Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Peachtree City/Atlanta, GA

Southeast River Forecast Center

Hydrograph

River at a Glance

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NOTE: Automated gauge readings are now available, courtesy of the USGS. NOTE: Forecasts are not available for the Line Creek at Highway 85 near Senoia. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Flood Categories (in feet) Major Flood Stage: 20 Moderate Flood Stage: 15 Flood Stage: 10 Action Stage: 8 Low Stage (in feet): 0 Historic Crests (1) 20.10 ft on 07/05/1994 (2) 16.80 ft on 07/12/2005 (3) 14.88 ft on 11/05/1977 (4) 14.31 ft on 03/01/1997 (5) 14.02 ft on 02/11/1995 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 10.57 ft on 04/07/2022 (2) 12.05 ft on 12/31/2021 (3) 11.11 ft on 10/11/2020 (4) 10.49 ft on 09/17/2020 (5) 10.65 ft on 04/20/2020 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 0.95 ft on 10/19/2007 (2) 1.05 ft on 09/11/2007 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

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21	Major flooding continues. The water level reaches the bottom of the Georgia Highway 85 bridge. Water begins to cover Georgia Highway 85 just south of the bridge. Extensive flooding continues into the surrounding areas.
20	Major flooding begins. Extensive flooding continues to expand into the surrounding areas. The historical record crest is almost reached.
17	Moderate flooding continues. The water level reaches the bottom of the bridge supports on Georgia Highway 85. Flooding continues to expand into the agricultural and wooded areas near the creek.
15	Moderate flooding begins. Flooding continues to expand into the agricultural and wooded areas upstream and downstream from the bridge on Georgia Highway 85.
13.5	Minor flooding of the natural flood plain expands further into agricultural and wooded areas. The water level reaches the bottom of the USGS gage house.
10	Minor flooding of the natural flood plain begins which primarily affects agricultural and wooded areas. A small dirt utility access road near the Georgia Highway 85 bridge goes underwater.
8	Bankfull is reached upstream and downstream from the stream gage at the Georgia Highway 85 bridge.

About This Location

Latitude: 33.319167° N, Longitude: 84.522222° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 10 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 Not Available Not Available 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 729.27 ft 739.27 ft   Current/Historical Observations: Corps of Engineers (COE) Info for Highway 85 near Senoia U.S. Geological Survey (USGS) Data and Site Info for Highway 85 near Senoia

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations Spring Flood Outlook USGS Georgia

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management WFO FFC Additional Links Google Earth Gage Locations Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities