Alert archive / Georgia / River Flood Warnings in 2021
River Flood Warning 176, NWS Atlanta, GA
NWS Atlanta, GA issued this river flood warning at Oct 5, 2021, 11:11 AM EDT for Forsyth County, Fulton County, Georgia. It took effect at Oct 6, 2021, 3:42 AM EDT. It was in force for 18 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 5, 2021, 11:11 AM EDT (15:11 UTC)
- In effect from
- Oct 6, 2021, 3:42 AM EDT
- Expired
- Oct 6, 2021, 9:50 PM EDT
- In force
- 18 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 15:13 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 5.24 ft at Oct 5, 2021, 8:00 PM 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.
647
WGUS42 KFFC 051511
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1111 AM EDT Tue Oct 5 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...
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.
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.
&&
GAC117-121-060315-
/O.NEW.KFFC.FL.W.0176.211006T0742Z-211009T1526Z/
/APHG1.1.ER.211006T0742Z.211007T0600Z.211009T0925Z.NO/
1111 AM EDT Tue Oct 5 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Big Creek near Alpharetta.
* From late tonight to late Saturday morning.
* At 11:00 AM EDT Tuesday the stage was 4.8 feet and rising.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 8.2 feet early Thursday morning. It will
then fall below flood stage early Saturday morning.
* Impact...At 8 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
$$6 follow-up statements
523
WGUS82 KFFC 060120
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
920 PM EDT Tue Oct 5 2021
...The Flood Warning is extended for the following rivers in
Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-061330-
/O.EXT.KFFC.FL.W.0176.211006T1510Z-211009T1526Z/
/APHG1.1.ER.211006T0742Z.211007T0600Z.211009T0925Z.NO/
920 PM EDT Tue Oct 5 2021
...The Flood Warning is now in effect until late Saturday morning...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From Wednesday morning to late Saturday morning.
* At 9:00 PM EDT Tuesday the stage was 5.3 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
Wednesday morning to a crest of 8.6 feet early Thursday morning.
It will then fall below flood stage early Saturday morning.
* Impact...At 8.0 feet, Minor flooding continues to expand further
into the woodlands and fields along the creek from near Cumming in
south Forsyth County to Alpharetta and Roswell in north Fulton
County. Additional portions of The Big Creek Greenway have minor
flooding with 1 to 2 feet of water. Most of the walking and biking
paths will be closed, especially upstream and downstream from the
gage on Kimball Bridge Road and near Rock Mill Park. Portions of
the YMCA Campground off Preston Ridge Road will flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$042
WGUS82 KFFC 060711
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
311 AM EDT Wed Oct 6 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-061915-
/O.CON.KFFC.FL.W.0176.211006T1510Z-211009T1526Z/
/APHG1.1.ER.211006T0742Z.211007T0600Z.211009T0925Z.NO/
311 AM EDT Wed Oct 6 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From this morning to late Saturday morning.
* At 11:00 AM EDT Tuesday the stage was 4.8 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
morning to a crest of 8.2 feet just after midnight tonight. It
will then fall below flood stage early Saturday 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
$$003
WGUS82 KFFC 061038
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
638 AM EDT Wed Oct 6 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at weather.gov/atlanta.
&&
GAC117-121-062245-
/O.CON.KFFC.FL.W.0176.211006T1510Z-211009T1526Z/
/APHG1.1.ER.211007T2200Z.211008T1200Z.211009T0000Z.NO/
638 AM EDT Wed Oct 6 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From this morning to late Saturday morning.
* At 5:45 AM EDT Wednesday the stage was 4.3 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow evening to a crest of 7.6 feet Friday morning. It will
then fall below flood stage Friday evening.
* Impact...At 8.0 feet, Minor flooding continues to expand further
into the woodlands and fields along the creek from near Cumming in
south Forsyth County to Alpharetta and Roswell in north Fulton
County. Additional portions of The Big Creek Greenway have minor
flooding with 1 to 2 feet of water. Most of the walking and biking
paths will be closed...especially upstream and downstream from the
gage on Kimball Bridge Road and near Rock Mill Park. Portions of
the YMCA Campground off Preston Ridge Road will flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$594
WGUS82 KFFC 061601
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
1201 PM EDT Wed Oct 6 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
Oconee River near Penfield affecting Greene, Oconee and Clarke
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
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.
&&
GAC117-121-070415-
/O.CON.KFFC.FL.W.0176.000000T0000Z-211009T1526Z/
/APHG1.1.ER.211007T1525Z.211008T0600Z.211009T1330Z.NO/
1201 PM EDT Wed Oct 6 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until late Saturday morning.
* At 11:45 AM EDT Wednesday the stage was 3.9 feet and rising.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tomorrow morning to a crest of 7.7 feet early Friday morning. It
will then fall below flood stage late Saturday morning.
* Impact...At 8 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
$$
GAC059-133-219-070415-
/O.CON.KFFC.FL.W.0179.211007T1536Z-211010T0000Z/
/PNFG1.1.ER.211007T0900Z.211009T0000Z.211009T2315Z.NO/
1201 PM EDT Wed Oct 6 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Oconee River near Penfield.
* From Thursday morning to Saturday evening.
* At 11:00 AM EDT Wednesday the stage was 12 feet and rising.
* Flood stage is 13 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tonight to a crest of 15.5 feet Friday evening. It will then fall
below flood stage Saturday evening.
* Impact...At 15 feet, Minor flooding continues to expand into
fields...woodlands and pastures...mainly on the right bank of the
river...upstream and downstream from the gage on the Georgia
Highway 15 bridge.
&&
LAT...LON 3364 8325 3364 8333 3383 8333 3384 8327
$$674
WGUS82 KFFC 061902
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
302 PM EDT Wed Oct 6 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.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
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.
&&
GAC117-121-070715-
/O.CON.KFFC.FL.W.0176.000000T0000Z-211009T1526Z/
/APHG1.1.ER.211007T1800Z.211007T1800Z.211008T1800Z.NO/
302 PM EDT Wed Oct 6 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* Until late Saturday morning.
* At 2:45 PM EDT Wednesday the stage was 4.3 feet and rising slowly.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
tomorrow afternoon to a crest of 7.0 feet early tomorrow
afternoon. It will then fall below flood stage early Friday
afternoon.
* 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
$$439
WGUS82 KFFC 070150
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
950 PM EDT Wed Oct 6 2021
...The Flood Warning is cancelled for the following rivers in
Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
GAC117-121-070300-
/O.CAN.KFFC.FL.W.0176.000000T0000Z-211007T0150Z/
/APHG1.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
950 PM EDT Wed Oct 6 2021
...The Flood Warning for the Big Creek near Alpharetta has been
cancelled...
The Flood Warning is cancelled for
the Big Creek near Alpharetta.
* At 8:45 PM EDT Wednesday the stage was 3.8 feet.
* Flood stage is 7.0 feet.
* Forecast...The river is expected to rise to a crest of 6.4 feet
Friday evening.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 10:18 AM EDT | Flash Flood Warning | FFC | Bibb, Butts, Jasper, Jones, Lamar, Monroe and 5 more | 9 hr |
| Oct 5, 10:50 AM EDT | River Flood Warning | FFC | Chattahoochee, Muscogee | 19 hr |
| Oct 5, 11:36 AM EDT | River Flood Warning | FFC | Dade | 46 hr |
| Oct 5, 12:23 PM EDT | River Flood Warning | FFC | Chattooga | 21 hr |
| Oct 5, 12:28 PM EDT | Special Weather Statement | FFC | Bibb, Jones | 62 min |
| Oct 5, 12:40 PM EDT | River Flood Warning | FFC | Clarke, Greene, Oconee | 4 days |
| Oct 5, 2:25 PM EDT | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 4 days |
| Oct 5, 7:18 PM EDT | River Flood Warning | FFC | Jones | 17 hr |
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.