Weather Alerts | NBC4 Washington

WEATHER ALERTS

  • Coastal Flood Advisory

    Baltimore, MD

    639 AM EDT Fri Sep 21 2018

    ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
    EVENING...

    * LOCATIONS...Shoreline in Southern Baltimore County and the
    city of Baltimore.

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

    * TIMING...Around the time of high tide which will occur at Fort
    McHenry at 5:09 PM, and at Bowley Bat at 6:22 PM.

    * IMPACTS...Flooding is expected at the end of Thames Street in
    Baltimore. Water also is expected to cover the promenade at
    the dragon boat dock in the Inner Harbor. Minor flooding is
    also expected in the Bowley's Quarters area, and 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.

    BALTIMORE FT MCHENRY MD
    MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft
    MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    21/04 PM 3.1 1.4 1.8 1.0 Minor
    22/05 AM 3.4 1.7 1.7 0.5 Minor
    22/06 PM 1.9 0.2 0.5 1.0 None
    23/06 AM 2.1 0.4 0.4 0.5 None
    23/07 PM 2.0 0.3 0.5 0.5 None

    BOWLEYS QUARTERS MD
    MLLW Categories - Minor 3.0 ft, Moderate 3.8 ft, Major 5.0 ft
    MHHW Categories - Minor 1.3 ft, Moderate 2.1 ft, Major 3.3 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    21/06 AM 3.7 2.0 2.1 1.0 Minor
    21/05 PM 3.1 1.4 1.9 1.0 Minor
    22/06 AM 3.3 1.6 1.7 1.0 Minor
    22/06 PM 1.8 0.1 0.5 0.5 None
    23/06 AM 1.9 0.2 0.3 0.5 None
    23/07 PM 1.8 0.1 0.4 0.5 None



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