A deadly winter storm is pummeling Washington, DC, and the mid-Atlantic Monday after causing hundreds of crashes and flight cancellations and knocking out power to hundreds of thousands in the central United States over the weekend.

A major, disruptive winter storm was sweeping across the central U.S. on Sunday, forecasters said, bringing with it a dreaded combination of snow, ice and plunging temperatures. The National Weather Service issued winter storm warnings from Kansas and Missouri — where blizzard conditions are expected — to New Jersey.