Developing Story Debris covers a damaged structure in Rolling Fork, Miss,. on Saturday. A powerful tornado tore through the Deep South on Friday night, killing several people in Mississippi and obliterating dozens of buildings. Rogelio Solis/AP hide caption toggle caption Rogelio Solis/AP Weather At least 23 are dead after a rare, long-lasting tornado tears through Mississippi A rare, long-track tornado left a trail of devastation — tearing buildings and leaving thousands without power. The tornado spanned roughly 170 miles and lasted over an hour, a National Weather Service meteorologist said.