A "dynamic" weather system sparked a "historic" tornado outbreak across the U.S. and has already left 16 people dead.

The violent storm has left "multiple" people dead after tornadoes touched down in Missouri and an extreme fire risk warning was issued to Southwestern states

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.

The threat of tornadoes moved east into the Mississippi Valley and the south on Saturday, just a day after a massive storm in several central states.

Scattered thunderstorms are possible across the region Saturday. A few of the storms may be severe with damaging winds, large hail or a tornado. The highest threat is across Western Kentucky and Southwestern Indiana late Saturday morning into the afternoon.

Storm damage has been reported in various central Alabama counties. This story will be updated as further information becomes available. Calhoun County Fayette County Jefferson County Tuscaloosa Count

A severe weather outbreak in Alabama through Saturday with the threat of hail, damaging winds and tornadoes. Some tornadoes could be strong and long-track.