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Web Portal Changes: In Spring 2024, the Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS) at a repurposed https://water.noaa.gov. A preview of NWPS is available here, where you can see your station hydrograph by replacing SSSSS with the station 5-character id: https://preview.water.noaa.gov/gauges/SSSSS.

Flood Inundation Mapping: Experimental real-time flood Inundation mapping services for 10% of the United States are now available via the NWS Map Viewer. Additional products and geospatial services depicting River Forecast Center and National Water Model forecasts continue to be accessible as described in the StoryMap here.

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Chattahoochee River above Roswell Stage (ft)Flow (kcfs)Observed: 6.59 ft at 6:15AM Mar 14, 2024Observed: 6.6 ft at 6:30AM Mar 14, 2024Observed: 6.6 ft at 6:45AM Mar 14, 2024Observed: 6.6 ft at 7:00AM Mar 14, 2024Observed: 6.59 ft at 7:15AM Mar 14, 2024Observed: 6.6 ft at 7:30AM Mar 14, 2024Observed: 6.61 ft at 7:45AM Mar 14, 2024Observed: 6.61 ft at 8:00AM Mar 14, 2024Observed: 6.61 ft at 8:15AM Mar 14, 2024Observed: 6.61 ft at 8:30AM Mar 14, 2024Observed: 6.62 ft at 8:45AM Mar 14, 2024Observed: 6.61 ft at 9:00AM Mar 14, 2024Observed: 6.62 ft at 9:15AM Mar 14, 2024Observed: 6.62 ft at 9:30AM Mar 14, 2024Observed: 6.62 ft at 9:45AM Mar 14, 2024Observed: 6.62 ft at 10:00AM Mar 14, 2024Observed: 6.61 ft at 10:15AM Mar 14, 2024Observed: 6.62 ft at 10:30AM Mar 14, 2024Observed: 6.62 ft at 10:45AM Mar 14, 2024Observed: 6.63 ft at 11:00AM Mar 14, 2024Observed: 6.64 ft at 11:15AM Mar 14, 2024Observed: 6.64 ft at 11:30AM Mar 14, 2024Observed: 6.65 ft at 11:45AM Mar 14, 2024Observed: 6.64 ft at 12:00PM Mar 14, 2024Observed: 6.63 ft at 12:15PM Mar 14, 2024Observed: 6.63 ft at 12:30PM Mar 14, 2024Observed: 6.62 ft at 12:45PM Mar 14, 2024Observed: 6.63 ft at 1:00PM Mar 14, 2024Observed: 6.63 ft at 1:15PM Mar 14, 2024Observed: 6.62 ft at 1:30PM Mar 14, 2024Observed: 6.62 ft at 1:45PM Mar 14, 2024Observed: 6.63 ft at 2:00PM Mar 14, 2024Observed: 6.64 ft at 2:15PM Mar 14, 2024Observed: 6.63 ft at 2:30PM Mar 14, 2024Observed: 6.64 ft at 2:45PM Mar 14, 2024Observed: 6.64 ft at 3:00PM Mar 14, 2024Observed: 6.64 ft at 3:15PM Mar 14, 2024Observed: 6.64 ft at 3:30PM Mar 14, 2024Observed: 6.65 ft at 3:45PM Mar 14, 2024Observed: 6.64 ft at 4:00PM Mar 14, 2024Observed: 6.66 ft at 4:15PM Mar 14, 2024Observed: 6.65 ft at 4:30PM Mar 14, 2024Observed: 6.65 ft at 4:45PM Mar 14, 2024Observed: 6.64 ft at 5:00PM Mar 14, 2024Observed: 6.66 ft at 5:15PM Mar 14, 2024Observed: 6.65 ft at 5:30PM Mar 14, 2024Observed: 6.65 ft at 5:45PM Mar 14, 2024Observed: 6.65 ft at 6:00PM Mar 14, 2024Observed: 6.65 ft at 6:15PM Mar 14, 2024Observed: 6.65 ft at 6:30PM Mar 14, 2024Observed: 6.64 ft at 6:45PM Mar 14, 2024Observed: 6.64 ft at 7:00PM Mar 14, 2024Observed: 6.63 ft at 7:15PM Mar 14, 2024Observed: 6.63 ft at 7:30PM Mar 14, 2024Observed: 6.63 ft at 7:45PM Mar 14, 2024Observed: 6.62 ft at 8:00PM Mar 14, 2024Observed: 6.62 ft at 8:15PM Mar 14, 2024Observed: 6.62 ft at 8:30PM Mar 14, 2024Observed: 6.61 ft at 8:45PM Mar 14, 2024Observed: 6.6 ft at 9:00PM Mar 14, 2024Observed: 6.59 ft at 9:15PM Mar 14, 2024Observed: 6.58 ft at 9:30PM Mar 14, 2024Observed: 6.59 ft at 9:45PM Mar 14, 2024Observed: 6.58 ft at 10:00PM Mar 14, 2024Observed: 6.58 ft at 10:15PM Mar 14, 2024Observed: 6.57 ft at 10:30PM Mar 14, 2024Observed: 6.57 ft at 10:45PM Mar 14, 2024Observed: 6.56 ft at 11:00PM Mar 14, 2024Observed: 6.56 ft at 11:15PM Mar 14, 2024Observed: 6.55 ft at 11:30PM Mar 14, 2024Observed: 6.55 ft at 11:45PM Mar 14, 2024Observed: 6.55 ft at 12:00AM Mar 15, 2024Observed: 6.55 ft at 12:15AM Mar 15, 2024Observed: 6.56 ft at 12:30AM Mar 15, 2024Observed: 6.57 ft at 12:45AM Mar 15, 2024Observed: 6.57 ft at 1:00AM Mar 15, 2024Observed: 6.57 ft at 1:15AM Mar 15, 2024Observed: 6.58 ft at 1:30AM Mar 15, 2024Observed: 6.57 ft at 1:45AM Mar 15, 2024Observed: 6.56 ft at 2:00AM Mar 15, 2024Observed: 6.56 ft at 2:15AM Mar 15, 2024Observed: 6.55 ft at 2:30AM Mar 15, 2024Observed: 6.55 ft at 2:45AM Mar 15, 2024Observed: 6.53 ft at 3:00AM Mar 15, 2024Observed: 6.55 ft at 3:15AM Mar 15, 2024Observed: 6.56 ft at 3:30AM Mar 15, 2024Observed: 6.55 ft at 3:45AM Mar 15, 2024Observed: 6.56 ft at 4:00AM Mar 15, 2024Observed: 6.55 ft at 4:15AM Mar 15, 2024Observed: 6.55 ft at 4:30AM Mar 15, 2024Observed: 6.55 ft at 4:45AM Mar 15, 2024Observed: 6.54 ft at 5:00AM Mar 15, 2024Observed: 6.54 ft at 5:15AM Mar 15, 2024Observed: 6.52 ft at 5:30AM Mar 15, 2024Observed: 6.5 ft at 5:45AM Mar 15, 2024Observed: 6.48 ft at 6:00AM Mar 15, 2024Observed: 6.44 ft at 6:15AM Mar 15, 2024Observed: 6.42 ft at 6:30AM Mar 15, 2024Observed: 6.37 ft at 6:45AM Mar 15, 2024Observed: 6.33 ft at 7:00AM Mar 15, 2024Observed: 6.27 ft at 7:15AM Mar 15, 2024Observed: 6.23 ft at 7:30AM Mar 15, 2024Observed: 6.16 ft at 7:45AM Mar 15, 2024Observed: 6.1 ft at 8:00AM Mar 15, 2024Observed: 6.04 ft at 8:15AM Mar 15, 2024Observed: 5.97 ft at 8:30AM Mar 15, 2024Observed: 5.9 ft at 8:45AM Mar 15, 2024Observed: 5.82 ft at 9:00AM Mar 15, 2024Observed: 5.74 ft at 9:15AM Mar 15, 2024Observed: 5.67 ft at 9:30AM Mar 15, 2024Observed: 5.59 ft at 9:45AM Mar 15, 2024Observed: 5.52 ft at 10:00AM Mar 15, 2024Observed: 5.44 ft at 10:15AM Mar 15, 2024Observed: 5.37 ft at 10:30AM Mar 15, 2024Observed: 5.29 ft at 10:45AM Mar 15, 2024Observed: 5.24 ft at 11:00AM Mar 15, 2024Observed: 5.17 ft at 11:15AM Mar 15, 2024Observed: 5.11 ft at 11:30AM Mar 15, 2024Observed: 5.04 ft at 11:45AM Mar 15, 2024Observed: 4.98 ft at 12:00PM Mar 15, 2024Observed: 4.92 ft at 12:15PM Mar 15, 2024Observed: 4.87 ft at 12:30PM Mar 15, 2024Observed: 4.84 ft at 12:45PM Mar 15, 2024Observed: 4.81 ft at 1:00PM Mar 15, 2024Observed: 4.81 ft at 1:15PM Mar 15, 2024Observed: 4.81 ft at 1:30PM Mar 15, 2024Observed: 4.84 ft at 1:45PM Mar 15, 2024Observed: 4.91 ft at 2:00PM Mar 15, 2024Observed: 4.99 ft at 2:15PM Mar 15, 2024Observed: 5.09 ft at 2:30PM Mar 15, 2024Observed: 5.22 ft at 2:45PM Mar 15, 2024Observed: 5.36 ft at 3:00PM Mar 15, 2024Observed: 5.5 ft at 3:15PM Mar 15, 2024Observed: 5.64 ft at 3:30PM Mar 15, 2024Observed: 5.79 ft at 3:45PM Mar 15, 2024Observed: 5.91 ft at 4:00PM Mar 15, 2024Observed: 6.04 ft at 4:15PM Mar 15, 2024Observed: 6.14 ft at 4:30PM Mar 15, 2024Observed: 6.22 ft at 4:45PM Mar 15, 2024Observed: 6.29 ft at 5:00PM Mar 15, 2024Observed: 6.35 ft at 5:15PM Mar 15, 2024Observed: 6.39 ft at 5:30PM Mar 15, 2024Observed: 6.42 ft at 5:45PM Mar 15, 2024Observed: 6.43 ft at 6:00PM Mar 15, 2024Observed: 6.42 ft at 6:15PM Mar 15, 2024Observed: 6.41 ft at 6:30PM Mar 15, 2024Observed: 6.39 ft at 6:45PM Mar 15, 2024Observed: 6.36 ft at 7:00PM Mar 15, 2024Observed: 6.31 ft at 7:15PM Mar 15, 2024Observed: 6.26 ft at 7:30PM Mar 15, 2024Observed: 6.21 ft at 7:45PM Mar 15, 2024Observed: 6.15 ft at 8:00PM Mar 15, 2024Observed: 6.09 ft at 8:15PM Mar 15, 2024Observed: 6.02 ft at 8:30PM Mar 15, 2024Observed: 5.96 ft at 8:45PM Mar 15, 2024Observed: 5.91 ft at 9:00PM Mar 15, 2024Observed: 5.85 ft at 9:15PM Mar 15, 2024Observed: 5.81 ft at 9:30PM Mar 15, 2024Observed: 5.78 ft at 9:45PM Mar 15, 2024Observed: 5.77 ft at 10:00PM Mar 15, 2024Observed: 5.77 ft at 10:15PM Mar 15, 2024Observed: 5.78 ft at 10:30PM Mar 15, 2024Observed: 5.81 ft at 10:45PM Mar 15, 2024Observed: 5.86 ft at 11:00PM Mar 15, 2024Observed: 5.92 ft at 11:15PM Mar 15, 2024Observed: 5.99 ft at 11:30PM Mar 15, 2024Observed: 6.09 ft at 11:45PM Mar 15, 2024Observed: 6.19 ft at 12:00AM Mar 16, 2024Observed: 6.29 ft at 12:15AM Mar 16, 2024Observed: 6.4 ft at 12:30AM Mar 16, 2024Observed: 6.49 ft at 12:45AM Mar 16, 2024Observed: 6.59 ft at 1:00AM Mar 16, 2024Observed: 6.67 ft at 1:15AM Mar 16, 2024Observed: 6.74 ft at 1:30AM Mar 16, 2024Observed: 6.79 ft at 1:45AM Mar 16, 2024Observed: 6.83 ft at 2:00AM Mar 16, 2024Observed: 6.84 ft at 2:15AM Mar 16, 2024Observed: 6.87 ft at 2:30AM Mar 16, 2024Observed: 6.85 ft at 2:45AM Mar 16, 2024Observed: 6.83 ft at 3:00AM Mar 16, 2024Observed: 6.8 ft at 3:15AM Mar 16, 2024Observed: 6.76 ft at 3:30AM Mar 16, 2024Observed: 6.71 ft at 3:45AM Mar 16, 2024Observed: 6.67 ft at 4:00AM Mar 16, 2024Observed: 6.6 ft at 4:15AM Mar 16, 2024Observed: 6.52 ft at 4:30AM Mar 16, 2024Observed: 6.45 ft at 4:45AM Mar 16, 2024Observed: 6.37 ft at 5:00AM Mar 16, 2024Observed: 6.29 ft at 5:15AM Mar 16, 2024Observed: 6.2 ft at 5:30AM Mar 16, 2024Observed: 6.12 ft at 5:45AM Mar 16, 2024Observed: 6.04 ft at 6:00AM Mar 16, 2024Observed: 5.94 ft at 6:15AM Mar 16, 2024Observed: 5.86 ft at 6:30AM Mar 16, 2024Observed: 5.78 ft at 6:45AM Mar 16, 2024Observed: 5.69 ft at 7:00AM Mar 16, 2024Observed: 5.61 ft at 7:15AM Mar 16, 2024Observed: 5.53 ft at 7:30AM Mar 16, 2024Observed: 5.45 ft at 7:45AM Mar 16, 2024Observed: 5.37 ft at 8:00AM Mar 16, 2024Observed: 5.29 ft at 8:15AM Mar 16, 2024Observed: 5.21 ft at 8:30AM Mar 16, 2024Observed: 5.14 ft at 8:45AM Mar 16, 2024Observed: 5.06 ft at 9:00AM Mar 16, 2024Observed: 4.99 ft at 9:15AM Mar 16, 2024Observed: 4.91 ft at 9:30AM Mar 16, 2024Observed: 4.85 ft at 9:45AM Mar 16, 2024Observed: 4.79 ft at 10:00AM Mar 16, 2024Observed: 4.72 ft at 10:15AM Mar 16, 2024Observed: 4.66 ft at 10:30AM Mar 16, 2024Observed: 4.6 ft at 10:45AM Mar 16, 2024Observed: 4.54 ft at 11:00AM Mar 16, 2024Observed: 4.48 ft at 11:15AM Mar 16, 2024Observed: 4.43 ft at 11:30AM Mar 16, 2024Observed: 4.37 ft at 11:45AM Mar 16, 2024Observed: 4.32 ft at 12:00PM Mar 16, 2024Observed: 4.27 ft at 12:15PM Mar 16, 2024Observed: 4.22 ft at 12:30PM Mar 16, 2024Observed: 4.17 ft at 12:45PM Mar 16, 2024Observed: 4.13 ft at 1:00PM Mar 16, 2024Observed: 4.09 ft at 1:15PM Mar 16, 2024Observed: 4.05 ft at 1:30PM Mar 16, 2024Observed: 4.01 ft at 1:45PM Mar 16, 2024Observed: 3.98 ft at 2:00PM Mar 16, 2024Observed: 3.94 ft at 2:15PM Mar 16, 2024Observed: 3.91 ft at 2:30PM Mar 16, 2024Observed: 3.88 ft at 2:45PM Mar 16, 2024Observed: 3.85 ft at 3:00PM Mar 16, 2024Observed: 3.82 ft at 3:15PM Mar 16, 2024Observed: 3.79 ft at 3:30PM Mar 16, 2024Observed: 3.76 ft at 3:45PM Mar 16, 2024Observed: 3.74 ft at 4:00PM Mar 16, 2024Observed: 3.71 ft at 4:15PM Mar 16, 2024Observed: 3.68 ft at 4:30PM Mar 16, 2024Observed: 3.66 ft at 4:45PM Mar 16, 2024Observed: 3.64 ft at 5:00PM Mar 16, 2024Observed: 3.62 ft at 5:15PM Mar 16, 2024Observed: 3.59 ft at 5:30PM Mar 16, 2024Observed: 3.57 ft at 5:45PM Mar 16, 2024Observed: 3.55 ft at 6:00PM Mar 16, 2024Observed: 3.53 ft at 6:15PM Mar 16, 2024Observed: 3.52 ft at 6:30PM Mar 16, 2024Observed: 3.5 ft at 6:45PM Mar 16, 2024Observed: 3.48 ft at 7:00PM Mar 16, 2024Observed: 3.46 ft at 7:15PM Mar 16, 2024Observed: 3.45 ft at 7:30PM Mar 16, 2024Observed: 3.43 ft at 7:45PM Mar 16, 2024Observed: 3.42 ft at 8:00PM Mar 16, 2024Observed: 3.4 ft at 8:15PM Mar 16, 2024Observed: 3.39 ft at 8:30PM Mar 16, 2024Observed: 3.38 ft at 8:45PM Mar 16, 2024Observed: 3.37 ft at 9:00PM Mar 16, 2024Observed: 3.36 ft at 9:15PM Mar 16, 2024Observed: 3.35 ft at 9:30PM Mar 16, 2024Observed: 3.35 ft at 9:45PM Mar 16, 2024Observed: 3.35 ft at 10:00PM Mar 16, 2024Observed: 3.37 ft at 10:15PM Mar 16, 2024Observed: 3.41 ft at 10:30PM Mar 16, 2024Observed: 3.46 ft at 10:45PM Mar 16, 2024Observed: 3.54 ft at 11:00PM Mar 16, 2024Observed: 3.64 ft at 11:15PM Mar 16, 2024Observed: 3.77 ft at 11:30PM Mar 16, 2024Observed: 3.91 ft at 11:45PM Mar 16, 2024Observed: 4.06 ft at 12:00AM Mar 17, 2024Observed: 4.21 ft at 12:15AM Mar 17, 2024Observed: 4.36 ft at 12:30AM Mar 17, 2024Observed: 4.49 ft at 12:45AM Mar 17, 2024Observed: 4.61 ft at 1:00AM Mar 17, 2024Observed: 4.71 ft at 1:15AM Mar 17, 2024Observed: 4.79 ft at 1:30AM Mar 17, 2024Observed: 4.86 ft at 1:45AM Mar 17, 2024Observed: 4.9 ft at 2:00AM Mar 17, 2024Observed: 4.93 ft at 2:15AM Mar 17, 2024Observed: 4.95 ft at 2:30AM Mar 17, 2024Observed: 4.96 ft at 2:45AM Mar 17, 2024Observed: 4.94 ft at 3:00AM Mar 17, 2024Observed: 4.93 ft at 3:15AM Mar 17, 2024Observed: 4.91 ft at 3:30AM Mar 17, 2024Observed: 4.88 ft at 3:45AM Mar 17, 2024Observed: 4.85 ft at 4:00AM Mar 17, 2024Observed: 4.81 ft at 4:15AM Mar 17, 2024Observed: 4.78 ft at 4:30AM Mar 17, 2024Observed: 4.73 ft at 4:45AM Mar 17, 2024Observed: 4.69 ft at 5:00AM Mar 17, 2024Observed: 4.64 ft at 5:15AM Mar 17, 2024Observed: 4.6 ft at 5:30AM Mar 17, 2024Observed: 4.55 ft at 5:45AM Mar 17, 2024Observed: 4.5 ft at 6:00AM Mar 17, 2024Observed: 4.46 ft at 6:15AM Mar 17, 2024Observed: 4.41 ft at 6:30AM Mar 17, 2024Observed: 4.36 ft at 6:45AM Mar 17, 2024Observed: 4.31 ft at 7:00AM Mar 17, 2024Observed: 4.26 ft at 7:15AM Mar 17, 2024Observed: 4.22 ft at 7:30AM Mar 17, 2024Observed: 4.17 ft at 7:45AM Mar 17, 2024Observed: 4.12 ft at 8:00AM Mar 17, 2024Observed: 4.08 ft at 8:15AM Mar 17, 2024Observed: 4.03 ft at 8:30AM Mar 17, 2024Observed: 3.99 ft at 8:45AM Mar 17, 2024Observed: 3.95 ft at 9:00AM Mar 17, 2024Observed: 3.91 ft at 9:15AM Mar 17, 2024Observed: 3.87 ft at 9:30AM Mar 17, 2024Observed: 3.83 ft at 9:45AM Mar 17, 2024Observed: 3.79 ft at 10:00AM Mar 17, 2024Observed: 3.76 ft at 10:15AM Mar 17, 2024Observed: 3.72 ft at 10:30AM Mar 17, 2024Observed: 3.69 ft at 10:45AM Mar 17, 2024Observed: 3.65 ft at 11:00AM Mar 17, 2024Observed: 3.61 ft at 11:15AM Mar 17, 2024Observed: 3.57 ft at 11:30AM Mar 17, 2024Observed: 3.54 ft at 11:45AM Mar 17, 2024Observed: 3.5 ft at 12:00PM Mar 17, 2024Observed: 3.47 ft at 12:15PM Mar 17, 2024Observed: 3.44 ft at 12:30PM Mar 17, 2024Observed: 3.41 ft at 12:45PM Mar 17, 2024Observed: 3.39 ft at 1:00PM Mar 17, 2024Observed: 3.36 ft at 1:15PM Mar 17, 2024Observed: 3.35 ft at 1:30PM Mar 17, 2024Observed: 3.33 ft at 1:45PM Mar 17, 2024Observed: 3.31 ft at 2:00PM Mar 17, 2024Observed: 3.3 ft at 2:15PM Mar 17, 2024Observed: 3.28 ft at 2:30PM Mar 17, 2024Observed: 3.27 ft at 2:45PM Mar 17, 2024Observed: 3.25 ft at 3:00PM Mar 17, 2024Observed: 3.24 ft at 3:15PM Mar 17, 2024Observed: 3.23 ft at 3:30PM Mar 17, 2024Observed: 3.22 ft at 3:45PM Mar 17, 2024Observed: 3.21 ft at 4:00PM Mar 17, 2024Observed: 3.2 ft at 4:15PM Mar 17, 2024Observed: 3.2 ft at 4:30PM Mar 17, 2024Observed: 3.18 ft at 4:45PM Mar 17, 2024Observed: 3.17 ft at 5:00PM Mar 17, 2024Observed: 3.17 ft at 5:15PM Mar 17, 2024Observed: 3.16 ft at 5:30PM Mar 17, 2024Observed: 3.15 ft at 5:45PM Mar 17, 2024Observed: 3.14 ft at 6:00PM Mar 17, 2024Observed: 3.14 ft at 6:15PM Mar 17, 2024Observed: 3.13 ft at 6:30PM Mar 17, 2024Observed: 3.12 ft at 6:45PM Mar 17, 2024Observed: 3.12 ft at 7:00PM Mar 17, 2024Observed: 3.12 ft at 7:15PM Mar 17, 2024Observed: 3.12 ft at 7:30PM Mar 17, 2024Observed: 3.12 ft at 7:45PM Mar 17, 2024Observed: 3.12 ft at 8:00PM Mar 17, 2024Observed: 3.13 ft at 8:15PM Mar 17, 2024Observed: 3.14 ft at 8:30PM Mar 17, 2024Observed: 3.15 ft at 8:45PM Mar 17, 2024Observed: 3.16 ft at 9:00PM Mar 17, 2024Observed: 3.19 ft at 9:15PM Mar 17, 2024Observed: 3.23 ft at 9:30PM Mar 17, 2024Observed: 3.3 ft at 9:45PM Mar 17, 2024Observed: 3.39 ft at 10:00PM Mar 17, 2024Observed: 3.51 ft at 10:15PM Mar 17, 2024Observed: 3.66 ft at 10:30PM Mar 17, 2024Observed: 3.83 ft at 10:45PM Mar 17, 2024Observed: 4.01 ft at 11:00PM Mar 17, 2024Observed: 4.18 ft at 11:15PM Mar 17, 2024Observed: 4.34 ft at 11:30PM Mar 17, 2024Observed: 4.48 ft at 11:45PM Mar 17, 2024Observed: 4.6 ft at 12:00AM Mar 18, 2024Observed: 4.7 ft at 12:15AM Mar 18, 2024Observed: 4.78 ft at 12:30AM Mar 18, 2024Observed: 4.84 ft at 12:45AM Mar 18, 2024Observed: 4.89 ft at 1:00AM Mar 18, 2024Observed: 4.92 ft at 1:15AM Mar 18, 2024Observed: 4.94 ft at 1:30AM Mar 18, 2024Observed: 4.95 ft at 1:45AM Mar 18, 2024Observed: 4.95 ft at 2:00AM Mar 18, 2024Observed: 4.94 ft at 2:15AM Mar 18, 2024Observed: 4.92 ft at 2:30AM Mar 18, 2024Observed: 4.9 ft at 2:45AM Mar 18, 2024Observed: 4.87 ft at 3:00AM Mar 18, 2024Observed: 4.83 ft at 3:15AM Mar 18, 2024Observed: 4.79 ft at 3:30AM Mar 18, 2024Observed: 4.75 ft at 3:45AM Mar 18, 2024Observed: 4.71 ft at 4:00AM Mar 18, 2024Observed: 4.66 ft at 4:15AM Mar 18, 2024Observed: 4.62 ft at 4:30AM Mar 18, 2024Observed: 4.57 ft at 4:45AM Mar 18, 2024Observed: 4.53 ft at 5:00AM Mar 18, 2024Observed: 4.48 ft at 5:15AM Mar 18, 2024Observed: 4.44 ft at 5:30AM Mar 18, 2024Observed: 4.39 ft at 5:45AM Mar 18, 2024Observed: 4.35 ft at 6:00AM Mar 18, 2024Observed: 4.3 ft at 6:15AM Mar 18, 2024Observed: 4.26 ft at 6:30AM Mar 18, 2024Observed: 4.21 ft at 6:45AM Mar 18, 2024Observed: 4.16 ft at 7:00AM Mar 18, 2024Observed: 4.12 ft at 7:15AM Mar 18, 2024Observed: 4.07 ft at 7:30AM Mar 18, 2024Observed: 4.02 ft at 7:45AM Mar 18, 2024Observed: 3.98 ft at 8:00AM Mar 18, 2024Observed: 3.93 ft at 8:15AM Mar 18, 2024Observed: 3.89 ft at 8:30AM Mar 18, 2024Observed: 3.85 ft at 8:45AM Mar 18, 2024Observed: 3.81 ft at 9:00AM Mar 18, 2024Observed: 3.78 ft at 9:15AM Mar 18, 2024Observed: 3.74 ft at 9:30AM Mar 18, 2024Observed: 3.71 ft at 9:45AM Mar 18, 2024Observed: 3.67 ft at 10:00AM Mar 18, 2024Observed: 3.64 ft at 10:15AM Mar 18, 2024Observed: 3.61 ft at 10:30AM Mar 18, 2024Observed: 3.59 ft at 10:45AM Mar 18, 2024Observed: 3.55 ft at 11:00AM Mar 18, 2024Observed: 3.53 ft at 11:15AM Mar 18, 2024Observed: 3.5 ft at 11:30AM Mar 18, 2024Observed: 3.48 ft at 11:45AM Mar 18, 2024Observed: 3.46 ft at 12:00PM Mar 18, 2024Observed: 3.43 ft at 12:15PM Mar 18, 2024Observed: 3.41 ft at 12:30PM Mar 18, 2024Observed: 3.39 ft at 12:45PM Mar 18, 2024Observed: 3.38 ft at 1:00PM Mar 18, 2024Observed: 3.36 ft at 1:15PM Mar 18, 2024Observed: 3.36 ft at 1:30PM Mar 18, 2024Observed: 3.39 ft at 1:45PM Mar 18, 2024Observed: 3.46 ft at 2:00PM Mar 18, 2024Observed: 3.6 ft at 2:15PM Mar 18, 2024Observed: 3.8 ft at 2:30PM Mar 18, 2024Observed: 4.05 ft at 2:45PM Mar 18, 2024Observed: 4.36 ft at 3:00PM Mar 18, 2024Observed: 4.66 ft at 3:15PM Mar 18, 2024Observed: 4.94 ft at 3:30PM Mar 18, 2024Observed: 5.2 ft at 3:45PM Mar 18, 2024Observed: 5.42 ft at 4:00PM Mar 18, 2024Observed: 5.62 ft at 4:15PM Mar 18, 2024Observed: 5.8 ft at 4:30PM Mar 18, 2024Observed: 5.93 ft at 4:45PM Mar 18, 2024Observed: 6.05 ft at 5:00PM Mar 18, 2024Observed: 6.16 ft at 5:15PM Mar 18, 2024Observed: 6.24 ft at 5:30PM Mar 18, 2024Observed: 6.3 ft at 5:45PM Mar 18, 2024Observed: 6.38 ft at 6:00PM Mar 18, 2024Observed: 6.42 ft at 6:15PM Mar 18, 2024Observed: 6.45 ft at 6:30PM Mar 18, 2024Observed: 6.48 ft at 6:45PM Mar 18, 2024Observed: 6.51 ft at 7:00PM Mar 18, 2024Observed: 6.54 ft at 7:15PM Mar 18, 2024Observed: 6.55 ft at 7:30PM Mar 18, 2024Observed: 6.55 ft at 7:45PM Mar 18, 2024Observed: 6.56 ft at 8:00PM Mar 18, 2024Observed: 6.57 ft at 8:15PM Mar 18, 2024Observed: 6.57 ft at 8:30PM Mar 18, 2024Observed: 6.56 ft at 8:45PM Mar 18, 2024Observed: 6.57 ft at 9:00PM Mar 18, 2024Observed: 6.57 ft at 9:15PM Mar 18, 2024Observed: 6.56 ft at 9:30PM Mar 18, 2024Observed: 6.57 ft at 9:45PM Mar 18, 2024Observed: 6.56 ft at 10:00PM Mar 18, 2024Observed: 6.56 ft at 10:15PM Mar 18, 2024Observed: 6.56 ft at 10:30PM Mar 18, 2024Observed: 6.56 ft at 10:45PM Mar 18, 2024Observed: 6.57 ft at 11:00PM Mar 18, 2024Observed: 6.58 ft at 11:15PM Mar 18, 2024Observed: 6.61 ft at 11:30PM Mar 18, 2024Observed: 6.62 ft at 11:45PM Mar 18, 2024Observed: 6.66 ft at 12:00AM Mar 19, 2024Observed: 6.71 ft at 12:15AM Mar 19, 2024Observed: 6.75 ft at 12:30AM Mar 19, 2024Observed: 6.82 ft at 12:45AM Mar 19, 2024Observed: 6.89 ft at 1:00AM Mar 19, 2024Observed: 6.95 ft at 1:15AM Mar 19, 2024Observed: 7.04 ft at 1:30AM Mar 19, 2024Observed: 7.11 ft at 1:45AM Mar 19, 2024Observed: 7.19 ft at 2:00AM Mar 19, 2024Observed: 7.26 ft at 2:15AM Mar 19, 2024Observed: 7.34 ft at 2:30AM Mar 19, 2024Observed: 7.41 ft at 2:45AM Mar 19, 2024Observed: 7.46 ft at 3:00AM Mar 19, 2024Observed: 7.5 ft at 3:15AM Mar 19, 2024Observed: 7.54 ft at 3:30AM Mar 19, 2024Observed: 7.56 ft at 3:45AM Mar 19, 2024Highest Observation: 7.57 ft at 4:00AM Mar 19, 2024Observed: 7.56 ft at 4:15AM Mar 19, 2024Observed: 7.55 ft at 4:30AM Mar 19, 2024Observed: 7.5 ft at 4:45AM Mar 19, 2024Observed: 7.47 ft at 5:00AM Mar 19, 2024Observed: 7.42 ft at 5:15AM Mar 19, 2024USGS--Water Resources of the United StatesRWLG1(plotting HGIRG) Graph Created (6:04AM Mar 19, 2024)ObservedLatest observed value: 7.42 ft at 5:15 AM EDT 19-Mar-2024. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Chattahoochee River above Roswell are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Highway 141 near Norcross Upstream Gauge Downstream Gauge Downstream Gauge - below Morgan Falls Dam near Roswell
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 13
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 11.96 ft on 09/21/2009
(2) 11.51 ft on 10/11/2020
(3) 9.97 ft on 12/28/2018
(4) 9.94 ft on 09/17/2004
(5) 9.89 ft on 03/17/1990
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.77 ft on 01/04/2023
(2) 9.77 ft on 09/08/2021
(3) 11.51 ft on 10/11/2020
(4) 9.68 ft on 03/25/2020
(5) 9.76 ft on 04/19/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.40 ft on 08/11/1957
(2) 2.50 ft on 08/12/1999
(3) 2.57 ft on 09/27/2016
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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20 Extensive flooding of many homes and businesses will result on Riverside Road. Sections of Riverside Road will be under water.
17 Major flooding begins. The Fulton County Water Pollution Control Facility will flood between 17 and 17.5 feet. Eves Road begins to flood. Numerous homes are flooded along Riverside Road and Old Riverside Road.
14 Moderate flooding expands of yards...walkways...access roads and some homes along portions of Riverside Road...Old Riverside Road and Azalea Drive. The tennis courts at the Huntcliff Club...the swimming pool and lower portions of the club house are flooded. Water is around three feet deep in the horse stables. The water level floods the gage house and automated stage readings are unlikely.
13 Moderate flooding begins. Extensive flooding of yards...walkways...access roads and some homes develop along parts of Riverside Road...Old Riverside Road and Azalea Drive by the river. Water floods the tennis courts at the Huntcliff Club...the swimming pool and lower portions of the club house. Water is four feet deep over the road leading to the horse stables which are flooded with up to two feet of water. The water level is around one half foot below the gage house which may affect the stage readings.
12 Minor flooding expands with water three feet deep in the Ace Sand Company office and a warehouse. Water covers the parking lots of Don White Memorial Park and the Azalea Park. Water floods the tennis courts at the Huntcliff Club and approaches the swimming pool. The water is three feet deep over the road leading to the horse stables which begin to flood. Riverside Road at Northcliff Trace is flooded with one foot of water. These conditions occurred in September 2009.
11 Minor flooding continues with water two feet deep in the Ace Sand Company office and a warehouse. Flooding expands into the parking lots of Don White Memorial Park on Riverside Road...and the Azalea Park on Azalea Drive west of Roswell Road. Water floods the tennis courts at the Huntcliff Club and is two feet deep over the road leading to the horse stables and approaches the north end of the stables. The storm drains stop functioning at Riverside Road and Northcliff Trace and the road begins to flood.
10 Minor flooding continues. The water is one foot deep in the Ace Sand Company office and begins to flood a warehouse. Flooding expands into the parkings lots of Don White Memorial Park on Riverside Road...and the Azalea Park on Azalea Drive west of Roswell Road. Water begins to flood the tennis courts at the Huntcliff Club across from Azalea Park and is one foot deep over the road leading to the horse stables. The storm drains will stop functioning at Riverside Road and Northcliff Trace.
9 Flood stage is reached. The water reaches the bottom of the Ace Sand Company office and begins to flood the parking lot of Don White Memorial Park on Riverside Road...and the parking lot at the Azalea Park on Azalea Drive west of Roswell Road. Water will approach the tennis courts at the Huntcliff Club across from Azalea Park and begin to flood the road leading to the horse stables. The storm drains will no longer function properly at Riverside Road and Northcliff Trace.
8 The river begins to come out of its banks in low lying areas...especially near the Ace Sand Company. The river level reaches the boardwalk and fishing pier at the Don White Memorial Park under Georgia Highway 400...two miles downstream from the gage. It also reaches the top of the boat ramp at the Azalea Park on Azalea Drive west of Georgia Highway 9.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
1000-1500 cfs Advantageous for recreational opportunities and resources supported by the river as it flows through the Chattahoochee River National Recreational Area (from Buford Dam to Peachtree Creek).
1500-2000 cfs Habitat values for trout peak at river flows less than 2,000 cfs.
2000-12000 cfs Habitat values for trout decline as the river flow increases from 2,000 to 12,000.
850-1000 cfs Minimum flow to paddle the 56.2 miles from Buford Dam to Sweetwater Creek (Metro Hooch). Class I to II.
About This Location Collapse

Latitude: 33.985833° N, Longitude: 84.316111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 858.6 ft 867.6 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
USGS 02335500 CHATTAHOOCHEE RIVER NEAR ROSWELL, GA is an older gage location which shows additional peak flows and historical crests prior to 1992. http://nwis.waterdata.usgs.gov/ga/nwis/peak?site_no=02335500&agency_cd=USGS&format=html

Potential River Levels - Used to

Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 Hours.

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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Peachtree City/Atlanta Weather Forecast Office
4 Falcon Drive
Peachtree City, GA 30269
(770) 486-1133
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Page last modified: 2-Nov-2020 7:30 PM
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