A relentless barrage of violent tornadoes, raging wildfires, and blinding dust storms has unleashed catastrophic destruction across the central and southern United States, leaving at least 33 people dead and communities shattered.

North Florida is facing a rare and highly dangerous tornado threat as a monster weekend storm system marches across the Midwest and South, leaving more than a dozen dead in its wake. A tornado watch is in effect until 10 a.

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.