3 products issued by NWS for: Baltimore MD
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 1009 PM EDT Sat Sep 23 2023 ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508- VAZ053>057-527-250215- Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria- Stafford-Spotsylvania-King George- Central and Southeast Prince William/Manassas/Manassas Park- 1009 PM EDT Sat Sep 23 2023 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and I-95 corridor through central Maryland, northern Virginia, and District of Columbia. .DAY ONE...Tonight A Coastal Flood Warning is in effect for shoreline in St. Mary`s and Anne Arundel Counties, as well as the District of Columbia, Arlington, and the City of Alexandria. A Flood Watch for flash flooding is in effect for the I-95 corridor from Fredericksburg VA to Baltimore MD. A Gale Warning is in in effect for the Chesapeake Bay and most adjoining estuaries north of Drum Point MD, and the tidal Potomac River from Key Bridge to Cobb Island MD. .DAYS TWO THROUGH SEVEN...Sunday through Friday The Flood Watch is in effect until 8 AM Sunday. Coastal Flood Warnings continue through Sunday morning. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to reports any coastal flooding. $$
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
1019 PM EDT Sat Sep 23 2023
MDZ011-241000-
/O.EXB.KLWX.CF.Y.0081.000000T0000Z-230924T1000Z/
Southern Baltimore-
1019 PM EDT Sat Sep 23 2023
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 AM EDT SUNDAY...
* WHAT...Up to one half foot of inundation above ground level in
low lying areas due to tidal flooding.
* WHERE...Shoreline in Southern Baltimore County and the City of
Baltimore.
* WHEN...Until 6 AM EDT Sunday, especially around the time of
high tide.
* IMPACTS...At 3.5 feet, flooding is occurring at the end of
Thames Street in Baltimore. Water covers the promenade in the
Inner Harbor in multiple locations. At 3.0 feet, water begins
encroaching upon yards in the Bowleys Quarters area.
* ADDITIONAL DETAILS...Tides one and a half to two feet above
normal. The next high tide at Fort McHenry Baltimore is at 2:13
AM overnight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
NW Branch Patapsco River at Baltimore 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
-------- --------- --------- --------- ------- --------
24/02 AM 3.5 1.8 1.5 1.0 Minor
24/02 PM 2.9 1.2 1.7 0.5 None
25/02 AM 3.1 1.4 1.3 0.5 None
25/03 PM 1.8 0.1 0.6 0.5 None
26/04 AM 1.9 0.2 0.0 0.5 None
26/04 PM 1.5 -0.2 0.1 0.5 None
Chesapeake Bay at Bowleys Quarters
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
-------- --------- --------- --------- ------- --------
24/03 AM 3.0 1.3 1.2 2.0 Minor
24/03 PM 2.7 1.0 1.6 1.0 None
25/03 AM 2.8 1.1 1.0 1.0 None
25/03 PM 1.6 -0.1 0.5 1.0 None
26/04 AM 1.5 -0.2 -0.2 1.0 None
26/05 PM 1.1 -0.6 -0.2 1.0 None
&&
$$
Flood Watch
Flood Watch
National Weather Service Baltimore MD/Washington DC
1012 PM EDT Sat Sep 23 2023
DCZ001-MDZ011-013-014-016-504-506-VAZ053>057-527-241015-
/O.CON.KLWX.FA.A.0012.000000T0000Z-230924T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Southern Baltimore-Prince Georges-Anne
Arundel-Charles-Central and Southeast Montgomery-Central and
Southeast Howard-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-Central and Southeast Prince
William/Manassas/Manassas Park-
Including the cities of Washington, Baltimore, Bowie,
Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel,
Camp Springs, Glen Burnie, Annapolis, Severn, South Gate, Severna
Park, Arnold, Odenton, St. Charles, Waldorf, Bethesda, Rockville,
Gaithersburg, Silver Spring, Columbia, Ellicott City, Reston,
Herndon, Annandale, Centreville, Chantilly, McLean, Franconia,
Arlington, Alexandria, Falls Church, Falmouth, Fredericksburg,
Dahlgren, Dale City, Manassas, Woodbridge, Lake Ridge, and
Montclair
1012 PM EDT Sat Sep 23 2023
...FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT SUNDAY...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...District of Columbia. Portions of Maryland, including the
following areas, Anne Arundel, Central and Southeast Howard,
Central and Southeast Montgomery, Charles, Prince Georges, and
Southern Baltimore. Portions of Virginia, including the following
areas, Arlington/Falls Church/Alexandria, Central and Southeast
Prince William/Manassas/Manassas Park, Fairfax, King George,
Spotsylvania, and Stafford.
* WHEN...Until 8 AM EDT Sunday.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- As the center of Ophelia moves north along or near the
Interstate 95 corridor, it will produce an area of enhanced
rainfall. This is expected to result in 1 to 3 inches of
rain, with locally higher amounts possible. This heavy
rainfall will occur in a 2 to 4 hour period, and could result
in flooding or flash flooding within the urban I-95 corridor.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
DHOF