Alert archive / Georgia / River Flood Warnings in 2026

River Flood Warning 13, NWS Atlanta, GA

February 27, 2026Forsyth County, Fulton County, Georgia

NWS Atlanta, GA issued this river flood warning at Feb 27, 2026, 6:48 AM EST for Forsyth County, Fulton County, Georgia. It was in force for 36 hr.

The area

The outline as issued.

The facts

Issued: Feb 27, 2026, 6:48 AM EST (11:48 UTC)
Expired: Feb 28, 2026, 7:00 PM EST
In force: 36 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 11:51 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 7.44 ft at Feb 27, 2026, 7:00 PM EST.

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.

489 
WGUS42 KFFC 271148
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
648 AM EST Fri Feb 27 2026

...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.

Additional information is available at weather.gov/atlanta.

&&

GAC117-121-010000-
/O.NEW.KFFC.FL.W.0013.260227T1148Z-260301T0000Z/
/APHG1.1.ER.260227T1112Z.260228T0000Z.260228T1930Z.NO/
648 AM EST Fri Feb 27 2026

...FLOOD WARNING IN EFFECT THROUGH SATURDAY EVENING...

* WHAT...Minor flooding is occurring.

* WHERE...Big Creek near Alpharetta.

* WHEN...Until Saturday evening.

* IMPACTS...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.

* ADDITIONAL DETAILS...
  - At 6:30 AM EST Friday the stage was 7.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 6:30 AM EST Friday was 7.0 feet.
  - Forecast...The river is expected to rise to a crest of 7.7 feet
    this evening. It will then fall below flood stage by Saturday
    evening.
  - Flood stage is 7.0 feet.
  - Flood History...This crest compares to a previous crest of 7.7
    feet on 02/14/2020.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427


$$

Culver

3 follow-up statements

100 
WGUS82 KFFC 280110
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
810 PM EST Fri Feb 27 2026

...The Flood Warning is extended for the following rivers in
Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton 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.

&&

GAC117-121-281315-
/O.EXT.KFFC.FL.W.0013.000000T0000Z-260301T0130Z/
/APHG1.1.ER.260227T1112Z.260228T0100Z.260228T1600Z.NO/
810 PM EST Fri Feb 27 2026

...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY EVENING...

* WHAT...Minor flooding is occurring.

* WHERE...Big Creek near Alpharetta.

* WHEN...Until Saturday evening.

* IMPACTS...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.

* ADDITIONAL DETAILS...
  - At 8:00 PM EST Friday the stage was 7.4 feet.
  - Forecast...The river is expected to fall below flood stage late
    Saturday morning and continue falling to 2.1 feet Wednesday
    evening.
  - Flood stage is 7.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427


$$

093 
WGUS82 KFFC 281153
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
653 AM EST Sat Feb 28 2026

...The Flood Warning continues for the following rivers in Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties.

  Yellow River at Gees Mill Road affecting Newton and Rockdale
  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.

&&

GAC217-247-010000-
/O.EXT.KFFC.FL.W.0015.000000T0000Z-260301T0000Z/
/MYRG1.1.ER.260227T2130Z.260228T0500Z.260228T1708Z.UU/
653 AM EST Sat Feb 28 2026

...FLOOD WARNING NOW IN EFFECT UNTIL THIS EVENING...

* WHAT...Minor flooding is occurring.

* WHERE...Yellow River at Gees Mill Road.

* WHEN...Until this evening.

* IMPACTS...At 12.0 feet, Minor flooding continues in the
  woodlands...fields and pasture along the river upstream and
  downstream from the gage on Gees Mill Road in Rockdale County.
  Large portions of Sockwell Road by the river in Newton County will
  be up to 3 feet under water.

* ADDITIONAL DETAILS...
  - At 6:30 AM EST Saturday the stage was 11.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 6:30 AM EST Saturday was 11.7 feet.
  - Forecast...The river has crested and will continue to gradually
    fall to below flood stage by this evening.
  - Flood stage is 11.0 feet.
  - Flood History...This crest compares to a previous crest of 11.6
    feet on 02/13/2024.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3366 8399 3371 8395 3359 8387 3356 8393


$$

GAC117-121-010000-
/O.EXT.KFFC.FL.W.0013.000000T0000Z-260301T0000Z/
/APHG1.1.ER.260227T1112Z.260228T0415Z.260228T1600Z.NO/
653 AM EST Sat Feb 28 2026

...FLOOD WARNING NOW IN EFFECT UNTIL THIS EVENING...

* WHAT...Minor flooding is occurring.

* WHERE...Big Creek near Alpharetta.

* WHEN...Until this evening.

* IMPACTS...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.

* ADDITIONAL DETAILS...
  - At 6:45 AM EST Saturday the stage was 7.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours ending
    at 6:45 AM EST Saturday was 7.5 feet.
  - Forecast...The river has crested and will continue to gradually
    fall to below flood stage by this evening.
  - Flood stage is 7.0 feet.
  - Flood History...This crest compares to a previous crest of 7.3
    feet on 10/25/2020.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427


$$

Culver

462 
WGUS82 KFFC 281909
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
209 PM EST Sat Feb 28 2026

...The Flood Warning is cancelled for the following rivers in
Georgia...

  Big Creek near Alpharetta affecting Forsyth and Fulton Counties.

  Yellow River at Gees Mill Road affecting Newton and Rockdale
  Counties.

GAC217-247-282015-
/O.CAN.KFFC.FL.W.0015.000000T0000Z-260228T1909Z/
/MYRG1.1.ER.260227T2130Z.260228T0500Z.260228T1337Z.UU/
209 PM EST Sat Feb 28 2026

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Yellow River at Gees Mill Road.

* ADDITIONAL DETAILS...
  - At 1:45 PM EST Saturday the stage was 9.7 feet.
  - Forecast...The river will continue to gradually fall and drop
    below 9 feet by this evening.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3366 8399 3371 8395 3359 8387 3356 8393


$$

GAC117-121-282015-
/O.CAN.KFFC.FL.W.0013.000000T0000Z-260228T1909Z/
/APHG1.1.ER.260227T1112Z.260228T0415Z.260228T1402Z.NO/
209 PM EST Sat Feb 28 2026

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Big Creek near Alpharetta.

* ADDITIONAL DETAILS...
  - At 2:00 PM EST Saturday the stage was 5.3 feet.
  - Forecast...The river will continue to gradually fall and drop
    below 4 feet by late tonight.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3410 8425 3410 8420 3404 8425 3402 8430
      3404 8433 3407 8427


$$

Culver

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 26, 7:07 PM EST	Special Weather Statement	FFC	Gordon	23 min
Feb 26, 7:11 PM EST	Special Weather Statement	FFC	Floyd	34 min
Feb 26, 7:27 PM EST	Special Weather Statement	FFC	Pickens	33 min
Feb 26, 7:40 PM EST	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Gilmer, Lumpkin, Pickens	50 min
Feb 26, 11:22 PM EST	Special Weather Statement	FFC	Douglas	23 min
Feb 27, 12:23 AM EST	Flash Flood Warning	FFC	Cobb, DeKalb, Fulton, Gwinnett	6 hr
Feb 27, 1:27 AM EST	River Flood Warning	FFC	DeKalb, Fulton	10 hr
Feb 27, 2:12 AM EST	Special Weather Statement	FFC	Meriwether	33 min
Feb 27, 6:01 AM EST	River Flood Warning	FFC	DeKalb, Rockdale	6 hr
Feb 27, 6:03 AM EST	River Flood Warning	FFC	Forsyth	10 hr
Feb 27, 12:36 PM EST	River Flood Warning	FFC	DeKalb, Rockdale	8 hr
Feb 27, 3:10 PM EST	River Flood Warning	FFC	Newton, Rockdale	28 hr
Feb 27, 5:27 PM EST	River Flood Warning	FFC	Gwinnett	3 hr

Nearby

River Flood Warnings in Georgia, 2026 Every river flood warning in 2026

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.