NOAA logo  
alert map
Radar valid at 600 am EDT, Aug 17th 2021

alert legend

...Heavy rainfall has ended, but localized flooding along rivers and streams are possible during the overnight hours...

DCC001-MDC031-VAC013-059-171000-
/O.NEW.KLWX.FA.W.0083.210817T0617Z-210817T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia DC-Montgomery MD-Arlington VA-Fairfax VA-
217 AM EDT Tue Aug 17 2021

The National Weather Service in Sterling Virginia has issued a

* Flood Warning for...
Northwestern District of Columbia...
Southeastern Montgomery County in central Maryland...
Northwestern Arlington County in northern Virginia...
East Central Fairfax County in northern Virginia...

* Until 600 AM EDT.

* At 217 AM EDT, Doppler radar and automated rain gauges indicated
heavy rain due to thunderstorms. Flooding is ongoing or expected
to begin shortly in the warned area. Between 1 and 2 inches of
rain have fallen.

* Some locations that will experience flooding include...
Arlington... Bethesda...
Langley Park... Fairland...
White Oak... Takoma Park...
Colesville... Kemp Mill...
Chevy Chase... North Kensington...
South Kensington... Forest Glen...
Hillandale... Martin's Additions...
North Chevy Chase... Friendship Village...
Wheaton-Glenmont... American University...
Georgetown... Ballston...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3892 7717 3900 7710 3906 7707 3909 7703
3912 7696 3911 7692 3909 7692 3900 7699
3899 7699 3886 7711 3890 7716

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.