Dec 1, 2010
A major storm affected the eastern U.S. during the period of November 30 - December 1 as a powerful upper low and surface system moved into the Great Lakes proving an extended period of deep southerly flow across the region. Precipitable water values were extremely high for very early December, running from 1.3 to 1.6 inches or nearly 200 percent of normal. Precipitation developed late on the 29th and produced moderate rains (0.25 to 0.50���) across the western portion of the NWS Blacksbu
Source: NOAA National Weather Service Storm Events Database (event 274639). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Roanoke County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.