America has been hit with a series of tornados throughout Saturday morning, and forecasters warn more could be don't heir way later on in the day.

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.

Three people are confirmed dead following a tornado outbreak in Alabama. Two people died in Plantersville and one person died in Winterboro. Sign up for our Newsletters. Video abo

A destructive wave of storms swept into Alabama on Saturday, bringing with them a rarely-seen threat level for possible long-track tornadoes, winds of up to 70 m.p.h., golf ball-sized hail and torrential rain.