A rapidly moving winter storm disrupts travel and closes schools in the Northeast

A person clears off a sidewalk during a winter snow storm in Philadelphia on Tuesday. (Matt Rourke/AP)

A fast-moving winter storm hit the Northeast region Monday evening, affecting millions of residents with road and school closures. The storm is expected to push east out to sea later Tuesday.

Travel has already been disrupted, with more than 1,500 flights canceled and more than 10,000 delayed as of noon ET, according to FlightAware.