May 4, 2021
A large thunderstorm complex moved east from the Ohio and Tennessee Valleys across southwest Virginia. The system caused dozens of trees to be toppled across the region. Heavy rainfall from these storms also caused localized flooding in the City of Roanoke, where rainfall rates were in excess of 4 inches per hour at one point, between a 5-year and 10-year rainfall event per NOAA Atlas 14 Point Frequency Estimates. Rainfall amounts across the City of Roanoke ranged from 1.50 to 1.75 inches, not
Source: NOAA National Weather Service Storm Events Database (event 960023). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Roanoke (c) County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.