Longest Single Duration Tornadic News Today

Verified. covered 250 miles. so that would make it the longest single duration tornadic event in u.s. history. kim. >> really unbelievable. well stay on that story, derek van dam, thank you so much. my colleague michael holmes just spoke to storm chaser michael gordon who is sharing the story. here it is. >> devastation. i mean, homes leveled, rubble everywhere. theres -- its hard to explain, especially in the dark right now. its very sad. you look around and you have people walking on the stree...