The big storm could blanket a large swath of the Eastern United States with a foot of snow and 60 mph wind gusts beginning on Tuesday and continuing Wednesday.
Severe storms that spawned tornadoes damaged homes and downed trees as they moved across the Southeast on Monday night.Forecasters warned that the storms could threaten more than 29 million people, raising the risk of powerful tornadoes, damaging winds and hail the size of tennis balls.