of this, erin, spurred weather folks to consider that very idea. think about what bill said about the size of the whole vortex here working and the comparison. to move on from el reno and put that same storm over washington, d.c., look at this. this would be coming all the way across here. if you put it over the center here, it's the lincoln monument,