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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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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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 Little Tallapoosa River at US 27 at Carrollton. Only observed stages are available for this point.

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Flood Categories (in feet) Major Flood Stage: 24 Moderate Flood Stage: 21 Flood Stage: 18 Action Stage: 16 Low Stage (in feet): 0 Historic Crests (1) 19.30 ft on 11/29/1948 (2) 17.05 ft on 09/21/2009 (3) 15.90 ft on 01/20/1947 (4) 15.30 ft on 12/21/1951 (5) 14.70 ft on 07/14/1945 (P): Preliminary values subject to further review. Recent Crests (1) 17.05 ft on 09/21/2009 (2) 15.30 ft on 12/21/1951 (3) 19.30 ft on 11/29/1948 (4) 15.90 ft on 01/20/1947 (5) 14.70 ft on 07/14/1945 (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

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24	Major flooding begins. Widespread inundation flooding occurs upstream and downstream from North Park Street. Flood waters are 3 feet deep over the road. Portions of the property around a sewage treatment plant will be flooded with up to 6 feet of water. Numerous businesses and homes in Carrollton will be flooded. Portions of the University West Georgia campus will be under 4 feet of water. The water level will flood the USGS gage house. A data transmission loss will be likely.
22	Significant flooding expands into the woodlands and fields upstream and downstream from North Park Street. Flood waters are one foot deep over the road. Portions of the property around a sewage treatment plant will be flooded with up to 4 feet of water. A parking lot of a shopping center near the gage and portions of the University West Georgia campus near the river will be under two feet of water. The water level will reach the bottom of the USGS gage house. A data transmission loss will be possible.
21	Moderate flooding begins. Significant flooding occurs in the woodlands and fields upstream and downstream from the gage on North Park Street. Flood waters begin to cover the road and county officials will have it closed. Portions of the property around a sewage treatment plant near the gage will be flooded with up to 3 feet of water. A parking lot of a shopping center just north of the gage and low lying areas on the University West Georgia campus near the river will be under a foot of water.
20	Minor flooding continues in the woodlands and fields upstream and downstream from the gage on North Park Street. The water level will be hitting the bridge which may cause some erosion. County officials may need to close it. Portions of the property around a sewage treatment plant near the gage will be flooded with up to two feet of water. A parking lot of a shopping center just north of the gage and low lying areas on the University West Georgia campus near the river will begin to flood.
18	Flood stage is reached. Minor flooding begins in the woodlands and fields along the river upstream and downstream from the gage on North Park Street or U.S. Highway 27. The water level approaches the bottom of the bridge. Low portions of the property around a sewage treatment plant near the gage will begin to flood.
16	Bankfull conditions occur along the river upstream and downstream from the gage on North Park Street or U.S. Highway 27.

About This Location

Latitude: 33.596806° N, Longitude: 85.079417° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 18 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 975.38 ft 993.38 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 US 27 at Carrollton

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