According to the National Weather Service, more than a dozen tornadoes have been confirmed after a weekend of heavy weather, killing at least eight people.
The agency says a survey team found evidence of an EF-3 twister with winds of at least 136 km / h near Weches, Texas, and two other smaller tornadoes set up in the same region on Saturday , Another EF-3 twister flattened part of Franklin, Texas.
The system moved east to Mississippi, where the weather service says teams have confirmed eight tornadoes. At least three weak tornadoes hit Alabama on Sunday.
The weather says the numbers could rise because the teams still assess the damage.
Four people were killed in Texas. The other victims died in Louisiana, Mississippi and Alabama.
Meanwhile, much of the eastern Great Lakes and Central Atlantic woke up with damaged buildings, closed schools and dark houses and shops after at least one strong storm had caused tornadoes.