weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

3 products issued by NWS for: Chevy Chase MD
Share |


Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
508 AM EDT Sun Jun 24 2018

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-250915-
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-
508 AM EDT Sun Jun 24 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...Today and Tonight

Scattered showers and thunderstorms may produce gusty winds over
the waters this afternoon and evening.

.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
430 AM EDT Sun Jun 24 2018

DCZ001-VAZ054-241300-
/O.CON.KLWX.CF.Y.0046.000000T0000Z-180624T1300Z/
District of Columbia-Arlington/Falls Church/Alexandria-
430 AM EDT Sun Jun 24 2018

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...

* LOCATIONS...Shoreline in the District of Columbia and
  Arlington County and the city of Alexandria.

* TIDAL DEPARTURE...1 to 2 feet above normal

* TIMING...Around the time of high tide. High tide at Washington
  Channel is at 6:00 AM. High tide at Alexandria is at 6:18 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. Water is expected to approach
  the curb near the intersection of King Street and Strand
  Street in Alexandria. 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.

&&

$$

DHOF



Flood Warning

Flood Statement
National Weather Service Baltimore MD/Washington DC
315 AM EDT Sun Jun 24 2018

...The flood warning continues for the following rivers in
Maryland...Virginia...

  Potomac River at Edwards Ferry affecting Montgomery and Loudoun
  Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Never attempt to drive through a flooded roadway...this is how most
flood deaths result.

Stay tuned to developments by listening to NOAA Weather radio...
television or radio stations...or visit our website at weather.gov.
You can also find us on Facebook by searching U.S. National Weather
Service Baltimore Washington.

&&

MDC031-VAC107-241912-
/O.EXT.KLWX.FL.W.0059.180624T0900Z-180624T1912Z/
/EDFM2.1.ER.180624T0900Z.180624T1200Z.180624T1312Z.UU/
315 AM EDT Sun Jun 24 2018

...Flood Warning extended until this afternoon...
The Flood Warning continues for
  The Potomac River at Edwards Ferry.
* From this morning until this afternoon.
* At 3 AM Sunday the stage was 14.8 feet.
* Flood stage is 15.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this morning and crest near
  15.2 feet by this morning. The river will fall below flood stage by
  late this morning.
* Impact...At 15.0 feet...Water reaches the boat ramp and lower
  parking area at Edwards Ferry, and begins to inundate areas near
  Whites Ferry.
* Flood history...This crest compares to a previous crest of 16.0 feet
  on May 10 2013.

&&


River        Flood    Observed     2PM  8PM  2AM  8AM        Crest
Location     Stage  Stg Day Time   Sun  Sun  Mon  Mon   Stg Day Time

Potomac River
Edwards Ferry 15.0 14.8 Sun 3 AM  14.6 13.7 13.0 12.5  15.2 Sun 8 AM
&&

LAT...LON 3923 7744 3913 7745 3908 7730 3903 7736
      3905 7745 3911 7755 3920 7754

$$




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE