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 were threatening communities across the country with weather ranging from fire in the Southern High Plains to blizzards in the Midwest

Tens of millions of people across the central and southern US are at risk Tuesday of severe thunderstorms and tornadoes and fire weather on the storm’s warm side and blizzard conditions on its cold side.