Sep 8, 2011
Abnormally moist atmosphere across the mid-Atlantic allowed showers and thunderstorms to produce exceptional rainfall rates across portions of northern Virginia|as the remnants of Tropical Depression Lee interacted with a nearly stationary boundary near the Mason-Dixon line. Major flooding and flash flooding occurred in numerous areas. The highest rainfall and worst flooding happened in a band from King George County northward into Fairfax County. An AWOS site in Fairfax County measured 13.48 in
Source: NOAA National Weather Service Storm Events Database (event 347048). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Fairfax (c) County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.