People all over the East Coast have to stay put as more snow slammed the area, placing Baltimore and Washington D.C. under a deep freeze. The latter is expected to have around 4 to 6 inches of snow and sleet by Sunday morning while Baltimore braces for a worse 6 to 10 inches of expected snow.

Meanwhile, the National Weather Service reported that 4 and a half inches of snow fell at New York City's JFK Airport. They have predicted high temperatures by Monday at Washington (25), Cleveland (4), Chicago, (10), New York City (17), and Philadelphia (22).

On Saturday at 9:30 p.m. ET, around 1,546 flights needed to be canceled in the U.S. Many of those flights were in Baltimore and Washington areas.

Several roads have been covered with snow. In Baltimore, the 1-95 southbound had to be closed, leaving a number of disabled vehicles helpless as emergency vehicles found it difficult to get through.

Around half a dozen cars were also trapped in Washington when a sheet of ice covered portion of Madison Avenue NW. It was said that the culprit was a broken water main system.

Officials in the Washington area urged drivers to stay away from doing unnecessary travel. They warned that blowing snow would swirl through the streets of New York City and Philadelphia.

"The arctic air mass we've been dealing with means this storm will overachieve," said Lance Franck, a meteorologist with the National Weather Service.

Apart from road travel, flights have also been affected by the snow. The Federal Aviation Administration issued a ground stop in order to prevent flights at the Philadelphia International Airport to take off. The reason is because of high winds and reduced visibility, according to the airport's spokeswoman Mary Flannery.

The latter reported that there were around 20 percent of flights that were canceled into and out of the airport while a number of them were also delayed. In the meantime, three airports in New York, Tennessee's Memphis International Airport and Washington Dulles International Airport also experienced significant delays caused by the weather.

Kim Buttrick, a meteorologist of the National Weather Service in Taunton, Massachusetts said that the existing pack of snow will turn heavier and thus endanger strained roofs as the rain gets absorbed by the snow. "It especially will be problematic for flat roofs," said Buttrick. Sloped roofs would also pose some problems wherein snow may fall down with the threat of icicles. The movement can also affect the gutters.

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