Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA

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000
WHUS41 KLWX 271019
CFWLWX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
619 AM EDT THU APR 27 2017


DCZ001-VAZ054-271700-
/O.EXB.KLWX.CF.Y.0018.000000T0000Z-170427T1700Z/
DISTRICT OF COLUMBIA-ARLINGTON/FALLS CHURCH/ALEXANDRIA-
619 AM EDT THU APR 27 2017

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 1 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON DC HAS
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 1 PM
EDT THIS AFTERNOON.

* LOCATIONS...SENSITIVE COMMUNITIES ALONG THE DC AND ALEXANDRIA SHORELINE.

* TIDAL DEPARTURE...AROUND 0.5 TO 1 FOOT ABOVE NORMAL.

* TIMING...AROUND THE EARLY MORNING HIGH TIDE. AT WASHINGTON CHANNEL
  HIGH TIDE WILL BE AT 9:13 AM AND AT 9:31 AM AT ALEXANDRIA.

* 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.

$$

MDZ014-271400-
/O.CON.KLWX.CF.Y.0018.000000T0000Z-170427T1400Z/
ANNE ARUNDEL-
619 AM EDT THU APR 27 2017

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* LOCATIONS...SENSITIVE COMMUNITIES ALONG THE ANNE ARUNDEL
  COUNTY SHORELINE, INCLUDING ANNAPOLIS.

* TIDAL DEPARTURE...AROUND 1 FOOT ABOVE NORMAL.

* TIMING...AROUND THE EARLY MORNING HIGH TIDE. IN ANNAPOLIS,
  HIGH TIDE WILL BE AT 6:38 AM.

* IMPACTS...WATER IS EXPECTED TO POND IN THE PARKING LOT AT
  ANNAPOLIS CITY DOCK. 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.

ANNAPOLIS MD
MLLW CATEGORIES - MINOR 2.4 FT, MODERATE 3.3 FT, MAJOR 6.0 FT
MHHW CATEGORIES - MINOR 1.0 FT, MODERATE 1.9 FT, MAJOR 4.6 FT

             TOTAL      TOTAL    DEPARTURE
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD
            FT MLLW    FT MHHW       FT       FT      IMPACT
 --------  ---------  ---------  ---------  -------  --------
 27/06 AM     2.5        1.1        0.9       0.5     MINOR
 27/07 PM     2.0        0.6        0.9       1.0      NONE
 28/08 AM     2.4        1.0        0.7       0.5     MINOR
 28/08 PM     1.4       -0.0        0.3       0.5      NONE
 29/08 AM     2.0        0.6        0.4       0.5      NONE
 29/09 PM     1.5        0.1        0.4       0.5      NONE

$$

$$



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