Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

Extreme weather warnings remain in place for Florida up through Pennsylvania Sunday before massive storm moves eastward to Atlantic Ocean

America faces another tornado-thunder assault after killer cyclones left more than 30 dead in a weekend of chaos. A massive clean-up across six states will be hampered by another storm whipping up to smash the Midwest.

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.

The weather cut a swathe of destruction across an area of the country that is home to more than 100 million people.

Unusually vicious and damaging weather across multiple U.S. states spawned violent tornadoes, blinding dust storms, and fast-moving wildfires over the weekend, leaving at least 39 people dead.

At least seven tornadoes hit Alabama on Saturday, and that number will likely climb even higher later today. The National Weather Service plans to continue looking at storm damage and has several areas that will be visited by storm survey teams today (Monday).