Alert archive / Georgia / River Flood Warnings in 2020
River Flood Warning 430, NWS Atlanta, GA
NWS Atlanta, GA issued this river flood warning at Oct 11, 2020, 2:53 AM EDT for Cobb County, Fulton County, Georgia. It was in force for 19 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 11, 2020, 2:53 AM EDT (06:53 UTC)
- Expired
- Oct 11, 2020, 9:35 PM EDT
- In force
- 19 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Cobb County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 67 km from the middle of the area, began a volume at 06:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Chattahoochee River below Morgan Falls Dam near Roswell (MGFG1). The gauge peaked at 823.57 ft at Oct 11, 2020, 6:00 AM EDT.
- Action stage
- 819 ft
- Minor stage
- 821 ft
- Moderate stage
- 823 ft
- Major stage
- 826 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02335815, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
461 WGUS42 KFFC 110653 FLWFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Peachtree City GA 253 AM EDT Sun Oct 11 2020 ...The National Weather Service in Peachtree City GA has issued a Flood Warning for the following rivers in Georgia... Chattahoochee River near Morgan Falls Dam TW affecting Fulton and Cobb Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/atlanta. GAC067-121-111900- /O.NEW.KFFC.FL.W.0430.201011T0653Z-000000T0000Z/ /MGFG1.1.ER.201011T0622Z.201011T0630Z.000000T0000Z.NO/ 253 AM EDT Sun Oct 11 2020 The National Weather Service in Peachtree City has issued a * Flood Warning for the Chattahoochee River near Morgan Falls Dam TW. * From early this morning until further notice. * At 2:30 AM EDT Sunday the stage was 821.1 feet. * Flood stage is 821 feet. * Minor flooding is occurring. * Forecast...No forecast is available for this location. * Impacts...At 821 ft, Flood stage is reached. Minor flooding of residential yards occurs downstream from the gage at Morgan Falls Dam. This will affect homes on Columns Drive in Cobb County and the water will reach the bottom of the bridge over Sope Creek. Minor flooding will also affect the yards of homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Portions of the Chattahoochee River National Recreation Area will have minor flooding. && LAT...LON 3398 8441 3396 8435 3391 8440 3393 8447 $$
3 follow-up statements
022 WGUS42 KFFC 110853 FLWFFC URGENT - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Peachtree City GA 453 AM EDT Sun Oct 11 2020 ...Observed flooding changed from Minor to Moderate severity for the following rivers in Georgia... Chattahoochee River near Morgan Falls Dam TW affecting Fulton and Cobb Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/atlanta. GAC067-121-112100- /O.CON.KFFC.FL.W.0430.000000T0000Z-000000T0000Z/ /MGFG1.2.ER.201011T0622Z.201011T0832Z.000000T0000Z.NO/ 453 AM EDT Sun Oct 11 2020 ...Observed flooding increased from Minor to Moderate severity... The Flood Warning continues for the Chattahoochee River near Morgan Falls Dam TW. * Until further notice. * At 4:32 AM EDT Sunday the stage was 823.3 feet. * Flood stage is 821 feet. * Moderate flooding is occurring. * Forecast...No forecast is available for this location. * Impacts...At this level, Moderate flooding begins and expands further into the residential yards downstream from the gage at Morgan Falls Dam. This affects homes on Columns Drive in Cobb County and the water will begin to cover the road near Sope Creek. The water will begin to reach the foundations of homes on Edgewater Drive...Ferry Landing...River Chase Circle...River Glen Trace and Winterthur Drive in Fulton County. Large portions of the Chattahoochee River National Recreation Area will be under a few feet of water. && LAT...LON 3398 8441 3396 8435 3391 8440 3393 8447 $$
439
WGUS82 KFFC 111522
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
1122 AM EDT Sun Oct 11 2020
...The Flood Warning is extended for the following rivers in
Georgia...
Yellow River near East Lithonia affecting DeKalb and Rockdale
Counties.
...The Flood Warning continues for the following rivers in Georgia...
Little River near Woodstock affecting Cherokee County.
Chattahoochee River near Morgan Falls Dam TW affecting Fulton and
Cobb Counties.
Line Creek near Senoia affecting Coweta, Fayette and Spalding
Counties.
South River near Snapfinger affecting DeKalb County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
GAC089-247-120330-
/O.EXT.KFFC.FL.W.0435.000000T0000Z-201012T2230Z/
/YLOG1.1.ER.201011T1528Z.201012T0600Z.201012T1630Z.UU/
1122 AM EDT Sun Oct 11 2020
...The Flood Warning is now in effect until Monday evening...
The Flood Warning continues for
the Yellow River near East Lithonia.
* Until Monday evening.
* At 11:01 AM EDT Sunday the stage was 12.8 feet and rising.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this morning to a crest of 16.7 feet just after midnight tonight.
It will then fall below flood stage early Monday afternoon.
* Impact...At 17.0 feet, Moderate flooding begins. Significant
flooding expands into the woodlands and fields near the river
upstream and downstream from the gage on Pleasant Hill Road. In
Dekalb County...some flooding of backyards of homes occurs on
Harmony Hills Drive and Court. Johnson Creek flowing under Union
Grove Road into the river continues to back up. In Rockdale
County...some flooding of yards begins in the Lake Capri
subdivision.
&&
LAT...LON 3377 8409 3377 8402 3372 8399 3367 8403
$$
GAC077-113-255-120330-
/O.CON.KFFC.FL.W.0436.000000T0000Z-000000T0000Z/
/LING1.1.ER.201011T1019Z.201011T1501Z.000000T0000Z.NO/
1122 AM EDT Sun Oct 11 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Line Creek near Senoia.
* Until further notice.
* At 11:01 AM EDT Sunday the stage was 11.1 feet and rising.
* Flood stage is 10.0 feet.
* Minor flooding is occurring.
* Forecast...No forecast is available for this location.
* Impact...At 10.0 feet, Minor flooding of the natural flood plain
begins which primarily affects agricultural and wooded areas. A
small dirt utility access road near the Georgia Highway 85 bridge
goes underwater.
&&
LAT...LON 3332 8456 3336 8448 3326 8447 3325 8455
$$
GAC057-120330-
/O.CON.KFFC.FL.W.0433.000000T0000Z-000000T0000Z/
/WODG1.1.ER.201011T0741Z.201011T1100Z.000000T0000Z.NO/
1122 AM EDT Sun Oct 11 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Little River near Woodstock.
* Until further notice.
* At 10:15 AM EDT Sunday the stage was 11.8 feet falling.
* Flood stage is 11.0 feet.
* Minor flooding is occurring.
* Forecast...No forecast is available for this location.
* Impact...At 11.0 feet, Flood stage is reached. Minor flooding will
occur in the woodlands and fields upstream and downstream from the
gage at Old Georgia Highway 5. A public boat ramp just downstream
and on the right bank from the bridge will be under one foot of
water. Low lying areas of the South Cherokee Recreation Park and
the soccer fields off Druw Cameron Drive will begin to flood.
&&
LAT...LON 3415 8438 3410 8434 3407 8448 3414 8461
3418 8456 3414 8447
$$
GAC089-120330-
/O.CON.KFFC.FL.W.0432.000000T0000Z-000000T0000Z/
/SFMG1.1.ER.201011T0634Z.201011T1146Z.000000T0000Z.NO/
1122 AM EDT Sun Oct 11 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the South River near Snapfinger.
* Until further notice.
* At 11:02 AM EDT Sunday the stage was 15.8 feet and falling.
* Flood stage is 13.0 feet.
* Minor flooding is occurring.
* Forecast...No forecast is available for this location.
* Impact...At 15.0 feet, Minor flooding continues to expand further
into the woodlands along the river upstream and downstream from
the gage on Flakes Mill Road. Large portions of the Chapel Park
west of the gage will be under 2 to 3 feet of water.
&&
LAT...LON 3365 8427 3371 8427 3367 8415 3362 8419
$$
GAC067-121-120330-
/O.CON.KFFC.FL.W.0430.000000T0000Z-000000T0000Z/
/MGFG1.2.ER.201011T0622Z.201011T1231Z.000000T0000Z.NO/
1122 AM EDT Sun Oct 11 2020
...The Flood Warning remains in effect...
The Flood Warning continues for
the Chattahoochee River near Morgan Falls Dam TW.
* Until further notice.
* At 11:01 AM EDT Sunday the stage was 823.5 feet.
* Flood stage is 821.0 feet.
* Moderate flooding is occurring.
* Forecast...No forecast is available for this location.
&&
LAT...LON 3398 8441 3396 8435 3391 8440 3393 8447
$$053 WGUS82 KFFC 120135 FLSFFC Flood Statement National Weather Service Peachtree City GA 935 PM EDT Sun Oct 11 2020 ...The Flood Warning is cancelled for the following rivers in Georgia... Chattahoochee River near Morgan Falls Dam TW affecting Fulton and Cobb Counties. GAC067-121-120245- /O.CAN.KFFC.FL.W.0430.000000T0000Z-201012T0135Z/ /MGFG1.2.ER.700119T1306Z.700119T1306Z.700119T1307Z.NO/ 935 PM EDT Sun Oct 11 2020 ...The Flood Warning for the Chattahoochee River near Morgan Falls Dam TW has been cancelled... The Flood Warning is cancelled for the Chattahoochee River near Morgan Falls Dam TW. * At 9:15 PM EDT Sunday the stage was 820.2 feet. * Flood stage is 821 feet. * Forecast...No forecast is available for this location. && LAT...LON 3398 8441 3396 8435 3391 8440 3393 8447 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 8:00 PM EDT | Special Weather Statement | FFC | Fulton | 30 min |
| Oct 10, 8:06 PM EDT | Tornado Warning | FFC | DeKalb | 24 min |
| Oct 10, 8:33 PM EDT | Tornado Warning | FFC | DeKalb, Gwinnett | 27 min |
| Oct 10, 8:36 PM EDT | Special Weather Statement | FFC | Rockdale | 24 min |
| Oct 10, 8:55 PM EDT | Flash Flood Warning | FFC | Clayton, Cobb, DeKalb, Fulton | 6 hr |
| Oct 10, 8:59 PM EDT | Special Weather Statement | FFC | Clayton | 31 min |
| Oct 10, 9:32 PM EDT | River Flood Warning | FFC | DeKalb | 7 hr |
| Oct 10, 9:44 PM EDT | River Flood Warning | FFC | Fulton | 4 hr |
| Oct 10, 9:46 PM EDT | Special Weather Statement | FFC | Barrow | 29 min |
| Oct 10, 9:53 PM EDT | Special Weather Statement | FFC | Clayton | 37 min |
| Oct 10, 10:03 PM EDT | Flash Flood Warning | FFC | Clayton, DeKalb, Forsyth, Fulton, Gwinnett, Henry and 1 more | 6 hr |
| Oct 10, 10:05 PM EDT | River Flood Warning | FFC | Cobb | 6 hr |
| Oct 10, 10:08 PM EDT | River Flood Warning | FFC | DeKalb | 21 days |
| Oct 10, 10:12 PM EDT | River Flood Warning | FFC | DeKalb, Fulton | 21 days |
| Oct 10, 10:13 PM EDT | River Flood Warning | FFC | DeKalb, Fulton | 32 hr |
| Oct 10, 10:15 PM EDT | River Flood Warning | FFC | DeKalb | 4 hr |
| Oct 10, 10:18 PM EDT | River Flood Warning | FFC | Fulton, Gwinnett | 12 hr |
| Oct 10, 10:23 PM EDT | River Flood Warning | FFC | Forsyth, Fulton | 50 hr |
| Oct 10, 10:25 PM EDT | River Flood Warning | FFC | Fulton | 60 min |
| Oct 10, 10:28 PM EDT | River Flood Warning | FFC | DeKalb, Fulton | 7 hr |
| Oct 10, 10:36 PM EDT | Flash Flood Warning | FFC | Banks, Barrow, Dawson, Forsyth, Gwinnett, Hall and 2 more | 6 hr |
| Oct 10, 10:43 PM EDT | River Flood Warning | FFC | DeKalb | 2 hr |
| Oct 10, 10:54 PM EDT | River Flood Warning | FFC | DeKalb, Fulton | 4 hr |
| Oct 10, 10:56 PM EDT | River Flood Warning | FFC | Cobb, Fulton | 28 hr |
| Oct 10, 10:58 PM EDT | River Flood Warning | FFC | Cobb, Fulton | 24 hr |
| Oct 10, 10:58 PM EDT | River Flood Warning | FFC | DeKalb | 3 hr |
| Oct 10, 11:01 PM EDT | River Flood Warning | FFC | Fulton | 20 hr |
| Oct 10, 11:06 PM EDT | River Flood Warning | FFC | DeKalb | 2 hr |
| Oct 10, 11:12 PM EDT | River Flood Warning | FFC | Cobb, Fulton | 26 hr |
| Oct 10, 11:23 PM EDT | River Flood Warning | FFC | Forsyth | 5 hr |
| Oct 10, 11:26 PM EDT | River Flood Warning | FFC | Gwinnett | 23 hr |
| Oct 10, 11:31 PM EDT | River Flood Warning | FFC | Carroll, Coweta, Heard | 45 hr |
| Oct 10, 11:39 PM EDT | River Flood Warning | FFC | Gwinnett | 3 hr |
| Oct 10, 11:40 PM EDT | River Flood Warning | FFC | Gwinnett | 4 hr |
| Oct 11, 12:03 AM EDT | River Flood Warning | FFC | Gwinnett | 21 days |
| Oct 11, 12:16 AM EDT | River Flood Warning | FFC | Fulton, Gwinnett | 25 hr |
| Oct 11, 12:19 AM EDT | River Flood Warning | FFC | Fulton | 16 hr |
| Oct 11, 12:20 AM EDT | River Flood Warning | FFC | Forsyth | 20 hr |
| Oct 11, 12:22 AM EDT | River Flood Warning | FFC | Dawson, Forsyth | 15 hr |
| Oct 11, 12:23 AM EDT | River Flood Warning | FFC | DeKalb | 4 hr |
| Oct 11, 12:47 AM EDT | Special Weather Statement | FFC | White | 58 min |
| Oct 11, 1:05 AM EDT | River Flood Warning | FFC | Fulton | 21 days |
| Oct 11, 1:25 AM EDT | River Flood Warning | FFC | Cobb | 116 min |
| Oct 11, 1:41 AM EDT | River Flood Warning | FFC | Dawson | 9 hr |
| Oct 11, 1:51 AM EDT | Flash Flood Warning | FFC | White | 6 hr |
| Oct 11, 2:01 AM EDT | River Flood Warning | FFC | Coweta | 24 min |
| Oct 11, 2:06 AM EDT | River Flood Warning | FFC | Hall, White | 21 days |
| Oct 11, 2:19 AM EDT | River Flood Warning | FFC | Fulton | 21 days |
| Oct 11, 2:22 AM EDT | River Flood Warning | FFC | Gwinnett, Walton | 21 days |
| Oct 11, 2:57 AM EDT | River Flood Warning | FFC | DeKalb, Fulton | 2 hr |
| Oct 11, 3:01 AM EDT | River Flood Warning | FFC | DeKalb | 12 hr |
| Oct 11, 3:07 AM EDT | Areal Flood Warning | FFC | Banks, Barrow, Cherokee, Clayton, Cobb, Dawson and 11 more | 3 hr |
| Oct 11, 4:34 AM EDT | River Flood Warning | FFC | Cherokee | 12 hr |
| Oct 11, 4:37 AM EDT | River Flood Warning | FFC | DeKalb | 21 days |
| Oct 11, 6:42 AM EDT | River Flood Warning | FFC | DeKalb, Rockdale | 30 hr |
| Oct 11, 7:03 AM EDT | River Flood Warning | FFC | Coweta, Fayette, Spalding | 18 hr |
| Oct 11, 11:25 AM EDT | River Flood Warning | FFC | Cobb | 10 hr |
| Oct 11, 3:10 PM EDT | River Flood Warning | FFC | Clayton, Fayette, Spalding | 18 hr |
| Oct 11, 3:10 PM EDT | River Flood Warning | FFC | Cherokee | 14 hr |
| Oct 11, 3:10 PM EDT | River Flood Warning | FFC | DeKalb, Rockdale | 2 hr |
| Oct 11, 3:10 PM EDT | River Flood Warning | FFC | Barrow, Jackson | 15 hr |
| Oct 11, 3:10 PM EDT | River Flood Warning | FFC | Newton, Rockdale | 33 hr |
| Oct 11, 7:07 PM EDT | River Flood Warning | FFC | Fayette, Spalding | 39 hr |
| Oct 11, 7:12 PM EDT | River Flood Warning | FFC | Fulton | 18 hr |
| Oct 11, 7:29 PM EDT | River Flood Warning | FFC | DeKalb, Gwinnett | 8 hr |
Nearby
River Flood Warnings in Georgia, 2020Every river flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.