Cobbs Creek at Rainbow Drive near Decatur
Flood levels
Official flood levels at this gauge: action stage begins at 9.0 ft; minor flooding begins at 11.0 ft; moderate flooding begins at 17.0 ft; major flooding begins at 20.0 ft.
| Action stage | 9.0 ft |
|---|---|
| Minor flooding | 11.0 ft |
| Moderate flooding | 17.0 ft |
| Major flooding | 20.0 ft |
Highest recorded crests
- 13.3 ft on Oct 11, 2020 (historic crest)
- 12.8 ft on Dec 24, 2015 (historic crest)
- 11.9 ft on Mar 6, 2024 (historic crest)
- 11.8 ft on Sep 27, 2024 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.0 ft | Bankfull conditions are reached along the creek upstream and downstream from the stream gage at Rainbow Drive. Water will begin to flow into low portions of residential yards. |
|---|---|
| 11.0 ft | Flood stage is reached. Minor flooding begins in the residential yards and woodlands along the creek upstream and downstream from the stream gage at Rainbow Drive. Flood waters will be from one to two feet deep in portions of backyards of a few homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. |
| 13.0 ft | Minor flooding continues in the residential yards and woodlands along the creek upstream and downstream from the stream gage at Rainbow Drive. Flood waters will be from 1 to 4 feet deep in portions of backyards of a few homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. |
| 15.0 ft | Minor flooding continues to expand into the residential yards and woodlands along the creek upstream and downstream from the stream gage at Rainbow Drive. Flood waters will be up to 6 feet deep in portions of backyards of several homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. |
| 17.0 ft | Moderate flooding begins. Significant flooding occurs in the residential yards and woodlands along the creek upstream and downstream from the gage at Rainbow Drive. The water level will be near the bottom of the bridge. Flood waters will be up to 8 feet deep in portions of backyards of several homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. |
| 19.0 ft | Significant flooding continues to expand into the residential yards and woodlands along the creek upstream and downstream from Rainbow Drive. The water level will be hitting the bridge and begin to flood the road. County officials will likely close the bridge. Flood waters will be up to 10 feet deep in portions of backyards of several homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. The water level will reach the foundations of some of the homes. |
| 20.0 ft | Major flooding begins with widespread inundation of the residential yards and woodlands along the creek upstream and downstream from Rainbow Drive. The flood waters will top the bridge and be around one foot deep over the road. County officials will close the bridge. The water will be up to 12 feet deep in portions of backyards of several homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. Some of the homes will begin to flood. |
| 22.0 ft | Widespread inundation flooding occurs in the residential yards and woodlands along the creek upstream and downstream from Rainbow Drive. The flood waters will be 2 to 3 feet over the bridge and road. County officials will have the road closed. The water will be up to 14 feet deep in portions of backyards of several homes off Kings Park Circle...Rainover Drive...Rainshower Drive and Calumet Road. Several of the homes will be flooded with 1 to 3 feet of water. The water level will enter the USGS gage house. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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