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.

In 2004, actor Carmine Caridi became the first Academy member to be expelled from the organization 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.