WINTER STORM WATCH
Warning Issue Date: 216 PM EST SUN DEC 06 2009
...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM TUESDAY EVENING
THROUGH WEDNESDAY MORNING.
PRECIPITATION IS EXPECTED TO BEGIN TUESDAY AFTERNOON IN THE
CENTRAL SHENANDOAH HIGHLANDS AS A PERIOD OF SNOW...MOVING NORTH TO
THE PENNSYLVANIA BORDER EARLY TUESDAY EVENING. PRECIPITATION IS
EXPECTED MIX WITH SLEET...BECOME HEAVIER TUESDAY EVENING AND
CHANGE TO RAIN. HOWEVER TEMPERATURES AT THE SURFACE WILL STAY
BELOW FREEZING...SO RAIN THAT FALLS WILL FREEZE ON IMPACT.
FREEZING RAIN IS EXPECTED TO CONTINUE THROUGHOUT TUESDAY NIGHT
BEFORE WARMER AIR MOVES IN WEDNESDAY MORNING.
ONE QUARTER INCH OF FREEZING RAIN ACCUMULATION IS POSSIBLE. THE
MOST LIKELY PLACE TO RECEIVE THAT MUCH WOULD BE IN THE COLDER
LOW LYING AREAS OF THE SHENANDOAH VALLEY AND ALLEGHENY HIGHLANDS.
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
$$
AW/SK
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