DENSE FOG ADVISORY
Warning Issue Date: 557 PM EST SAT DEC 26 2009
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY...
A DENSE FOG ADVISORY REMAINS 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.
$$
FLOOD WATCH
Warning Issue Date: 249 PM EST SAT DEC 26 2009
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
THE FLOOD WATCH CONTINUES FOR
* PORTIONS OF MARYLAND...THE DISTRICT OF COLUMBIA AND VIRGINIA...
INCLUDING THE FOLLOWING AREAS...IN MARYLAND...ANNE ARUNDEL...
CALVERT...CARROLL...CHARLES...FREDERICK MD...HARFORD...
HOWARD...MONTGOMERY...NORTHERN BALTIMORE...PRINCE GEORGES...
SOUTHERN BALTIMORE AND ST. MARYS. THE DISTRICT OF COLUMBIA. IN
VIRGINIA...ALBEMARLE...ARLINGTON/FALLS CHURCH/ALEXANDRIA...
AUGUSTA...CLARKE...CULPEPER...FAIRFAX...FAUQUIER...GREENE...
KING GEORGE...LOUDOUN...MADISON...NELSON...ORANGE...PAGE...
PRINCE WILLIAM/MANASSAS/MANASSAS PARK...RAPPAHANNOCK...
ROCKINGHAM...SHENANDOAH...SPOTSYLVANIA...STAFFORD AND WARREN.
* THROUGH LATE TONIGHT
* STRONG LOW PRESSURE WILL AFFECT THE AREA THROUGH
TONIGHT...BRINGING MODERATE TO OCCASIONALLY HEAVY RAIN. RAINFALL
AMOUNTS OF 1 TO 1.5 INCHES ARE EXPECTED THROUGH TONIGHT... WITH
LOCALLY HIGHER AMOUNTS TO 2 INCHES POSSIBLE. THE RAINFALL
COMBINED WITH MELTING SNOW WILL BE CAPABLE OF CAUSING FLOODING
IN URBAN AREAS AS WELL AS SMALL STREAMS AND OTHER POOR DRAINAGE
AND LOW LYING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
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