NOAA logo  
alert map
Radar valid at 1000 pm EDT, Jun 17th 2019

alert legend

District of Columbia-Washington-Frederick MD-Carroll-
Northern Baltimore-Southern Baltimore-Prince Georges-Anne Arundel-
Extreme Western Allegany-Central and Eastern Allegany-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Frederick VA-Clarke-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Morgan-Berkeley-Jefferson-Western Grant-Western Mineral-
Including the cities of Washington, Hagerstown, 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,
Frostburg, Cumberland, Germantown, Damascus, Bethesda, Rockville,
Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City,
Jarrettsville, Aberdeen, Winchester, Berryville, Reston, Herndon,
Annandale, Centreville, Chantilly, McLean, Franconia, Arlington,
Alexandria, Falls Church, Purcellville, Leesburg, Ashburn,
Sterling, Paw Paw, Martinsburg, Charles Town, Shepherdstown,
Bayard, Mount Storm, and Elk Garden
357 AM EDT Mon Jun 17 2019


The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of Maryland, The District of
Columbia, Virginia, and West Virginia, including the following
areas, in Maryland, Anne Arundel, Carroll, Central and Eastern
Allegany, Central and Southeast Howard, Central and Southeast
Montgomery, Extreme Western Allegany, Frederick MD, Northern
Baltimore, Northwest Harford, Northwest Howard, Northwest
Montgomery, Prince Georges, Southeast Harford, Southern
Baltimore, and Washington. The District of Columbia. In
Virginia, Arlington/Falls Church/Alexandria, Clarke, Eastern
Loudoun, Fairfax, Frederick VA, and Western Loudoun. In West
Virginia, Berkeley, Jefferson, Morgan, Western Grant, and
Western Mineral.

* From 2 PM EDT this afternoon through this evening

* Numerous to widespread showers and thunderstorms are expected
this afternoon and this evening in a very warm and humid
environment. There is potential for showers to move repeatedly
over the same areas and to produce intense rainfall rates in a
short period of time that may lead to flash flooding. The
greatest risk of flash flooding is across northern and central


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.


iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only. You are encouraged to complete a short survey on iNWS. See the iNWS Service Description Document for more information.