Feb 18, 2012; 8:39 AM ET
A snowstorm will take shape over the mountains of Virginia and West Virginia late tonight and will expand across Kentucky into northern Tennessee, northwestern North Carolina, and eastward across Virginia on Sunday into Sunday evening.
As colder air invades the storm on Sunday afternoon and Sunday evening, rain will change to snow in lower elevations in these areas.
Cities in the path of an upcoming expanding area of snow will include Beckley, W.Va., Charlottesville, Va. and London, Ky.
A general 3 to 6 inches of snow is expected in this zone with locally
higher amounts, especially in the highest elevations, where a foot is
possible.
Snow is also forecast to reach places usually too warm for snow including Charlotte, N.C., Richmond, Va. and Nashville, Tenn.
In order to get snow to accumulate on roads during the day, it must
snow hard. However, this is possible in part of the central
Appalachians. Travel in part of the I-75, I-77 and I-81 corridors could
get rough for a while.
During the late afternoon and nighttime hours, as temperatures drop
slightly and the sun's effect is lost, look for roads to turn slushy and
snowcovered. Slippery conditions can even spread into the I-95 corridor
in Virginia on Sunday night.
Dry air will hold its ground over Indiana, Ohio, Pennsylvania, New
York and New Jersey, and will create a rather sharp northern edge to the
accumulating snow.
No snow is expected from this storm in New York City, Philadelphia, Pittsburgh, Columbus, Ohio and Indianapolis.
A matter of a dozen miles may well determine which areas are completely dry, versus a couple of inches of snow.
The northern edge will run east-west just south of the Ohio River to
the northern Delmarva. It appears most of the accumulating snow will
slip just south of Washington, D.C. and Baltimore, Md.
Like many storms, this storm will have many faces. In the South,
severe weather is unfolding ranging from flash flooding to damaging
thunderstorms and tornadoes.
A good side to the storm will be a late-season Presidents Day boost
for skiing in parts of the central and southern Appalachians as well as a
good swift kick into the building drought from Florida to coastal North
Carolina.
Some kids (and adults) who have Monday off for the holiday or because
of weather conditions will be able to finally get out and play in the
snow.
Snow may linger for a time in portions of the Delmarva, Virginia and
North Carolina to start on Monday, but sunshine should return to most
areas as the day progresses.
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