As Winter Storm Hernando slowly inches toward the coast, shoppers at a hardware store in Quincy, Massachusetts were seen picking up last minute essentials this morning, including snowblower fuel, rock salt, and this snow shovel. If you still need supplies before this blizzard, there isn’t much time left.

Winter storm live updates: Blizzard warnings blanket Northeast as heavy snow and high winds cause travel chaos New York City had already seen 15 inches of snow early Monday and a travel ban will remain in place until noon ET, with officials warning the storm could rank among the city’s 10 worst in 150 years.

A powerful nor'easter has hit the Northeast U.S., leaving behind 2 feet of snow in places. Here's how much snow has fallen in Ohio this winter.

Forecasters warned that two feet or more of snow would create dangerous or impossible travel, as well as power outages, from New Jersey to Massachusetts.

Millions of people are being warned about the potential for blizzard conditions. The winter storm, the path of which has concerned forecasters for days, is now expected to bring "significant impacts" across the Mid-Atlantic and Northeast Sunday into Monday, the National Weather Service said Saturday, Feb. 21.

Airlines have canceled more than 3,000 flights ahead of the massive winter storm, reports ABC News' Sam Sweeney.

Millions of people in New York City and a large swath of the northeastern U.S. were stuck at home under road travel bans and blizzard warnings Monday as heavy snow and strong winds intensified, creating whiteout conditions in the densely populated region.