At least 16 people have died due to blizzard-like conditions battering the eastern half of the US, leaving nearly two feet of snow.
Around 1,900 flights have been cancelled across the country as howling wind and sub-zero temperatures wreaked chaos.
Governors in New York and New Jersey declared states of emergency and urged residents to stay at home, while hundreds of schools were shut down in Boston and New York.
New York Governor Andrew Cuomo said: “This is nothing to be trifled with. People should seriously consider staying in their homes.”