Houston, March 5 -- From Texas to Tennessee, a number of severe storms on Tuesday battered large parts of the U.S. South with winds, hail, plumes of dust, and tornadoes, leaving hundreds of thousands of people without power.

More than 400,000 homes, businesses and other utility customers across five states -- Texas, Louisiana, Mississippi, Oklahoma, and Tennessee -- are without power, according to PowerOutage.us.

The National Weather Service confirmed a brief EF1 tornado hit the Dallas-Fort Worth suburb of Irving in northern Texas earlier Tuesday, with damage spread over a few blocks.

More than 375 flights to or from Dallas Fort Worth International Airport have been cancelled, according to airline tracker FlightAware.com. Another 660 ...