Apr 15, 2011
A deep, slow moving, negatively tiltled and highly diffluent upper trough was sweeping from the south central into the southeast U.S. during the April 15th and 16th period. A strong Pacific cold front accompanied the upper-level trough. An unseasonably warm, moist and unstable air mass was present across the southeast U.S. in advance of this weather system. An initial line of strong to severe thunderstorms began to move into northwest Georgia during the late afternoon hours of April 15th. As
Source: NOAA National Weather Service Storm Events Database (event 300771). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cobb County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.