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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
201 AM EDT Sun Jul 22 2018

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-221000-
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-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
201 AM EDT Sun Jul 22 2018

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and adjacent counties in
central Maryland and northern Virginia as well as the District of
Columbia.

.DAY ONE...Tonight

Numerous flood warnings remain in effect across the region into
Sunday morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$



Coastal Flood Advisory

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
106 AM EDT Sun Jul 22 2018


DCZ001-221200-
/O.CON.KLWX.CF.Y.0056.000000T0000Z-180722T1200Z/
District of Columbia-
106 AM EDT Sun Jul 22 2018

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* LOCATIONS...Shoreline in the District of Columbia.

* TIDAL DEPARTURE...Between one and one and a half feet above
  normal.

* TIMING...Around the time of high tide early Sunday morning.
  High tide at Washington Channel is at 4:40 AM.

* IMPACTS...Shoreline inundation is expected along portions of
  the seawall adjacent to Ohio Drive and the Hains Point Loop
  Road, and near the Tidal Basin and Jefferson Memorial. 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.

&&

$$



Flood Warning

Flood Warning
National Weather Service Baltimore MD/Washington DC
100 AM EDT SUN JUL 22 2018

DCC001-MDC031-033-VAC013-510-610-221215-
/O.EXT.KLWX.FA.W.0181.000000T0000Z-180722T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia DC-Montgomery MD-Prince Georges MD-Arlington VA-
City of Falls Church VA-City of Alexandria VA-
100 AM EDT SUN JUL 22 2018

The National Weather Service in Sterling Virginia has extended the

* Flood Warning for...
  The District of Columbia...
  Montgomery County in central Maryland...
  Central Prince Georges County in central Maryland...
  Arlington County in northern Virginia...
  The City of Falls Church in northern Virginia...
  The City of Alexandria in northern Virginia...

* Until 815 AM EDT Sunday.

* At 1258 AM EDT, the heaviest rain has ended, but creeks and
  streams continue to rise out of their banks due to previous
  rainfall. Numerous roads are closed due to high water. Flooding is
  expected to continue overnight. Doppler radar estimated that
  between 3 and 7 inches of rain has fallen across the area.

* Some locations that may experience flooding include...
  Arlington, Alexandria, Germantown, Rockville, Bethesda,
  Gaithersburg, Bowie, Clinton, Olney, College Park, Fort Washington,
  Greenbelt, Langley Park, Beltsville, Fort Hunt, Damascus,
  Forestville, Falls Church, Huntington and Lowes Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3913 7696 3913 7689 3904 7676 3872 7686
      3867 7706 3870 7709 3872 7704 3879 7705
      3880 7714 3885 7711 3889 7719 3893 7712
      3896 7714 3898 7725 3902 7725 3905 7730
      3907 7744 3916 7742 3928 7724 3930 7715

$$

BJL




U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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