The dangerous outbreak will continue to sweep through the South and East through the weekend. Saturday could be one of the worst severe weather days of the year.

Within moments, that power line was down, the sky was lit up blue, it sounded like aliens landing, and you could hear people stuck in there calling for help,” said one resident.

A powerful low-pressure system is likely to spawn a dangerous outbreak of severe thunderstorms in portions of the Midwest, South and East, where tornadoes, widespread damaging winds, large hail and flash flooding are all concerns.

At least 12 fatalities have been reported in Missouri, according to the Missouri State Emergency Management Agency. The deaths come as a massive storm system moving across the country unleashed winds that damaged buildings, whipped up deadly dust storms and fanned more than 100 wildfires.

A sweeping storm system moving across the U.S. threatens to bring tornadoes, blizzards and possibly wildfires to different regions of the country

The threat of tornadoes in parts of the U.S. proved deadly as whipping winds moved east into the Mississippi Valley and Deep South on Saturday, with at least two people killed in south-central