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Great Falls VA Weather Forecast Great Falls Current Weather

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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Great Falls, Virginia, United States (22066)  Lat: 39.00N, Lon: 77.29W
Wx Zone: VAZ053 ICAO Used: KIAD
Warnings, Watches and Advisories:
WINTER WEATHER ADVISORY
Warning Issue Date: 452 AM EST FRI DEC 04 2009
.LOW PRESSURE IN THE NORTHERN GULF OF MEXICO WILL MOVE UP THE MID
ATLANTIC COAST TODAY AND THEN EAST OF THE DELMARVA TOWARD THE GULF OF
MAINE TONIGHT. THIS WILL BRING SNOW TO THE MID ATLANTIC STATES.
MDZ004>007-009-010-VAZ041-042-050>053-051815-
/O.CON.KLWX.WW.Y.0026.091205T1500Z-091206T0200Z/
FREDERICK MD-CARROLL-NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-
FAUQUIER-LOUDOUN-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER...
GAITHERSBURG...COLUMBIA...LEESBURG...CULPEPER...MANASSAS...
MANASSAS PARK...FAIRFAX
450 AM EST SAT DEC 5 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM EST THIS EVENING...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM EST THIS EVENING.
RAIN WILL DEVELOP THIS MORNING. AS COLDER AIR FILTERS IN...
PRECIPITATION IS EXPECTED TO MIX WITH SNOW BY THE LATE MORNING
HOURS...AND THEN CHANGE TO ALL SNOW THIS AFTERNOON. SNOW WILL
BECOME MODERATE DURING THE MID TO LATE AFTERNOON WHICH MAY REDUCE
VISIBILITIES TO ONE QUARTER MILE OR LESS AT TIMES. SNOW WILL TAPER
OFF DURING THE EVENING.
SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED. TEMPERATURES
WILL FALL INTO THE LOWER 30S DURING THE AFTERNOON. THIS WILL LEAD
TO SLIPPERY CONDITIONS.
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.
$$


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