High winds are whipping up wildfires in Texas on Friday as a roiling low pressure system moves east and threatens to land powerful tornadoes in the Plains and beyond.

About 47 million people faced an enhanced to moderate severe storm threat from Madison, Wisconsin, to Birmingham, Alabama.

A powerful storm system that tore across the United States in recent days is winding down Monday, but in its wake are devastated communities across states hit with violent tornadoes, wildfires and dust storms spun off by the massive system.