A deadly tornado outbreak ripped through Missouri, Illinois, Arkansas and Mississippi overnight Friday, leaving destruction, power outages and tragic loss in its wake.

At least 14 people were dead and dozens injured after violent tornadoes swept across the central United States, officials said Saturday.

Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with damaging winds of up to 80 mph and large hail are expected across the Midwest and South with the cross-country storm moving east.

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.