An unusually powerful March storm is trekking across the country with a wide range of hazards from strong winds that could set off blizzard conditions and dust storms to severe thunderstorms that could produce tornadoes.

Powerful storms that killed three people in Mississippi and ripped roofs from buildings in a small Oklahoma town charged eastward Wednesday, spawning tornado warnings near the East Coast while heavy snow struck the Midwest and dry,

Some 69 million people are under wind alerts from New England to the Carolinas through Friday as a powerful storm system brings more high winds across the Northeast and Great as it moves off the U.S.