HAZARDOUS WEATHER OUTLOOK
Issue Date: 312 PM EST FRI DEC 18 2009
Expiration: 500 AM EST SAT DEC 19 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE
CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN
CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF
COLUMBIA.
.DAY ONE...THIS AFTERNOON AND TONIGHT
LOW PRESSURE ACROSS THE SOUTHEASTERN UNITED STATES WILL EMERGE
INTO THE ATLANTIC OFF THE CAROLINA COAST TONIGHT. ACCUMULATING SNOW
WILL SPREAD ACROSS THE AREA TONIGHT WITH HEAVY SNOW EXPECTED. A
WINTER STORM WARNING IS IN EFFECT BEGINNING TONIGHT. PLEASE SEE
THE LATEST WINTER WEATHER MESSAGE /WSWLWX/ FOR DETAILS.
PROLONGED NORTHEASTERLY ONSHORE FLOW WILL POSE A THREAT FOR MINOR
COASTAL FLOODING TONIGHT.
A SMALL CRAFT ADVISORY IS IN EFFECT THIS EVENING FOR THE LOWER TIDAL
POTOMAC RIVER AND THE MARYLAND CHESAPEAKE BAY FROM NORTH BEACH TO
SMITH POINT. A SMALL CRAFT ADVISORY IS IN EFFECT LATE TONIGHT FOR
ALL OF THE MARYLAND CHESAPEAKE BAY AND TIDAL POTOMAC RIVER.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
A WINTER STORM WARNING CONTINUES THROUGH SATURDAY NIGHT.
PROLONGED NORTHEASTERLY ONSHORE FLOW WILL POSE A THREAT FOR MINOR
COASTAL FLOODING SATURDAY.
A GALE WARNING IS IN EFFECT FOR THE LOWER TIDAL POTOMAC AND
MARYLAND CHESAPEAKE BAY BELOW POOLES ISLAND SATURDAY AND SATURDAY
EVENING. A SMALL CRAFT ADVISORY IS IN EFFECT NORTH OF POOLES
ISLAND AND FOR THE REMAINDER OF THE TIDAL POTOMAC RIVER.
SMALL CRAFT ADVISORIES WILL LIKELY BE REQUIRED BEYOND SATURDAY
EVENING.
.SPOTTER INFORMATION STATEMENT...
ON-STATION SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
HOWEVER...SKYWARN WILL BE OPERATING REMOTELY. PLEASE RELAY ANY
SNOW ACCUMULATION REPORTS TO THE NATIONAL WEATHER SERVICE.
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