From the National Weather Service and the National Oceanic and Atmospheric Administration: Last night a 1 in 1000 Year Rainfall Event occurred over Blue Ridge, GA. Both the 12-hour rainfall amount of 11.19 in and the 6-hour rainfall amount of 10.28 in exceeded the 1 in 1000 year rainfall event mark during their respective time frames per the NOAA Atlas 14.   submitted by   /u/CivilPE2001 [link]   [comments]