CNN CNN Newsroom With Poppy Harlow May 10, 2015 22:15:00
Individual supercell storms that earlier were only moving 25 miles an hour through this county. about an hour and a half later, that same supercell thunderstorm that produced a tornado again dropped one, and the speed increased to 55. so that becomes a windmaker. when they're moving this slow the amounts of rainfall on a saturated ground day after day is just incredible but three inches three and a half in an hour it will flood anywhere. >> i know they're not out of it yet in terms of more rain could come. >> absolutely. in fact this area along with dallas-ft. worth all the way down to the rio...