Aug 21, 2020
Southwest winds aloft were responsible for carrying deep tropical moisture across the Piedmont during the morning of the 21st, while northeasterly flow near the surface was in place due to high pressure wedged against the eastern face of the Appalachians. The high moisture content across the Piedmont, with a precipitable water value of 1.77��� measured from the morning sounding at KGSO, as well as very light mean winds, set the stage for slow-moving, highly efficient rainfall. This would b
Source: NOAA National Weather Service Storm Events Database (event 916083). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Danville (c) County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.