Late Winter Storm Bears Down on Northeast with Snow, Sleet

March 18, 2013 04:19 AM

March 18 (Bloomberg) -- A late winter storm is expected to bring another round of snow and sleet into the U.S. Northeast as it moves up the Atlantic Coast today and tomorrow.

Across New York City’s western and northern suburbs, 2 to 5 inches (5 to 13 centimeters) of snow may fall, with an additional coat of ice on top of that, starting later today, according to the National Weather Service. More than a foot may fall in central Massachusetts and double that in southern New Hampshire overnight.

"I know it is supposed to be spring, but not in this pattern," said Tom Kines, a meteorologist with AccuWeather Inc. in State College, Pennsylvania. "At least for the major cities, it isn’t a big deal. Most of them will change over quickly to all liquid."

Winter storm warnings and advisories stretch from western Virginia to Maine and across the Upper Great Plains into the Great Lakes. Air traffic delays have been reported in Chicago, Baltimore and Newark, New Jersey, the Federal Aviation Administration said.

Some flights to Chicago’s O’Hare International Airport are delayed by as much as 51 minutes, while planes are being held up or an hour in Baltimore and 45 minutes in Newark, according to the FAA’s website.


Canada Alerts

Winter storm warnings and watches also have been posted across southern Quebec, including Montreal, which is expected to receive 6 to 10 inches of snow, Environment Canada said.

Snow is falling in Washington with little accumulation and will spread to Philadelphia, Kines said. In New York, snow, sleet and rain will begin between 4 p.m. and 6 p.m. and be gone by tomorrow, said Lauren Nash, a weather service meteorologist in Upton, New York.

Four to 6 inches are possible in Boston overnight into tomorrow, according to the forecasters. Kines said the snow may change to rain there and keep accumulation down.

To the north and west of Boston, it may be a different story. As much as 6 to 8 inches may fall in the western and northern suburbs and 10 to 14 inches in Worcester, the weather service said.

As much as 24 inches are possible in pockets of central New Hampshire. Ten to 14 inches are expected in most of the rest of the state and into Maine.


Larger Pattern

A larger weather pattern called the negative phase of the North Atlantic Oscillation is keeping cooler air bottled up in the Northeast while constantly bringing storms to the region. Since the start of February, Boston has received more than 47 inches of snow, according to the weather service.

From Dec. 1 through January, about 8.5 inches fell.

Kines said he believes the pattern will persist into April.

"Then it is going to go right from winter to early summer, or at least that is my hope," Kines said.

Temperatures in the eastern U.S. will probably remain about 5 degrees cooler than normal through April 1, according to Matt Rogers, president of Commodity Weather Group LLC in Bethesda, Maryland.


--Editors: Charlotte Porter, David Marino


To contact the reporter on this story: Brian K. Sullivan in Boston at

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