WINTER WEATHER ADVISORY
Warning Issue Date: 229 PM EST FRI DEC 25 2009
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 AM EST
FRIDAY...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
WINTER WEATHER ADVISORY FOR FREEZING RAIN...WHICH IS IN EFFECT
FROM 4 AM TO 10 AM EST FRIDAY.
* PRECIP TYPE...FREEZING RAIN.
* ACCUMULATIONS...RANGING FROM A TRACE JUST WEST OF INTERSTATE 95
TO LESS THAN A TENTH INCH JUST EAST OF THE BLUE RIDGE.
* TIMING...FREEZING DRIZZLE WILL BEGIN IN THE PRE DAWN HOURS
FRIDAY. FREEZING RAIN WILL BEGIN AFTER SUNRISE...AND CHANGE OVER
TO RAIN FROM EAST TO WEST FRIDAY MORNING.
* TEMPERATURES...IN THE UPPER 20S TO AROUND 30 AT THE BEGINNING OF
THE EVENT...AND WILL SLOWLY RISE ABOVE FREEZING.
* WINDS...5 TO 10 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SLEET OR FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
$$
HTS
FLOOD WATCH
Warning Issue Date: 230 PM EST FRI DEC 25 2009
...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF MARYLAND...THE DISTRICT OF
COLUMBIA AND VIRGINIA...INCLUDING THE FOLLOWING AREAS...IN
MARYLAND...ANNE ARUNDEL...CALVERT...CARROLL...CHARLES...
FREDERICK MD...HARFORD...HOWARD...MONTGOMERY...NORTHERN
BALTIMORE...PRINCE GEORGES...SOUTHERN BALTIMORE AND ST. MARYS.
THE DISTRICT OF COLUMBIA. IN VIRGINIA...ALBEMARLE...
ARLINGTON/FALLS CHURCH/ALEXANDRIA...CULPEPER...FAIRFAX...
FAUQUIER...GREENE...KING GEORGE...LOUDOUN...MADISON...NELSON...
ORANGE...PRINCE WILLIAM/MANASSAS/MANASSAS PARK...
RAPPAHANNOCK...SPOTSYLVANIA AND STAFFORD.
* FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT
* STRONG LOW PRESSURE WILL AFFECT THE AREA FRIDAY AFTERNOON
THROUGH FRIDAY NIGHT BRINGING MODERATE TO HEAVY RAIN. WIDESPREAD
RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE EXPECTED THROUGH FRIDAY
NIGHT...WITH LOCALLY HIGHER AMOUNTS OVER 2 INCHES POSSIBLE. THE
RAINFALL COMBINED WITH MELTING SNOW WILL BE CAPABLE OF CAUSING
FLOODING IN URBAN AREAS AS WELL AS SMALL STREAMS AND OTHER POOR
DRAINAGE AND LOW LYING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
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