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Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
838 PM EDT WED MAY 24 2017

DCZ001-VAZ054-250845-
/O.CAN.KLWX.CF.Y.0031.000000T0000Z-170525T1500Z/
/O.NEW.KLWX.CF.Y.0032.170525T0800Z-170525T1500Z/
DISTRICT OF COLUMBIA-ARLINGTON/FALLS CHURCH/ALEXANDRIA-
838 PM EDT WED MAY 24 2017

...COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM TO 11 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON DC HAS
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT FROM 4 AM TO
11 AM EDT THURSDAY.

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

* TIDAL DEPARTURE...1 TO 1.5 FEET ABOVE NORMAL.

* TIMING...AROUND HIGH TIDE THURSDAY MORNING. HIGH TIDE AT
  WASHINGTON CHANNEL IS AT 8:01 AM THURSDAY MORNING. HIGH TIDE AT
  ALEXANDRIA IS AT 8:19 AM THURSDAY MORNING.

* 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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