Aug 14, 2023
A warm front passed through the area. The combination of increasing moisture throughout all levels of the atmosphere, forcing from the warm front, and an unstable atmosphere caused heavy showers and thunderstorms to develop. These storms trained over a few areas around the Washington Metropolitan area, resulting in instances of flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 1113182). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Fairfax County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.