Alert archive / Georgia / River Flood Warnings in 2021
River Flood Warning 159, NWS Atlanta, GA
NWS Atlanta, GA issued this river flood warning at Sep 8, 2021, 12:55 AM EDT for Forsyth County, Fulton County, Georgia. It was in force for 38 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2021, 12:55 AM EDT (04:55 UTC)
- Expired
- Sep 9, 2021, 3:23 PM EDT
- In force
- 38 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Forsyth County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 83 km from the middle of the area, began a volume at 04:56 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 Big Creek near Alpharetta (APHG1). The gauge peaked at 9.56 ft at Sep 8, 2021, 4:00 AM EDT.
- Action stage
- 6 ft
- Minor stage
- 7 ft
- Moderate stage
- 11 ft
- Major stage
- 13 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02335700, 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.
704
WGUS42 KFFC 080455
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1255 AM EDT Wed Sep 8 2021
...The National Weather Service in Peachtree City GA has issued a
Flood Warning for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-081700-
/O.NEW.KFFC.FL.W.0159.210908T0455Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0445Z.000000T0000Z.NO/
1255 AM EDT Wed Sep 8 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Big Creek near Alpharetta.
* From early this morning until further notice.
* At 12:45 AM EDT Wednesday the stage was 7.2 feet.
* Flood stage is 7 feet.
* Minor flooding is occurring.
* Forecast...Minor flooding is forecast until further notice.
* Impact...At 7 feet, Flood Stage is reached. Minor flooding of
woodlands and fields begin along the creek between Cumming in
Forsyth County...to Alpharetta and Roswell in North Fulton
County. Flooding starts to effect portions of The Big Creek
Greenway near Alpharetta and some portions may become closed with
around one foot of water...especially upstream and downstream from
the gage on Kimball Bridge Road and near Rock Mill Park. Portions
of the YMCA Campground off Preston Ridge Road will begin to flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$6 follow-up statements
315
WGUS82 KFFC 081037
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
637 AM EDT Wed Sep 8 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-082245-
/O.CON.KFFC.FL.W.0159.000000T0000Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.000000T0000Z.NO/
637 AM EDT Wed Sep 8 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until further notice.
* At 6:30 AM EDT Wednesday the stage was 9.1 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...No forecast is available for this location.
* Impact...At 9.0 feet, Minor flooding expands along the creek from
near Cumming to Alpharetta and Roswell. Backyards of homes off
Seale Drive and Gunter Court and portions of the Golf of Georgia
begin to flood. The Big Creek Greenway experiences significant
flooding up to 3 feet deep...which results in closure of most of
the paths. This especially occurs upstream and downstream from the
gage on Kimball Bridge Road and Rock Mill Park. A large portion of
the YMCA Campground off Preston Ridge Road will be under a foot of
water.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$953
WGUS82 KFFC 081800
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
200 PM EDT Wed Sep 8 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-090600-
/O.CON.KFFC.FL.W.0159.000000T0000Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.000000T0000Z.NO/
200 PM EDT Wed Sep 8 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until further notice.
* At 1:45 PM EDT Wednesday the stage was 8.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...The creek will fall below flood stage early Thursday
morning.
* Impact...At 8.0 feet, Minor flooding continues to expand further
into the woodlands and fields along the creek from near Cumming in
south Forsyth County to Alpharetta and Roswell in north Fulton
County. Additional portions of The Big Creek Greenway have minor
flooding with 1 to 2 feet of water. Most of the walking and biking
paths will be closed, especially upstream and downstream from the
gage on Kimball Bridge Road and near Rock Mill Park. Portions of
the YMCA Campground off Preston Ridge Road will flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$774
WGUS82 KFFC 090059
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
859 PM EDT Wed Sep 8 2021
...Forecast flooding changed to Minor severity for the following
rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-091300-
/O.CON.KFFC.FL.W.0159.000000T0000Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.210909T1520Z.NO/
859 PM EDT Wed Sep 8 2021
...Forecast flooding changed to Minor severity...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until further notice.
* At 8:45 PM EDT Wednesday the stage was 8.5 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late
tomorrow morning and continue falling to 1.9 feet Monday evening.
* Impact...At 8.5 feet, Minor flooding continues to expand further
into the woodlands and fields along the creek from near Cumming in
south Forsyth County to Alpharetta and Roswell in north Fulton
County. Additional portions of The Big Creek Greenway have minor
flooding with 1 to 2 feet of water. Most of the walking and biking
paths will be closed...especially upstream and downstream from the
gage on Kimball Bridge Road and near Rock Mill Park. Portions of
the YMCA Campground off Preston Ridge Road will flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$801
WGUS82 KFFC 091044
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
644 AM EDT Thu Sep 9 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-092245-
/O.CON.KFFC.FL.W.0159.000000T0000Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.210910T0400Z.NO/
644 AM EDT Thu Sep 9 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until further notice.
* At 6:30 AM EDT Thursday the stage was 8.9 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage just
after midnight tonight and continue falling to 2.5 feet early
Tuesday morning.
* Impact...At 9.0 feet, Minor flooding expands along the creek from
near Cumming to Alpharetta and Roswell. Backyards of homes off
Seale Drive and Gunter Court and portions of the Golf of Georgia
begin to flood. The Big Creek Greenway experiences significant
flooding up to 3 feet deep...which results in closure of most of
the paths. This especially occurs upstream and downstream from the
gage on Kimball Bridge Road and Rock Mill Park. A large portion of
the YMCA Campground off Preston Ridge Road will be under a foot of
water.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$255
WGUS82 KFFC 091430
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
1030 AM EDT Thu Sep 9 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-100230-
/O.CON.KFFC.FL.W.0159.000000T0000Z-000000T0000Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.210910T0400Z.NO/
1030 AM EDT Thu Sep 9 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until further notice.
* At 10:15 AM EDT Thursday the stage was 8.3 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...The river is expected to fall below flood stage around
11 PM tonight and continue falling to 2.6 feet early Sunday
morning.
* Impact...At 8.0 feet, Minor flooding expands further into the
woodlands and fields along the creek from near Cumming in south
Forsyth County to Alpharetta and Roswell in north Fulton County.
Additional portions of The Big Creek Greenway have minor flooding
with 1 to 2 feet of water. Most of the walking and biking paths
will be closed, especially upstream and downstream from the gage
on Kimball Bridge Road and near Rock Mill Park. Portions of the
YMCA Campground off Preston Ridge Road will flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$046
WGUS82 KFFC 091923
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
323 PM EDT Thu Sep 9 2021
...The Flood Warning is cancelled for the following rivers in
Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
GAC117-121-092030-
/O.CAN.KFFC.FL.W.0159.000000T0000Z-210909T1923Z/
/APHG1.1.ER.210908T0440Z.210908T0730Z.210909T1854Z.NO/
323 PM EDT Thu Sep 9 2021
...The Flood Warning for the Big Creek near Alpharetta has been
cancelled...
The Flood Warning is cancelled for
the Big Creek near Alpharetta.
* At 3:15 PM EDT Thursday the stage was 6.9 feet, and falling.
* Flood stage is 7 feet.
* Forecast...The river is expected to fall to 1.9 feet by Tuesday
afternoon.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 8:20 PM EDT | Special Weather Statement | FFC | Coweta, Heard | 25 min |
| Sep 7, 8:34 PM EDT | Special Weather Statement | FFC | Troup | 26 min |
| Sep 7, 8:36 PM EDT | Special Weather Statement | FFC | Polk | 39 min |
| Sep 7, 9:11 PM EDT | Flash Flood Warning | FFC | Haralson, Polk | 6 hr |
| Sep 7, 9:23 PM EDT | Special Weather Statement | FFC | Meriwether, Pike | 52 min |
| Sep 7, 10:02 PM EDT | Special Weather Statement | FFC | Coweta, Fayette | 43 min |
| Sep 7, 10:38 PM EDT | Special Weather Statement | FFC | Forsyth | 52 min |
| Sep 7, 10:49 PM EDT | Special Weather Statement | FFC | Clayton, Fayette | 41 min |
| Sep 7, 11:06 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Cobb, Douglas, Fulton | 24 min |
| Sep 7, 11:34 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, DeKalb, Fulton | 26 min |
| Sep 7, 11:47 PM EDT | Flash Flood Warning | FFC | Cobb, Forsyth, Fulton, Gwinnett | 9 hr |
| Sep 8, 12:04 AM EDT | Special Weather Statement | FFC | Gwinnett | 26 min |
| Sep 8, 12:37 AM EDT | Special Weather Statement | FFC | Forsyth | 23 min |
| Sep 8, 1:01 AM EDT | River Flood Warning | FFC | Cobb | 7 hr |
| Sep 8, 1:08 AM EDT | River Flood Warning | FFC | Cobb | 4 hr |
| Sep 8, 1:13 AM EDT | River Flood Warning | FFC | Fulton, Gwinnett | 4 hr |
| Sep 8, 1:24 AM EDT | River Flood Warning | FFC | Forsyth | 4 hr |
| Sep 8, 1:46 AM EDT | River Flood Warning | FFC | Cobb | 4 hr |
| Sep 8, 1:51 AM EDT | River Flood Warning | FFC | Fulton | 7 hr |
| Sep 8, 5:31 AM EDT | River Flood Warning | FFC | Cobb, Fulton | 8 hr |
| Sep 8, 5:33 AM EDT | River Flood Warning | FFC | Cobb, Fulton | 10 hr |
| Sep 8, 5:38 AM EDT | River Flood Warning | FFC | Cobb, Fulton | 5 hr |
| Sep 8, 1:04 PM EDT | Special Weather Statement | FFC | Warren | 26 min |
| Sep 8, 1:30 PM EDT | Special Weather Statement | FFC | Warren | 30 min |
| Sep 8, 2:03 PM EDT | Special Weather Statement | FFC | Taliaferro | 27 min |
| Sep 8, 2:17 PM EDT | Special Weather Statement | FFC | Whitfield | 28 min |
| Sep 8, 2:47 PM EDT | Special Weather Statement | FFC | Hancock, Jasper, Putnam, Taliaferro, Warren | 43 min |
| Sep 8, 3:22 PM EDT | Special Weather Statement | FFC | Lamar, Meriwether, Pike, Spalding, Upson | 38 min |
| Sep 8, 3:56 PM EDT | Special Weather Statement | FFC | Lamar, Meriwether, Pike | 49 min |
| Sep 8, 4:15 PM EDT | Special Weather Statement | FFC | Baldwin, Hancock, Jones | 45 min |
| Sep 8, 4:25 PM EDT | Special Weather Statement | FFC | Chattooga | 50 min |
| Sep 8, 5:10 PM EDT | Special Weather Statement | FFC | Carroll | 50 min |
| Sep 8, 5:13 PM EDT | Special Weather Statement | FFC | Union | 47 min |
| Sep 8, 5:17 PM EDT | Special Weather Statement | FFC | Barrow, Clarke, Gwinnett, Jackson, Madison | 43 min |
| Sep 8, 5:28 PM EDT | Special Weather Statement | FFC | Jefferson, Washington | 47 min |
| Sep 8, 5:32 PM EDT | Special Weather Statement | FFC | Floyd | 43 min |
| Sep 8, 6:05 PM EDT | Special Weather Statement | FFC | Barrow, Forsyth, Jackson | 55 min |
| Sep 8, 6:08 PM EDT | Special Weather Statement | FFC | Gilmer, Pickens | 52 min |
| Sep 8, 6:16 PM EDT | Flash Flood Warning | FFC | Barrow, Forsyth, Fulton, Gwinnett, Hall, Jackson | 6 hr |
| Sep 8, 6:57 PM EDT | Special Weather Statement | FFC | Dawson, Lumpkin, Pickens | 48 min |
| Sep 8, 7:23 PM EDT | River Flood Warning | FFC | Forsyth | 117 min |
| Sep 8, 7:44 PM EDT | Special Weather Statement | FFC | Cherokee, Dawson, Forsyth, Lumpkin | 46 min |
Nearby
River Flood Warnings in Georgia, 2021Every river flood warning in 2021
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.