A winter storm packing blizzard conditions blanketing the Northeast overnight and into Tuesday.
Some 50 million people along the Eastern Seaboard in areas that could be affected.
The New York City subway service has cancelled all above-ground transport. The city's public school system, the largest system in the country closing schools today. The city has staged more than 300 pieces of snow-ploughing equipment at the three major airports and more than four thousand flights were cancelled ahead of this winter storm.
Officials asking residents to stay home and stay safe.
(SOUNDBITE)(ENGLISH) NEW YORK CITY MAYOR BILL DE BLASIO, SAYING:
'Stay off the streets, for your own good, for your own safety but also to help the sanitation department to keep the streets clear.'
(SOUNDBITE)(ENGLISH) MASSACHUSETTS GOVERNOR CHARLIE BAKER, SAYING:
'We are urging the public to please stay off the roads. Am I getting this message across that we are urging the public to stay off the roads? Urging the public to stay off the roads.'
School districts in Boston, Fairfax County, Virginia, and Philadelphia also canceling classes Tuesday.
Washington D.C. expected to get five inches of snow. Boston, more than a foot. New York, up to two feet.
The National Weather Service says snowfall will be so heavy at times accumulation could be up to four inches per hour, with winds up to sixy miles per hour.
Governors in New York, New Jersey, Pensylvania and Virginia have declared states of emergency.