May 21, 2020
An upper-level low became cut-off over the southern Appalachian region for several days leading to persistent rainfall and eventually some flooding. Four-day (96-hour) rainfall amounts ending at 800 AM EDT on May 22nd ranged from 3 to over 12 inches in the most favored locations along the Blue Ridge. Some of these showers had strong winds associated with them.
Source: NOAA National Weather Service Storm Events Database (event 894600). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Alleghany County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.