At least four people were killed – including two children – after heavy storms thundered through the South on Saturday and produced several tornadoes in several states as the threat of severe weather on Sunday swept north.
The Angelina County Sheriff's Office in Texas said an 8-year-old and a 3-year-old died when strong winds overturned a tree on the back of the family car in Lufkin, about 115 miles northeast of Houston.
Captain Alton Lenderman said the parents sitting in the front seat were not injured.
In Mississippi, a man was killed in the city of Hamilton when a tree fell on his trailer.
Monroe County Road Manager Sonny Clay said at a Sunday press conference that 19 people were taken to hospitals for treatment, including two in critical condition. Hamilton, Miss., Lies 140 miles southwest of Memphis, Tenn.
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The tornadoes came from a spring-storm system that moves northbound on Sunday, with the threat of severe weather focusing the Appalachians in the central Atlantic, according to Fox News meteorologist Adam Klotz.
"We're talking about tens of millions of people with some stormy weather before this Sunday is over," he told FOX & friends Sunday.
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The National Weather Service's Weather Prediction Center said that a series of severe thunderstorms starting early Sunday morning are expected to pull into the southeast until early morning and early afternoon hours.
"A certain fragmentation and possible weakening of this line is expected, but later in the afternoon a second round of storms north of the Appalachians is expected," said the NWS
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Robertson County Sheriff Gerald Yezak told the Associated Press that Saturday saw a small tornado in the small town of Franklin, which overturned mobile homes and damaged other homes. Franklin is located about 125 miles south of Dallas.
The National Meteorological Service said preliminary data showed that an EF-3 tornado was deployed with winds of 140 mph. The crews will continue to investigate the damage in the next few days.
Another possible tornado left damage on Sunday morning in southeastern Alabama.
Electricity pylons and trees were overturned, and parts of the building hung on supply lines in Troy, about 50 miles south of Montgomery. A RV community was damaged, but no injuries were reported.
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The National Meteorological Service has detected a possible twister on the radar, but it is unclear whether a tornado or a straight wind has caused the damage. In Texas, Mississippi, Louisiana and Arkansas, more than 140,000 customers were out of power on Sunday morning.