by the tornado given their experience. one, this was a big tornado. ef 3, it made an bankrupt left turn a lot of people couldn't predict. even experienced people couldn't necessarily see that looking at the computer. the other theory they got caught in that big traffic jam along i-40 as people tried to outrun the storm. too many cars piled on to one stretch of highway. you had gridlock and they were sitting ducks a the tornado came in their direction. martha: a lot to be said with regard to those three. there are different kinds of storm chasers out there. mike tobin, in el reno, oklahoma. there are meteorologists and there are people who are experts at it as these guys really were. there are folks who are looking to make some videos and put them on youtube. bill: these guys live for it. martha: they do. >> they did save countless lives along the way. this is what they live for and what they who have to do. we'll talk to read timber about all that.