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.

Meanwhile, the severe weather threat will linger through Sunday from Florida northward into the upper Ohio River Valley, forecasters warned.

All hazards are on the table: damaging wind gusts up to 70 mph, lightning, an isolated tornado, heavy rain, and small hail.

Supercell thunderstorms in Mississippi are now tracking into Alabama. These storms are moving quickly at 50 mph. These tornadoes have produced damage in Mississippi. Severe weather is impacting West Alabama right now and will reach the I-65 corridor by 5 p.