May 3, 2010
A deep upper-level trough was shifting slowly east from the central U.S. into the eastern U.S. A leading cold front was located from New York to Alabama. A summerlike subtropical ridge across the southeast U.S. was slowly shifting off the southeast U.S. coast. The highly meridional flow had allowed an unusually deep tropical air mass to spread far northward across the eastern half of the U.S. This weather system had been responsible for widespread catastrophic flooding in western and middle
Source: NOAA National Weather Service Storm Events Database (event 227440). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in De Kalb County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.