Aug 28, 2009
Moisture streaming northeastward from an upper low over the Deep South with additional moisture from Tropical Storm Danny off the North Carolina coast pooled up against a stationary boundary near the Mason-Dixon Line. Several Rounds of heavy rain-producing showers and thunderstorms pushed eastward along this boundary from the early morning hours through the evening of the 28th. This produced flash flooding over northeast Maryland. Numerous reports of rainfall totals of 3 to 5 inches, with isolat
Source: NOAA National Weather Service Storm Events Database (event 189148). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Carroll County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.