Weather Alerts | NBC4 Washington

WEATHER ALERTS

  • Coastal Flood Advisory

    Anne Arundel, MD

    110 AM EST Sun Jan 20 2019

    ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
    MORNING...

    * LOCATIONS...Shoreline in Anne Arundel County.

    * TIDAL DEPARTURE...Around 2 feet above normal.

    * TIMING...Around the time of high tide. High tide at Annapolis is
    at 3:30 AM this morning.

    * IMPACTS...Water is expected to pond in the parking lot at
    Annapolis City Dock, causing parking restrictions in the area.
    Minor shoreline inundation up to one foot above ground 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 2.6 ft, Moderate 3.3 ft, Major 6.0 ft
    MHHW Categories - Minor 1.2 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
    -------- --------- --------- --------- ------- --------
    20/03 AM 2.6 1.2 2.1 1.0 Minor
    20/05 PM 2.3 0.9 1.2 1.0 None
    21/05 AM 0.3 -1.1 -0.3 1.0 None
    21/06 PM 0.6 -0.8 -0.5 1.0 None
    22/05 AM 0.0 -1.4 -0.6 0.5 None
    22/07 PM 1.1 -0.3 0.0 1.0 None



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