Alert archive / Georgia / River Flood Warnings in 2021
River Flood Warning 15, NWS Atlanta, GA
NWS Atlanta, GA issued this river flood warning at Mar 16, 2021, 10:04 AM EDT for Forsyth County, Fulton County, Georgia. It took effect at Mar 18, 2021, 11:00 PM EDT. It was in force for .
The area
The outline as issued.
The facts
- Issued
- Mar 16, 2021, 10:04 AM EDT (14:04 UTC)
- In effect from
- Mar 18, 2021, 11:00 PM EDT
- Expired
- Mar 18, 2021, 2:25 AM EDT
- In force
- 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 14:08 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 4.56 ft at Mar 18, 2021, 1:00 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.
572
WGUS42 KFFC 161404
FLWFFC
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1004 AM EDT Tue Mar 16 2021
...The National Weather Service in Peachtree City GA has issued a
Flood Warning for the following rivers in Georgia...Tennessee...
Lookout Creek near New England affecting Dade and Hamilton
Counties.
Chattooga River near Summerville affecting Chattooga County.
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.
&&
Additional information is available at weather.gov/atlanta.
GAC083-TNC065-170215-
/O.NEW.KFFC.FL.W.0013.210316T1733Z-210319T2013Z/
/ENGG1.1.ER.210316T1733Z.210318T0000Z.210319T1412Z.NO/
1004 AM EDT Tue Mar 16 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Lookout Creek near New England.
* From this afternoon to Friday afternoon.
* At 9 AM Tuesday the stage was 6.9 feet, and rising quickly.
* Flood stage is 12 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
afternoon to a crest of 15.5 feet Wednesday evening. It will then
fall below flood stage late Friday morning.
* Impact...At 15 feet, Minor flooding continues to expand along
Sells Lane in Trenton...Mason Road near Rising Fawn...and Creek
Road near New England. These roads and other roads with creeks
flowing into Lookout Creek will flood causing the roads to be
closed. The water will be a few feet deep on portions of these
roads. Also minor flooding will continue to expand downstream as
the creek crosses the Tennessee border into the Tiftona area.
&&
LAT...LON 3503 8539 3502 8533 3484 8545 3471 8549
3472 8556 3486 8553
$$
GAC055-170215-
/O.NEW.KFFC.FL.W.0014.210318T1251Z-210319T1448Z/
/SUMG1.1.ER.210318T1251Z.210319T0000Z.210319T0848Z.NO/
1004 AM EDT Tue Mar 16 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Chattooga River near Summerville.
* From Thursday morning to Friday morning.
* At 9:45 AM Tuesday the stage was 4.7 feet, and rising quickly.
* Flood stage is 14 feet.
* Minor flooding is forecast.
* Forecast...The river will rise to 13.5 feet just after midnight
tonight. It will then fall to 9.8 feet and begin rising again
Wednesday evening. It will rise above flood stage Thursday morning
and continue to rise to 15.7 feet Thursday evening. It will then
fall below flood stage early Friday morning.
* Impact...At 16 feet, Minor flooding continues and expands further
into the woodlands and fields along the river upstream and
downstream from the gage on U.S. Highway 27 or Rome Boulevard.
&&
LAT...LON 3459 8539 3459 8531 3453 8526 3436 8538
3440 8544 3453 8533
$$
GAC117-121-170215-
/O.NEW.KFFC.FL.W.0015.210319T0300Z-210320T0800Z/
/APHG1.1.ER.210319T0300Z.210319T1200Z.210320T0200Z.NO/
1004 AM EDT Tue Mar 16 2021
The National Weather Service in Peachtree City has issued a
* Flood Warning for
the Big Creek near Alpharetta.
* From Thursday evening to late Friday night.
* At 9:45 AM Tuesday the stage was 2.8 feet, and rising.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
Thursday evening to a crest of 7.5 feet Friday morning. It will
then fall below flood stage late Friday evening.
* 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
$$6 follow-up statements
931
WGUS82 KFFC 161943
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
343 PM EDT Tue Mar 16 2021
...The Flood Warning continues for the following rivers in Georgia...
Chattooga River near Summerville affecting Chattooga County.
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
Additional information is available at weather.gov/atlanta.
GAC055-170745-
/O.CON.KFFC.FL.W.0014.210318T1251Z-210319T1448Z/
/SUMG1.1.ER.210318T1251Z.210319T0000Z.210319T0848Z.NO/
343 PM EDT Tue Mar 16 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Chattooga River near Summerville.
* From Thursday morning to Friday morning.
* At 2:45 PM Tuesday the stage was 7.6 feet and rising.
* Flood stage is 14 feet.
* Minor flooding is forecast.
* Forecast...The river will rise to 13.5 feet just after midnight
tonight. It will then fall to 9.8 feet and begin rising again
Wednesday evening. It will rise above flood stage Thursday morning
and continue to rise to 15.7 feet Thursday evening. It will then
fall below flood stage early Friday morning.
* Impact...At 16 feet, Minor flooding continues and expands further
into the woodlands and fields along the river upstream and
downstream from the gage on U.S. Highway 27 or Rome Boulevard.
&&
LAT...LON 3459 8539 3459 8531 3453 8526 3436 8538
3440 8544 3453 8533
$$
GAC117-121-170745-
/O.CON.KFFC.FL.W.0015.210319T0300Z-210320T0800Z/
/APHG1.1.ER.210319T0300Z.210319T1200Z.210320T0200Z.NO/
343 PM EDT Tue Mar 16 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From Thursday evening to late Friday night.
* At 2:45 PM Tuesday the stage was 2.9 feet and rising slowly.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
Thursday evening to a crest of 7.5 feet Friday morning. It will
then fall below flood stage late Friday evening.
* 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
$$763
WGUS82 KFFC 170107
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
907 PM EDT Tue Mar 16 2021
...The Flood Warning continues for the following rivers in Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
Additional information is available at weather.gov/atlanta.
GAC117-121-171315-
/O.CON.KFFC.FL.W.0015.210319T0300Z-210320T0800Z/
/APHG1.1.ER.210319T0300Z.210319T1200Z.210320T0200Z.NO/
907 PM EDT Tue Mar 16 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From Thursday evening to late Friday night.
* At 8:45 PM EDT Tuesday the stage was 3.0 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
Friday morning to a crest of 7.3 feet Friday afternoon. It will
then fall below flood stage late Friday night.
* Impact...At 7.0 feet, Flood Stage is reached. Minor flooding of
woodlands and fields begin along the creek between Cumming in
Forsyth County...to Alpharetta and Roswell in North Fulton
County. Flooding starts to effect portions of The Big Creek
Greenway near Alpharetta and some portions may become closed with
around one foot of water...especially upstream and downstream from
the gage on Kimball Bridge Road and near Rock Mill Park. Portions
of the YMCA Campground off Preston Ridge Road will begin to flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$293
WGUS82 KFFC 171044
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
644 AM EDT Wed Mar 17 2021
...The Flood Warning is extended for the following rivers in
Georgia...Tennessee...
Lookout Creek near New England affecting Dade and Hamilton
Counties.
Chattooga River near Summerville affecting Chattooga County.
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
...The Flood Warning continues for the following rivers in Georgia...
Conasauga River near Tilton affecting Whitfield, Gordon and
Murray 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.
GAC083-TNC065-172245-
/O.EXT.KFFC.FL.W.0013.000000T0000Z-210320T0210Z/
/ENGG1.1.ER.210318T0000Z.210318T1200Z.210319T2010Z.NO/
644 AM EDT Wed Mar 17 2021
...The Flood Warning is now in effect until late Friday evening...
The Flood Warning continues for
the Lookout Creek near New England.
* Until Friday evening.
* At 6:00 AM EDT Wednesday the stage was 8.2 feet.
* Flood stage is 12 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
evening to a crest of 15.5 feet Thursday morning. It will then
fall below flood stage Friday afternoon.
* Impact...At 15 feet, Minor flooding continues to expand along
Sells Lane in Trenton, Mason Road near Rising Fawn, and Creek Road
near New England. These roads and other roads with creeks flowing
into Lookout Creek will flood causing the roads to be closed. The
water will be a few feet deep on portions of these roads. Also
minor flooding will continue to expand downstream as the creek
crosses the Tennessee border into the Tiftona area.
&&
LAT...LON 3503 8539 3502 8533 3484 8545 3471 8549
3472 8556 3486 8553
$$
GAC055-172245-
/O.EXT.KFFC.FL.W.0014.210318T0750Z-210319T1522Z/
/SUMG1.1.ER.210318T0750Z.210319T0000Z.210319T0922Z.NO/
644 AM EDT Wed Mar 17 2021
...The Flood Warning is now in effect until late Friday morning...
The Flood Warning continues for
the Chattooga River near Summerville.
* From late tonight to Friday morning.
* At 5:45 AM EDT Wednesday the stage was 7.5 feet.
* Flood stage is 14 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage late tonight and
continue to rise to 16.1 feet Thursday evening. It will then fall
below flood stage early Friday morning.
* Impact...At 16 feet, Minor flooding continues and expands further
into the woodlands and fields along the river upstream and
downstream from the gage on U.S. Highway 27 or Rome Boulevard.
&&
LAT...LON 3459 8539 3459 8531 3453 8526 3436 8538
3440 8544 3453 8533
$$
GAC117-121-172245-
/O.EXT.KFFC.FL.W.0015.210319T0900Z-210320T0900Z/
/APHG1.1.ER.210319T0900Z.210319T1800Z.210320T0300Z.NO/
644 AM EDT Wed Mar 17 2021
...The Flood Warning is now in effect until early Saturday morning...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From late Thursday night to late Friday night.
* At 5:45 AM EDT Wednesday the stage was 3.1 feet.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
Friday morning to a crest of 7.3 feet early Friday afternoon. It
will then fall below flood stage late Friday evening.
* 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
$$
GAC129-213-313-172245-
/O.CON.KFFC.FL.W.0016.210318T1240Z-210321T1912Z/
/TLNG1.1.ER.210318T1240Z.210320T1200Z.210321T1312Z.NO/
644 AM EDT Wed Mar 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Conasauga River near Tilton.
* From Thursday morning to Sunday afternoon.
* At 6:00 AM EDT Wednesday the stage was 11.3 feet.
* Flood stage is 18 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
Thursday morning to a crest of 21.8 feet Saturday morning. It will
then fall below flood stage late Sunday morning.
* Impact...At 21 feet, Minor flooding continues to expand further
into the woodlands, fields, and pastures along the river upstream
and downstream from the gage on the Brackett Ridge Road bridge.
&&
LAT...LON 3472 8489 3472 8483 3463 8488 3463 8495
3471 8497
$$276
WGUS82 KFFC 171350
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
950 AM EDT Wed Mar 17 2021
...The Flood Warning continues for the following rivers in Georgia...
Tennessee...
Lookout Creek near New England affecting Dade and Hamilton
Counties.
Conasauga River near Tilton affecting Whitfield, Gordon and
Murray Counties.
Chattooga River near Summerville affecting Chattooga County.
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.
&&
Additional information is available at weather.gov/atlanta.
GAC083-TNC065-180200-
/O.CON.KFFC.FL.W.0013.000000T0000Z-210320T0210Z/
/ENGG1.1.ER.210318T1133Z.210319T0000Z.210319T0936Z.NO/
950 AM EDT Wed Mar 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Lookout Creek near New England.
* Until Friday evening.
* At 9:00 AM EDT Wednesday the stage was 7.9 feet and falling.
* Flood stage is 12 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
Thursday morning to a crest of 13 feet Thursday evening. It will
then fall below flood stage early Friday morning.
* Impact...At 13 feet, Minor flooding expands along Sells Lane in
Trenton...Mason Road near Rising Fawn...and Creek Road near New
England. All these roads will be closed. Also minor flooding
expands much further downstream as the creek crosses the Tennessee
border into the Tiftona area.
&&
LAT...LON 3503 8539 3502 8533 3484 8545 3471 8549
3472 8556 3486 8553
$$
GAC055-180200-
/O.CON.KFFC.FL.W.0014.210318T0750Z-210319T1522Z/
/SUMG1.1.ER.210318T1117Z.210318T1800Z.210319T0928Z.NO/
950 AM EDT Wed Mar 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Chattooga River near Summerville.
* From late tonight to Friday morning.
* At 8:45 AM Wednesday the stage was 6.9 feet and falling.
* Flood stage is 14 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
Thursday morning to a crest of 16.4 feet early Thursday afternoon.
It will then fall below flood stage early Friday morning.
* Impact...At 16 feet, Minor flooding continues and expands further
into the woodlands and fields along the river upstream and
downstream from the gage on U.S. Highway 27 or Rome Boulevard.
&&
LAT...LON 3459 8539 3459 8531 3453 8526 3436 8538
3440 8544 3453 8533
$$
GAC129-213-313-180200-
/O.CON.KFFC.FL.W.0016.210318T1240Z-210321T1912Z/
/TLNG1.1.ER.210319T0600Z.210320T0000Z.210320T1600Z.NO/
950 AM EDT Wed Mar 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Conasauga River near Tilton.
* From Thursday morning to Sunday afternoon.
* At 9:00 AM EDT Wednesday the stage was 11.7 feet and rising.
* Flood stage is 18 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
Friday morning to a crest of 19 feet Friday evening. It will then
fall below flood stage early Saturday afternoon.
* Impact...At 18 feet, Flood stage is reached. Minor flooding begins
in the woodlands...fields and pastures along the river upstream
and downstream from the gage on the Brackett Ridge Road bridge.
&&
LAT...LON 3472 8489 3472 8483 3463 8488 3463 8495
3471 8497
$$
GAC117-121-180200-
/O.CON.KFFC.FL.W.0015.210319T0900Z-210320T0900Z/
/APHG1.1.ER.210320T0000Z.210320T0000Z.210320T0000Z.NO/
950 AM EDT Wed Mar 17 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From late Thursday night to late Friday night.
* At 8:45 AM EDT Wednesday the stage was 3 feet and falling.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 7 feet
Friday evening.
* Impact...At 7 feet, Flood Stage is reached. Minor flooding of
woodlands and fields begin along the creek between Cumming in
Forsyth County...to Alpharetta and Roswell in North Fulton
County. Flooding starts to effect portions of The Big Creek
Greenway near Alpharetta and some portions may become closed with
around one foot of water...especially upstream and downstream from
the gage on Kimball Bridge Road and near Rock Mill Park. Portions
of the YMCA Campground off Preston Ridge Road will begin to flood.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$514
WGUS82 KFFC 171846
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
246 PM EDT Wed Mar 17 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.
&&
Additional information is available at weather.gov/atlanta.
GAC117-121-180700-
/O.EXT.KFFC.FL.W.0015.210320T0000Z-210320T0600Z/
/APHG1.1.ER.210320T0000Z.210320T0000Z.210320T0000Z.NO/
246 PM EDT Wed Mar 17 2021
...The Flood Warning is now in effect until early Saturday morning...
The Flood Warning continues for
the Big Creek near Alpharetta.
* From Friday evening to late Friday night.
* At 1:45 PM Wednesday the stage was 2.9 feet.
* Flood stage is 7 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 7 feet
Friday evening.
* 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
$$261
WGUS82 KFFC 180625
FLSFFC
Flood Statement
National Weather Service Peachtree City GA
225 AM EDT Thu Mar 18 2021
...The Flood Warning is cancelled for the following rivers in
Georgia...
Big Creek near Alpharetta affecting Fulton and Forsyth Counties.
GAC117-121-180730-
/O.CAN.KFFC.FL.W.0015.210320T0000Z-210318T0625Z/
/APHG1.1.ER.210320T0000Z.210320T0000Z.210320T0000Z.NO/
225 AM EDT Thu Mar 18 2021
...The Flood Warning for the Big Creek near Alpharetta has been
cancelled...
The Flood Warning is cancelled for
the Big Creek near Alpharetta.
* At 1:45 AM EDT Thursday the stage was 3.6 feet and slowly rising.
* Flood stage is 7 feet.
* Forecast...The river is expected to rise to a crest of 6.3 feet
Friday evening.
&&
LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
3404 8433 3407 8427
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 11:45 PM EDT | Special Weather Statement | FFC | Floyd | 30 min |
| Mar 16, 10:04 AM EDT | River Flood Warning | FFC | Dade | 3 days |
| Mar 16, 10:04 AM EDT | River Flood Warning | FFC | Chattooga | 68 hr |
| Mar 16, 6:42 PM EDT | Special Weather Statement | FFC | Stewart, Webster | 33 min |
| Mar 16, 7:49 PM EDT | Special Weather Statement | FFC | Macon, Schley | 26 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.