SPECIAL WEATHER STATEMENT
Issue Date: 645 AM EST THU DEC 24 2009
Expiration: 900 AM EST THU DEC 24 2009

...PATCHY DENSE FOG WILL CAUSE SLICK SPOTS ON ROADWAYS THIS MORNING...
PATCHY DENSE FOG HAS FORMED ACROSS PORTIONS OF THE CENTRAL SHENANDOAH
VALLEY...AND ADJACENT VALLEY LOCATIONS IN THE FOOTHILLS AND POTOMAC
HIGHLANDS. EXPECT PATCHY DENSE FOG TO CONTINUE ACROSS THE AREA UNTIL
AN HOUR OR SO AFTER SUNRISE...WITH VISIBILITY AT TIMES BEING REDUCED
TO UNDER ONE QUARTER OF A MILE IN SOME LOCATIONS. WITH TEMPERATURES
WELL BELOW FREEZING...IN THE TEENS...ACROSS THE AREA...THIS FOG MAY
LEAD TO PATCHES OF ICE ON UNTREATED SURFACES.
IN ADDITION...TEMPERATURES ROSE ABOVE FREEZING ACROSS MUCH OF THE AREA
WEDNESDAY...CAUSING SOME OF THE SNOW FROM THIS PAST WEEKENDS STORM TO
MELT. WITH THE SUB-FREEZING TEMPERATURES THIS MORNING...ANY WATER FROM
THE MELTED SNOW HAS LIKELY RE- FROZEN...FORMING PATCHES OF ICE.
ANY ROADWAYS...BRIDGES AND OVERPASSES...AND SIDEWALKS THAT HAVE NOT
BEEN TREATED MAY BE VERY SLIPPERY EARLY THIS MORNING.
MOTORISTS SHOULD EXERCISE EXTREME CAUTION...AND BE PREPARED FOR SUDDEN
REDUCTIONS IN VISIBILITY. BE AWARE OF THE POTENTIAL TO ENCOUNTER PATCHES
OF ICE EARLY THIS MORNING. BE ESPECIALLY CAUTIOUS OF BLACK ICE...WHICH
IS PARTICULARLY HARD TO DETECT.
THE RE-FREEZING OF SNOW MELT AND SLUSH IS EXPECTED AGAIN TOMORROW NIGHT
AS OVERNIGHT TEMPERATURES WILL FALL INTO THE TEENS AND TWENTIES ONCE
AGAIN.
$$
SBK

HAZARDOUS WEATHER OUTLOOK
Issue Date: 500 AM EST THU DEC 24 2009
Expiration: 500 AM EST FRI DEC 25 2009

Expires:200912251000;;
FLUS41 KLWX 240937
HWOLWX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
437 AM EST THU DEC 24 2009
MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051-
WVZ050>055-501>504-251000-
WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN-
ORANGE-CULPEPER-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON-
HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
437 AM EST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA...
NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND
WITH THE EXCEPTION OF GARRETT COUNTY.
.DAY ONE...TODAY AND TONIGHT
A STORM SYSTEM WILL ALLOW LIGHT FREEZING RAIN TO DEVELOP LATE
TONIGHT ACROSS PORTIONS OF THE POTOMAC HIGHLANDS...SHENANDOAH
VALLEY OF VIRGINIA AND CENTRAL VIRGINIA FOOTHILLS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
FREEZING RAIN IS EXPECTED ACROSS THE OUTLOOK AREA CHRISTMAS
MORNING. FREEZING RAIN WILL LIKELY CHANGE TO RAIN FOR LOCATIONS
EAST OF THE BLUE RIDGE BY EARLY AFTERNOON...BUT IT IS POSSIBLE
THAT THE FREEZING RAIN MAY LINGER ACROSS SOME AREAS WEST OF THE
BLUE RIDGE INTO EARLY FRIDAY EVENING BEFORE THE CHANGE TO RAIN.
THE HEAVIEST ICE ACCRETION WILL OCCUR IN THE VALLEYS. A WINTER
STORM WATCH HAS BEEN ISSUED FOR WEST OF THE BLUE RIDGE IN
VIRGINIA...EASTERN WEST VIRGINIA...AND WESTERN MARYLAND. PLEASE
SEE THE LATEST WINTER WEATHER MESSAGE FOR THE DETAILS.
WINDS WILL INCREASE FRIDAY...WITH STRONG WIND GUSTS POSSIBLE OVER
RIDGE TOPS ABOVE 2000 FEET FRIDAY AND FRIDAY NIGHT.
IN ADDITION...RAINFALL ONTO THE EXISTING SNOWPACK MAY RESULT IN
SMALL STREAM FLOODING FRIDAY NIGHT AND SATURDAY. THOSE WITH ROAD
FLOODING INTERESTS SHOULD ENSURE STORM DRAINS ARE CLEAR OF SNOW
AND ICE.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
$$

WINTER STORM WATCH
Issue Date: 246 PM EST WED DEC 23 2009
Expiration: 600 PM EST FRI DEC 25 2009

...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE THURSDAY NIGHT
THROUGH FRIDAY AFTERNOON.
* PRECIP TYPE...FREEZING RAIN.
* ACCUMULATIONS...AROUND A QUARTER INCH POSSIBLE.
* TIMING...LATE THURSDAY NIGHT THROUGH FRIDAY AFTERNOON...
POTENTIALLY CONTINUING INTO FRIDAY EVENING IN SOME OF THE DEEPER
VALLEYS.
* TEMPERATURES...WILL START IN THE UPPER 20S AND SLOWLY RISE INTO
THE LOWER 30S DURING THE DAY.
* WINDS...10 TO 15 MPH FOR THE VALLEYS. GUSTY WINDS 25 TO 30 MPH
FOR RIDGETOPS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
$$