Typically, chaff would fall back to earth in about three hours, he said, based on its elevation. The chaff first appeared on radar at UAH about 1:45 p.m. but Knupp said it was still visible ...

A winter storm sweeping across Pennsylvania isn't over yet. Watch the video above for the updated hour-by-hour snow forecast.Snow timingParts of the Susquehanna Valley may still pick up snow this ...