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Weather Forecast Office Peachtree City/Atlanta, GA

Southeast River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EDT) Datum: NAVD88 Metadata

NOTE: Automated gauge readings are now available, courtesy of the USGS. NOTE: Forecasts are not available for the Sweetwater Creek at Brownsville Road near Powder Springs. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 25 Moderate Flood Stage: 20 Flood Stage: 13 Action Stage: 10 Low Stage (in feet): -9999 Historic Crests (1) 31.45 ft on 09/21/2009 (2) 15.35 ft on 11/11/2009 (3) 14.56 ft on 05/05/2021 (4) 14.44 ft on 10/12/2018 (5) 13.91 ft on 01/10/2024 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 13.74 ft on 01/26/2024 (2) 13.91 ft on 01/10/2024 (3) 13.66 ft on 12/31/2021 (4) 14.56 ft on 05/05/2021 (5) 13.33 ft on 02/07/2020 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. 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

If you notice any errors in the below information, please contact our Webmaster
32	Record flooding causes widespread inundation of the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around 10 feet deep over portions of the road and will have topped the bridge with 4 feet of water. The water level will be around 3 feet deep in a house on the downstream and right bank of the creek. The USGS gage house will be under water. This flooding will be worse than September 2009.
31	Near record flooding expands further with widespread inundation of the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around 9 feet deep over portions of the road and will have topped the bridge with 3 feet of water. The water level will be around two feet deep in a house on the downstream and right bank of the creek. The USGS gage house will be under water. This flooding will be similar to the September 2009 major flood event.
29	Major flooding expands with widespread inundation of the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around 7 feet deep over portions of the road and will have topped the bridge with one foot of water. The water level will reach the floor level of a house on the downstream and right bank of the creek and inundate the USGS gage house. This will likely affect the data transmission.
28	Major flooding continues with widespread inundation of the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around 6 feet deep over portions of the road just northeast of the bridge. The bridge will be topped with the water level reaching the crawl space of a house on the downstream and right bank of the creek. The water level will also be close to the bottom of the USGS gage house which may affect the data transmission.
25	Major flooding begins. Widespread inundation flooding occurs in the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around 3 feet deep over portions of the road just northeast of the bridge. The water level will likely cause extensive erosion to the banks as the water flow hits the bridge. County officials will have the road and bridge closed.
24	Significant flooding expands much further into the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will be around two feet deep over portions of the road just northeast of the bridge. The water level will likely cause extensive erosion to the banks as the water flow hits the bridge. County officials will have the road and bridge closed.
22	Significant flooding continues to expand further into the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. Flood waters will begin to flow over portions of the road just northeast of the bridge. Also the water level will likely cause extensive erosion to the banks as the water flow hits the bridge. County officials will likely close the road and bridge.
21	Significant flooding expands further into the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. The water level will likely cause extensive erosion to the banks as the water flow hits the bridge. County officials may close the bridge.
20	Moderate flooding begins. Significant flooding will expand into the woodlands...fields and pastures upstream and downstream from the gage at Brownsville Road. The water level will be close to the bottom of the bridge.
18	Minor flooding continues to expand further into the woodlands...fields and pastures along the creek upstream and downstream from the gage at Brownsville Road.
15	Minor flooding continues in the woodlands...fields and pastures along the creek upstream and downstream from the gage at Brownsville Road.
13	Flood stage is reached. Minor flooding will occur in the woodlands...fields and pastures of the natural flood plain upstream and downstream from the gage at Brownsville Road.
10	Bankfull conditions are reached along the creek upstream and downstream from the gage at Brownsville Road.

About This Location

Latitude: 33.827222° N, Longitude: 84.719861° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 13 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 886.57 ft 899.57 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: U.S. Geological Survey (USGS) Data and Site Info for Brownsville Road near Powder Springs

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