Snow, Sleet Strikes From Pennsylvania to NYC, BostonUp to six inches of snow could fall in parts of New England
The second of two quick-moving waves of ice and snow began racing through the mid-Atlantic and New England Tuesday night.
The first system brought relatively few problems across the region on Monday into Monday night, as mostly rain fell from Washington D.C into Philadelphia, New York and Boston.
There were a few reports of sleet mixing in with the rain, and there were a couple snowflakes on the northern fringe of precipitation, but there were no major travel problems.
The second of the two storm systems will depart Wednesday, and it will be more significant than the first in that it has the best chance of bringing a wintry accumulation, comprised of mostly snow.
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Snow had already arrived in places like Hartford and Boston early Wednesday morning.
There have already been reports of up to 4" of snow across central Pennsylvania, and some places in western Maryland have had nearly half an inch of dangerous glaze.
Enough snow and wintry mix will fall during the late-night and morning hours from north-central Pennsylvania to interior New England to cause slippery travel. Major highways impacted include I-80, I-81,I-84, I-87, I-88. I-90, I-91 and I-93.
With the storm into Wednesday, a general coating to an inch accumulation of mostly snow is possible on non-paved surfaces from part of southwestern Pennsylvania and perhaps western Maryland and the high ground of northern West Virginia to part of southeastern Pennsylvania, the nearby northern and western suburbs of New York to southern Connecticut, much of Rhode Island and southeastern Massachusetts.
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The latest version of the snow accumulation map can be found on AccuWeather.com's Winter Weather Center.
Meteorologists call storms of this nature "flat waves of low pressure." In the right circumstances they can bring moderate to heavy precipitation. In the case this week, odds favor little or no precipitation with the first wave and light precipitation and the potential for moderate precipitation for some areas with the second wave.
Dry air will hold on over northern Ohio to northern upstate New York and northernmost New England.
Arctic air will overspread the Great Lakes, New England, neighboring Canada and upstate New York later in the week.
There is a chance a third wave of low pressure rides northeastward later this week. Odds favor this system passing off the southern Atlantic Coast before reaching much of the cold air up north.
Additional pushes of arctic air will tend to punch a bit farther to the south next week as the implications of the stratospheric warming event that occurred earlier in the month near the North Pole are realized.
For more weather news visit AccuWeather.com.
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