India, May 26 -- A tornado warning was issued in Chattanooga and several other Tennessee cities on Sunday. The National Weather Service, in its latest update, alerted locals in South Pittsburg, too. Storm chasers and weather forecasters warned residents of a potential large tornado approaching the area.

Meanwhile, residents of northeastern Jackson and DeKalb counties in Alabama were urged to take immediate cover Sunday afternoon as the NWS in Huntsville issued two urgent tornado warnings for the region. The warnings, effective until 5:15 PM and 5:30 PM CDT, followed radar detection of severe thunderstorms capable of producing tornadoes, posing risks of flying debris, damage to mobile homes, roofs, windows, vehicles, and trees.

At 4:48 P...