**This story has been updated. For the latest information on the storm, click here**
The ingredients for a potent snowstorm will come together over New England, while the second part of the storm will bring the most snow to the mid-Atlantic.
A surge of warm air will mean part of the storm will bring a wintry mix or even rain to portions of the eastern mid-Atlantic and southeastern New England. However, the storm will pull an uncommon move as it progresses and strengthens, bringing a change back to snow in areas that get rain or a mix.
The rain and wintry mix in the Washington/Baltimore to Philadelphia/New York City slot will have many people think the storm is a bust. After a relatively small amount of snow and slush in these cities on south and east, it may seem like the storm has slipped by.
As the surface storm and its upper atmosphere counterpart come together along the New England Coast, the storm will turn colder.
"Substantial snow will fall on the Tennessee Valley and the central Appalachians," according to Senior Meteorologist Kristina Pydynowski.
"Rain and a wintry mix will change back to snow Wednesday afternoon from west to east across much of Virginia and Maryland with the same occurring across Delaware and New Jersey Wednesday evening," Pydynowski said.
According to Winter Weather Expert Meteorologist Brian Wimer, "Enough snow, on the order of 1 to 3 inches and locally more, will coat roads during part of the evening rush hour from around the nation's capital to Philly, all the way to the Jersey and Delaware beaches during the night."
Around New York City and the northern and western suburbs from Washington to Philadelphia, there will be less rain or less of a mix on the front end compared to farther south and just as much or more snow on the back end. Hence the forecast amounts ranging from 2 to 6 inches of snow and mix for many of these areas.
"With the exception of Cape Cod, the islands and southern Rhode Island, where rain will cut down on snow accumulation, the storm will bring primarily snow and plenty of it," Wimer added.
From 6 to 12 inches is in store for many areas of New England, the lower Hudson Valley and northwestern New Jersey. This includes the cities of Hartford, Worcester, Poughkeepsie, Boston and Portland.
Because the storm will tend to be somewhat compact, than rather spread all over the East, little or no snow will fall over much of Ohio, the northwestern half of Pennsylvania, northern and western New York, northern Vermont, northern New Hampshire and northwestern Maine.
The storm is a Wednesday/Wednesday night concern for the mid-Atlantic and a Wednesday night/Thursday concern for New England.
Some school students and teachers will have a day off, early dismissal or a delay as a result of the storm.
Travelers and commuters should expect delays and perhaps some canceled flights.
Most everyone will have some sort of inconvenience or foiled plans as a result of this average to above-average winter storm. Even for hardy folks in New England, this storm will be a big deal.
A clipper storm will bring another round of snow to a large part of the Northeast this weekend.
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