weekend and that really changes plans for a lot of people trying to get back from easter weekend. they'll have to fly to an airport like memphis or kansas city or even chicago. we're talking three, four hour drives just to get home. >> can i just ask you, with your vast experience in the field, there was a witness who said this whole thing took like 20 seconds to bring on this devastation. does that make sense to you? 20 seconds could do all this? >> reporter: tornadoes happen very quickly. last week we had tornadoes moving at 60, 65 miles an hour. it's just like that. you probably have seen some of the tornado videos and some youtube videos from last week where it comes by like that walgreens store in north carolina. it's gone. usually 30 seconds, 25, 30 seconds just like that and it does this kind of damage. these winds were easily over 100 miles an hour. national weather service survey teams are out right now across this area and west of town doing