HAZARDOUS WEATHER OUTLOOK
Issue Date: 611 PM EST FRI DEC 25 2009
Expiration: 500 AM EST SAT DEC 26 2009

Expires:200912261000;;
FLUS41 KLWX 252309
HWOLWX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
609 PM EST FRI DEC 25 2009
MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051-
WVZ050>055-501>504-261000-
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-
609 PM EST FRI DEC 25 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...TONIGHT
A DENSE FOG ADVISORY IS IN EFFECT THROUGH LATE TONIGHT FOR MUCH
OF NORTHERN MARYLAND...MUCH OF NORTHERN VIRGINIA FROM THE I-66
CORRIDOR NORTHWARD AND THE WEST VIRGINIA PANHANDLE. PLEASE REFER
TO WBCNPWLWX FOR FURTHER DETAILS.
A WINTER WEATHER ADVISORY IN EFFECT THROUGH 10 PM FOR MUCH OF THE
POTOMAC HIGHLAND REGION. PLEASE REFER TO WBCWSWLWX FOR FURTHER
DETAILS.
A FLOOD WATCH IS IN EFFECT LATE THIS AFTERNOON AND TONIGHT FOR
AREAS EAST OF THE BLUE RIDGE MOUNTAINS AS WELL AS THE SHENANDOAH
VALLEY. PLEASE REFER TO WBCFFALWX FOR FURTHER DETAILS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
ACCUMULATING SNOW SHOWERS ARE EXPECTED MONDAY THROUGH TUESDAY
ACROSS FAVORED WESTERN SLOPES OF THE HIGHLANDS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
$$

DENSE FOG ADVISORY
Issue Date: 414 PM EST FRI DEC 25 2009
Expiration: 100 AM EST SAT DEC 26 2009

...DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
DENSE FOG ADVISORY...IN EFFECT UNTIL 1 AM EST SATURDAY.
DENSE FOG WILL AFFECT MUCH OF NORTHERN MARYLAND...EXTREME NORTHERN
VIRGINIA AND PORTIONS OF THE WEST VIRGINIA PANHANDLE LATE THIS
AFTERNOON AND EVENING. LIGHT WINDS AND A SATURATED AIRMASS WILL
REINFORCE THESE CONDITIONS THROUGH THE EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW
DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD
OF YOU.
$$

FLOOD WATCH
Issue Date: 230 PM EST THU DEC 24 2009
Expiration: 600 AM EST SAT DEC 26 2009

...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF MARYLAND...THE DISTRICT OF
COLUMBIA AND VIRGINIA...INCLUDING THE FOLLOWING AREAS...IN
MARYLAND...ANNE ARUNDEL...CALVERT...CARROLL...CHARLES...
FREDERICK MD...HARFORD...HOWARD...MONTGOMERY...NORTHERN
BALTIMORE...PRINCE GEORGES...SOUTHERN BALTIMORE AND ST. MARYS.
THE DISTRICT OF COLUMBIA. IN VIRGINIA...ALBEMARLE...
ARLINGTON/FALLS CHURCH/ALEXANDRIA...CULPEPER...FAIRFAX...
FAUQUIER...GREENE...KING GEORGE...LOUDOUN...MADISON...NELSON...
ORANGE...PRINCE WILLIAM/MANASSAS/MANASSAS PARK...
RAPPAHANNOCK...SPOTSYLVANIA AND STAFFORD.
* FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT
* STRONG LOW PRESSURE WILL AFFECT THE AREA FRIDAY AFTERNOON
THROUGH FRIDAY NIGHT BRINGING MODERATE TO HEAVY RAIN. WIDESPREAD
RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE EXPECTED THROUGH FRIDAY
NIGHT...WITH LOCALLY HIGHER AMOUNTS OVER 2 INCHES POSSIBLE. THE
RAINFALL COMBINED WITH MELTING SNOW WILL BE CAPABLE OF CAUSING
FLOODING IN URBAN AREAS AS WELL AS SMALL STREAMS AND OTHER POOR
DRAINAGE AND LOW LYING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$