Maryland: WASHINGTON, FREDERICK, CARROLL, MONTGOMERY
Virginia: AUGUSTA, ROCKINGHAM, SHENANDOAH, FREDERICK, PAGE, WARREN, CLARKE, NELSON, ALBEMARLE, GREENE, MADISON, RAPPAHANNOCK, FAUQUIER, LOUDOUN
West Virginia: MORGAN, BERKELEY, JEFFERSON
WINTER STORM WATCH REMAINS IN EFFECT FROM 7 PM EST THIS EVENING THROUGH WEDNESDAY MORNING...
PRECIPITATION IS EXPECTED TO BEGIN THIS AFTERNOON ACROSS THE POTOMAC HIGHLANDS AND CENTRAL SHENANDOAH VALLEY AS A PERIOD OF SNOW...MOVING NORTH TO THE PENNSYLVANIA BORDER EARLY TUESDAY EVENING. PRECIPITATION IS EXPECTED TO MIX WITH SLEET AND TO BECOME HEAVIER THIS EVENING BEFORE CHANGING TO RAIN BY MID- MORNING WEDNESDAY.
TEMPERATURES AT THE SURFACE WILL STAY BELOW FREEZING...SO RAIN THAT FALLS WILL FREEZE ON IMPACT. FREEZING RAIN IS EXPECTED TO CONTINUE THROUGH TUESDAY NIGHT BEFORE WARMER AIR ARRIVES WEDNESDAY MORNING.
ICE ACCUMULATION UP TO ONE-QUARTER INCH IS POSSIBLE. THE HIGHEST ACCUMULATIONS ARE EXPECTED ACROSS THE BLUE RIDGE MOUNTAINS... SHENANDOAH VALLEY...AND THE POTOMAC AND ALLEGHENY HIGHLANDS.
A WINTER STORM WATCH MEANS THAT THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS AND REMAIN ALERT FOR SUBSEQUENT WARNINGS FROM THE NATIONAL WEATHER SERVICE
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Tuesday, December 8, 2009
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