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.

Large and destructive tornadoes are carving paths of destruction across the South for the second day in a row.

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