A powerful winter snowstorm walloped the US Northeast inundating coastal Massachusetts with ice water on Wednesday and powerful winds at over 70 mph. The picture shows a boy as he sleds down Beacon Hill street in Boston during Storm Grayson. /VCG Photo

A woman holds a blanket as she walks through the empty streets of Boston as the snow began to fall on Thursday. /VCG Photo

Boston mayor Marty Walsh urged residents to stay off the streets in a news conference Thursday afternoon. The picture shows diners inside Nicoles South End pizzeria during Grayson. /VCG Photo

The traffic in Boston was paralyzed. Here, pedestrians pass a disabled public MBTA bus. /VCG Photo