Sep 22, 2011
A deepening upper-level low was progressing slowly southeastward from the northern plains into the Ohio Valley region. By September 24th, this system had become a deep cutoff low which meandered about the Ohio Valley and Mid-Atlantic region for over a week. On September 22nd as the upper low was progressing slowly southeast and deepening, a leading short wave and associated cold front progressing into the southeast U.S. encountered an unseasonably warm, moist, almost tropical air mass. Precipi
Source: NOAA National Weather Service Storm Events Database (event 347925). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Forsyth County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.