Aaron Ward, a meteorologist with the Weather Service office in Amarillo said visibility was “nearly zero” in the greater Amarillo region. The Texas Department of Public Safety said it was responding to multiple crashes across the region because of low visibility from clouds of dust.

A blaze in Roberts County, Texas, northeast of Amarillo, quickly blew up from less than a square mile to an estimated 14.8 square miles, the Texas

The threat of tornadoes moved east into the Mississippi Valley and Deep South on Saturday, a day after 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 powerful storm system roared across the Midwest and South Friday night, unleashing a series of tornadoes that carved paths of destruction and left at least three dead in Missouri.