National Weather Service Advanced Hydrologic Prediction Service

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar-FFC
    Radar-JGX
    Radar-HTX

AHPS Documentation
User Guide
User Brochure

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

Weather Forecast Office Peachtree City/Atlanta, GA

Southeast River Forecast Center

Hydrograph

River at a Glance

Download

Chattahoochee River at Vinings Cobb Parkway

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 Chattahoochee River at Vinings Cobb Parkway. Only observed stages are available for this point.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	20
Moderate Flood Stage:	18
Flood Stage:	14
Action Stage:	12
Low Stage (in feet):	-9999

Historic Crests
(1) 28.59 ft on 09/22/2009
(2) 23.65 ft on 03/17/1990
(3) 22.99 ft on 04/13/1979
(4) 20.50 ft on 10/11/2020
(5) 19.77 ft on 11/11/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.50 ft on 10/11/2020
(2) 17.14 ft on 09/17/2020
(3) 14.65 ft on 03/25/2020
(4) 16.10 ft on 02/07/2020
(5) 18.62 ft on 04/19/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.51 ft on 01/27/2009
(2) 4.13 ft on 09/15/2016
(3) 4.22 ft on 06/09/2008
Show More Low Water Records

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

Show FEMA's National Flood Hazard Layers

Zoom Level:16

	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
29	Record flooding occurs with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 14 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 11 feet of water. The restrooms at the recreation area will be flooded 9 feet deep with only the roof exposed. This will be worse than the September 2009 flood event.
28	Major flooding expands with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 13 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 10 feet of water. The restrooms at the recreation area will be flooded 8 feet deep with only the roof exposed. This will be similar to the September 2009 flood event.
26	Major flooding expands with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 11 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 8 feet of water. The restrooms at the recreation area will be flooded 6 feet deep.
24	Major flooding continues with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 9 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 6 feet of water. The restrooms at the recreation area will be flooded 4 feet deep.
22	Major flooding continues with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 7 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 4 feet of water. The restrooms at the recreation area will be flooded two feet deep.
20	Major flooding begins. Widespread inundation flooding occurs in the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 5 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under two feet of water. The restrooms at the recreation area will begin to flood.
18	Moderate flooding begins. Significant flooding occurs in the woodlands and affects large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 3 feet deep over portions of the access road to the recreation area. Portions of the parking lot will begin to flood.
16	Minor flooding expands in the woodlands and affects large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around one foot deep over portions of the access road to the recreation area.
14	Flood stage is reached. Minor flooding occurs in the woodlands and portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will reach the top of the concrete boat ramp in the recreation area.
12	Bankfull conditions occur in the woodlands and low lying portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway.

About This Location

Latitude: 33.868056° N, Longitude: 84.453889° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	14 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	750.3 ft	764.3 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 Vinings Cobb Parkway

Resources

Hydrologic Resources

Additional Resources

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