greg hernandez rushing into his bathroom for shelter as he watched the destruction unfold. you were sitting here. all of a sudden you looked out the window, and you saw the houses behind you were gone. yup. yes, ma am. reporter: then you walked over here? yes, ma am. yup, i walked over here. i was holding on to my dog because she was going crazy, and the house was shaking. reporter: the powerful winds ripping the roof off his home. the stairs to the second floor leading only to open sky. one tornado possibly carving a 100-mile path of destruction across alabama. in calhoun county, kelvin bowers says he lost three family members in the storm. they died after sheltering in their trailer. it s terrible, man. like, to know my family was in this stuff. reporter: storms roaring through georgia in the middle of the night, killing at least one person. new drone video showing homes flattened. the winds peeling parts of the roof off this high school. like, our school, like, the