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4 products issued by NWS for: 2 Miles WNW Washington DC
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Coastal Flood Advisory

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
910 PM EDT Fri Apr 19 2019

DCZ001-VAZ054-200915-
/O.EXT.KLWX.CF.Y.0016.000000T0000Z-190420T1700Z/
District of Columbia-Arlington/Falls Church/Alexandria-
910 PM EDT Fri Apr 19 2019

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 1 PM EDT SATURDAY...

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

* TIDAL DEPARTURE...One to one and a half feet above normal.

* TIMING...Around the time of high tide. High tide at Washington
  Channel is at 9:24 AM Saturday. High tide at Alexandria is at
  9:42 AM Saturday.

* 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.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
908 PM EDT Fri Apr 19 2019

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-201000-
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-
908 PM EDT Fri Apr 19 2019

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

A Tornado Watch is in effect for until midnight for the entire
outlook area. Some of the storms will likely be capable of
producing damaging wind gusts and isolated tornadoes.

A Flash Flood Watch is in effect until 5 AM.

Gale conditions are possible over the waters overnight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters networks should be are active.

$$



Flash Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
857 PM EDT Fri Apr 19 2019

DCZ001-MDZ004>006-011-013-014-016>018-503>508-VAZ052>054-505-506-
200900-
/O.CON.KLWX.FF.A.0001.000000T0000Z-190420T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Frederick MD-Carroll-Northern Baltimore-
Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys-
Calvert-Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek,
Eldersburg, Westminster, Reisterstown, Cockeysville, 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,
Lexington Park, California, Chesapeake Beach, Huntingtown,
Dunkirk, North Beach, Lusby, Prince Frederick, Germantown,
Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring,
Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen,
Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston,
Herndon, Annandale, Centreville, Chantilly, McLean, Franconia,
Arlington, Alexandria, Falls Church, Purcellville, Leesburg,
Ashburn, and Sterling
857 PM EDT Fri Apr 19 2019

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 5 AM EDT SATURDAY...

The Flash Flood Watch continues for

* The Washington and Baltimore Metropolitan areas as well as
  central and southern Maryland.

* Until 5 AM EDT Saturday

* Showers and thunderstorms with heavy rain this evening may cause
  creeks and streams to rapidly rise out of their banks along with
  the potential of flash flooding in urban areas. Rainfall amounts
  could exceed 3 inches locally, with most of this falling within
  a 1 to 2 hour time period.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$



Tornado Watch

WATCH COUNTY NOTIFICATION FOR WATCH 90
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
850 PM EDT FRI APR 19 2019

DCC001-MDC003-005-009-013-017-021-025-027-031-033-037-510-VAC013-
059-107-153-510-600-610-683-685-200400-
/O.CON.KLWX.TO.A.0090.000000T0000Z-190420T0400Z/

TORNADO WATCH 90 REMAINS VALID UNTIL MIDNIGHT EDT TONIGHT FOR THE
FOLLOWING AREAS

THE DISTRICT OF COLUMBIA

IN MARYLAND THIS WATCH INCLUDES 12 COUNTIES

IN CENTRAL MARYLAND

ANNE ARUNDEL          HOWARD                MONTGOMERY
PRINCE GEORGES

IN NORTH CENTRAL MARYLAND

CARROLL               FREDERICK

IN NORTHERN MARYLAND

BALTIMORE             BALTIMORE CITY        HARFORD

IN SOUTHERN MARYLAND

CALVERT               CHARLES               ST. MARYS

IN VIRGINIA THIS WATCH INCLUDES 9 COUNTIES

IN NORTHERN VIRGINIA

ARLINGTON             CITY OF ALEXANDRIA    CITY OF FAIRFAX
CITY OF FALLS CHURCH  CITY OF MANASSAS
CITY OF MANASSAS PARK                       FAIRFAX
LOUDOUN               PRINCE WILLIAM

THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, ANNAPOLIS,
ARLINGTON, ARNOLD, ASPEN HILL, BALLENGER CREEK, BALTIMORE,
BEL AIR, BETHESDA, BOWIE, CALIFORNIA, CAMP SPRINGS, CATONSVILLE,
CHANTILLY, CHESAPEAKE BEACH, CLINTON, COLLEGE PARK, COLUMBIA,
DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ELLICOTT CITY, ESSEX,
FAIRFAX, FALLS CHURCH, FALLSTON, FREDERICK, GAITHERSBURG,
GERMANTOWN, GLEN BURNIE, GREENBELT, HAVRE DE GRACE, HERNDON,
HUNTINGTOWN, JOPPATOWNE, LAUREL, LEESBURG, LEXINGTON PARK, LUSBY,
MANASSAS, MANASSAS PARK, MCLEAN, NORTH BEACH, ODENTON, PARKVILLE,
PIKESVILLE, POTOMAC, PRINCE FREDERICK, RANDALLSTOWN, RESTON,
ROCKVILLE, SEVERN, SEVERNA PARK, SILVER SPRING, SOUTH GATE,
ST. CHARLES, STERLING, SUITLAND-SILVER HILL, TOWSON, WALDORF,
WASHINGTON, WESTMINSTER, AND WOODBRIDGE.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: May 16, 2007
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