SPECAL MARINE WARNING POTOMAC RIVER

[Nws Olney Maryland]

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
515 PM EDT THU AUG 12 2010

THE NATIONAL WEATHER SERVICE IN OLNEY MARYLAND HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD...
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD...

* UNTIL 715 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS...PRODUCING STRONG WINDS 34 KNOTS OR GREATER
FROM 31 NM NORTH OF REAGAN NATIONAL AIRPORT TO 38 NM NORTHWEST OF
REAGAN NATIONAL AIRPORT...MOVING SOUTH AT 20 KNOTS.

* THESE STRONG THUNDERSTORMS WILL BE NEAR...
REAGAN NATIONAL AIRPORT...
ALEXANDRIA...
THE WOODROW WILSON BRIDGE...
FORT WASHINGTON...
MT. VERNON...
GUNSTON HALL...
MASON NECK STATE PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MARINERS CAN EXPECT GUSTY WINDS...HIGH WAVES...DANGEROUS LIGHTNING...
AND HEAVY RAINS. BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY...UNTIL
THIS STORM PASSES.