May 20, 2013
A weak mid level flow existed over a moist lower atmosphere. Slow moving showers, with embedded thunderstorms, developed near dawn over Buchanan County. These showers moved along their northwest to southeast axis, causing repetitive showers over the small streams during the morning. ||Rain amounts of 2 to 2.5 inches of rain were measured around Grundy in 3 to 4 hours. Radar estimated rain amounts upwards of 3 inches. A few small streams in the mountainous terrain flooded the narrow hollows
Source: NOAA National Weather Service Storm Events Database (event 440820). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Buchanan County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.