Update at 9:10 a.m. — The ground stop at National Airport is still in effect, according to the FAA website, which reports current departure delays of up to an hour. Meanwhile, the earlier Flash Flood Warning has been replaced by a new Flood Warning.
904 AM EDT Fri Aug 9 2024
…FLOOD WARNING IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON…
…REPLACES FLASH FLOOD WARNING…* WHAT…Flooding caused by excessive rainfall is expected.
* WHERE…Portions of DC, including the following , District of Columbia, central Maryland, including the following county, Montgomery, and northern Virginia, including the following counties, Arlington, City of Alexandria, City of Falls Church and Fairfax.
* WHEN…Until 100 PM EDT.
* IMPACTS…Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall.
* ADDITIONAL DETAILS…
– At 904 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 2 and 3 inches of rain have fallen.
– Additional rainfall amounts up to 0.5 inches are possible in the warned area.
– Some locations that will experience flooding include… Arlington… Alexandria… Bethesda… Annandale… Springfield… Vienna… Groveton… Falls Church… Mantua… Fort Belvoir… Pimmit Hills… Mclean… American Legion Bridge… Rosslyn… Potomac… Burke… Oakton… Lincolnia…
Tysons Corner… Franconia…
– Please visit www.weather.gov/safety/flood for flood safety and preparedness informationPRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
Update at 8:10 a.m. — Reagan National Airport, which is currently seeing very heavy rain, is under a ground stop according to the FAA.
Update at 8 a.m. — Another Flash Flood Warning has been issued, encompassing parts of south Arlington and D.C. The earlier warning remains in effect as heavy rain continues to fall.
Flash Flood Warning including Washington DC, Alexandria VA and Silver Spring MD until 11:00 AM EDT pic.twitter.com/lGm81EdYCB
— NWS Baltimore-Washington (@NWS_BaltWash) August 9, 2024
Earlier: Part of Arlington is under a Flash Flood Warning.
The warning is due to heavy rain. There was also a fast-moving, possibly rotating storm approaching from the south as of 6:45 a.m., though an earlier Tornado Warning for Fairfax County was cancelled by the time it moved over a northwestern portion of Arlington.
The Flash Flood Warning is in effect until 9:45 a.m. as long, narrow bands of heavy rain from Debby continue to race north over the area.
Flash Flood Warning including Arlington VA, Bethesda MD and McLean VA until 9:45 AM EDT pic.twitter.com/Qg4suFmkyq
— NWS Baltimore-Washington (@NWS_BaltWash) August 9, 2024