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Strengthening nor'easter whips Philadelphia to NYC, Boston with heavy snow and wind

By Kristina Pydynowski • Mar 7, 2018 at 1:00 PM

AccuWeather reports the nor'easter will not be a repeat of the March 2 bomb cyclone.

The storm will still disrupt cleanup and power restoration operations.

Much less wind is in store for the Northeast, compared to last Friday.

Heavy snow is forecast for northern New England.

Expect heavy snow to reach Interstate 95 in Northeast.

Motorists will be at risk to become stranded in heavy snowfall.

Part of the northeastern United States can expect renewed power outages, heavy snow and widespread travel disruptions as impacts from another nor'easter expand.

The storm that dumped heavy snow on the northern Plains earlier this week will reorganize and strengthen along the East Coast into Thursday.

While the storm's strength will not be as intense as the recent bomb cyclone in terms of wind and seas. However, very heavy snow is forecast to impact millions of people.

"The big problem is that the storm this week is coming so soon after the destructive storm from last Friday," said Alex Sosnowski, an AccuWeather senior meteorologist. "It will disrupt cleanup and restoration operations and is likely to cause a new but less extreme round of travel delays, power outages and damage from falling trees."

People in much of the mid-Atlantic and in southern New England will notice much less wind with this storm.

"The storm will still pack a punch from New Jersey to Maine," Sosnowski said. "Small craft should remain in port, and seas are likely to again become rough enough to toss around large vessels offshore."

Residents who had their power restored early this week may find themselves back in the dark.

Despite winds set to buffet the beaches, coastal flooding is not likely to be as severe as during the bomb cyclone.

The quick pace of the storm should limit any issues to minor problems for one or two high tides, especially in areas that suffered beach erosion the past few days.


Heavy Snow Likely to Fall over a Broad Region

Many areas in northern New England that escaped the last storm's full wrath will face heavy snowfall from this storm. The band of heavy snow will set up much closer to the Interstate-95 corridor from Philadelphia to New York City, when compared to last week's storm.

Snowfall in northern and western New England is likely to be dry and powdery enough to be subject to blowing and drifting. Elsewhere, the snow will be heavy and wet and weigh down trees and power lines.

Some communities will get thunder and lightning with the storm.

Some portions of western and northern New England and across the Poconos and Catskills may receive between 1 and 2 feet of snow.

"The snowfall rate from extreme eastern Pennsylvania to northwestern New jersey to parts of the Hudson Valley of New York and western New England may be between 2 and 3 inches per hour for a time Wednesday afternoon into Wednesday night," Sosnowski said.

People will be at risk for getting stranded on the road if they venture out during this time. Crews may struggle to keep roads clear due to the fast rate of accumulation.

"The band of heavy snow is likely to overlap at least part of the area that received more than a foot of snow from last Friday's storm," Sosnowski said. "Parts of the Poconos and Catskills may have 3-4 feet of snow on the ground following this new storm's snow and what remains on the ground from last week."

Accumulating snow is in store for Philadelphia, New York City, Hartford, Connecticut, and even Boston. A heavy amount of snow, enough to shovel and plow, is projected in the swath from northern Delaware and southeastern Pennsylvania to metro New York City, central Connecticut and central Massachusetts.

Above freezing temperatures and warm pavement will cause rain, a wintry mix and melting snow in New York City for a time on Wednesday. However, a change to heavy snow is forecast during the afternoon and evening, when road conditions are likely to deteriorate quickly as snow piles up. Travel should be avoided during this time.

Flight delays and cancellations will build in the Northeast with some ripple-effect delays elsewhere in the nation. Crews and aircraft may get tied up or rerouted due to deicing operations, slippery runways, poor visibility and gusty winds.


Track of storm to determine exact snowfall in Interstate 95 corridor

A shift in the storm track by as little as 25 miles can mean the difference between a foot of snow or a much lesser accumulation in the I-95 corridor.

Areas near and to the east of the storm's track are more likely to see a mix of snow and rain or even all rain for a period of time as southerly winds pull in warm ocean air. This would cut down on snow amounts in these areas.

A sharp gradient between close to a foot of snow and a small amount of slush is likely from northeastern Maryland to southeastern New Jersey, central Long Island and southeastern New England.

A similar gradient is likely on the western edge of the heavy snow, where a distance of 25 miles may separate a foot of snow from a few inches.


Yet Another Storm on the Horizon

"Mother Nature may have one more potent, coastal storm for the Northeast into the middle of the month before the pattern shifts somewhat," Sosnowski said. "After the storm this Wednesday and Thursday, a new storm may gather intensity along the Atlantic coast and may make a northward during the period from Sunday, March 11, to Tuesday, March 13."

Later in March, additional storms that brew may also be potent, but the storm track may progress farther to the west over the middle of the nation.

EDITOR’S NOTE: Kristina Pydynowski is a senior meteorologist for AccuWeather.com.

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