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Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
924 PM EDT THU MAY 25 2017

DCZ001-VAZ054-260930-
/O.EXT.KLWX.CF.Y.0032.000000T0000Z-170526T1500Z/
DISTRICT OF COLUMBIA-ARLINGTON/FALLS CHURCH/ALEXANDRIA-
924 PM EDT THU MAY 25 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 AM EDT FRIDAY...

* LOCATIONS...SENSITIVE PORTIONS OF THE WASHINGTON DC AND
  ALEXANDRIA WATERFRONT.

* TIDAL DEPARTURE...1 TO 2 FEET ABOVE NORMAL.

* TIMING...ONGOING WITH HIGH TIDE THIS EVENING...AND THEN AGAIN
  WITH HIGH TIDE FRIDAY MORNING...WHICH WILL OCCUR AROUND 9 AM.

* IMPACTS...SHORELINE INUNDATION IS EXPECTED ALONG PORTIONS OF
  THE SEAWALL ADJACENT TO OHIO DRIVE AND THE HAINS POINT LOOP
  ROAD. WATER IS EXPECTED TO APPROACH THE CURB NEAR THE
  INTERSECTION OF KING STREET AND STRAND STREET IN ALEXANDRIA.
  MINOR SHORELINE INUNDATION IS POSSIBLE ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

&&

FORECAST TIDES ARE REFERENCED TO MEAN LOWER LOW WATER
(MLLW) AND MEAN HIGHER HIGH WATER (MHHW) UNLESS
OTHERWISE NOTED. TIME OF HIGH TOTAL TIDE IS
APPROXIMATE TO NEAREST HOUR. TOTAL TIDE COMBINES THE
NORMAL TIDE AND DEPARTURE FROM NORMAL. FLOOD IMPACT
IS BASED ON THE TOTAL TIDE AND WAVES WHERE APPLICABLE.

$$



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