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.

Western Georgia is expected to see the highest tornado threat and many areas are in a 4 out 5 risk. All of metro Atlanta and north Georgia are under a tornado watch until 4 a.m. >

A dangerous tornado outbreak featuring the potential for "multiple violent" tornadoes threatens much of the Deep South Saturday, as the second day of deadly severe weather continues across the eastern U.