Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 130, NWS Atlanta, GA

July 25, 2021Gwinnett County, Georgia

NWS Atlanta, GA issued this river flood warning at Jul 25, 2021, 9:25 AM EDT for Gwinnett County, Georgia. It was in force for 11 hr.

The area

The outline as issued.

The facts

Issued
Jul 25, 2021, 9:25 AM EDT (13:25 UTC)
Expired
Jul 25, 2021, 7:55 PM EDT
In force
11 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

County Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 13:30 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 Suwanee Creek at Suwanee (SWEG1). The gauge peaked at 10.31 ft at Jul 25, 2021, 12:00 PM EDT.

actionminormoderate051007/2507/26
Action stage
7 ft
Minor stage
8 ft
Moderate stage
11 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02334885, 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.

536 
WGUS42 KFFC 251325
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
925 AM EDT Sun Jul 25 2021

...The National Weather Service in Peachtree City GA has issued a 
Flood Warning for the following rivers in Georgia...

  Suwanee Creek near Suwanee affecting Gwinnett County.

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.

Additional information is available at weather.gov/atlanta.

&&


GAC135-260130-
/O.NEW.KFFC.FL.W.0130.210725T1325Z-210726T0458Z/
/SWEG1.1.ER.210725T1248Z.210725T1800Z.210725T2257Z.NO/
925 AM EDT Sun Jul 25 2021

The National Weather Service in Peachtree City has issued a

* Flood Warning for
  the Suwanee Creek near Suwanee.
* From this morning to just after midnight tonight.
* At 9:16 AM EDT Sunday the stage was 9.1 feet.
* Flood stage is 8 feet.
* Minor flooding is occurring and minor flooding is forecast to 
  continue.
* Forecast...The river is expected to rise to a crest of 9.9 feet 
  this afternoon. It will then fall below flood stage this evening.
* Impact...At 10 feet, Minor flooding expands further into the flood 
  plain from Suwanee Creek Park through Martin Farm Park to George 
  Pierce Park. The Suwanee Creek Greenway and trails are completely 
  flooded with the water approaching the Swift Atlanta Company 
  parking lot. Suwanee Creek Road begins to flood in low areas near 
  Bennett Creek Bridge. In addition...yards begin to flood off Bend 
  Creek Trail and Mill Creek Run. Portions of the playground behind 
  the Suwanee Elementary School will be flooded.


&&

LAT...LON 3412 8403 3410 8396 3403 8398 3401 8413
      3403 8412 3406 8409

$$
2 follow-up statements
526 
WGUS82 KFFC 252049
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
449 PM EDT Sun Jul 25 2021

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

  Suwanee Creek near Suwanee affecting Gwinnett County.

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.

Additional information is available at weather.gov/atlanta.

&&


GAC135-260500-
/O.EXT.KFFC.FL.W.0130.000000T0000Z-210726T0500Z/
/SWEG1.1.ER.210725T1248Z.210725T1530Z.210725T2250Z.NO/
449 PM EDT Sun Jul 25 2021

...The Flood Warning is now in effect until just after midnight 
tonight...

The Flood Warning continues for
  the Suwanee Creek near Suwanee.
* Until just after midnight tonight.
* At 4:15 PM EDT Sunday the stage was 8.9 feet.
* Flood stage is 8 feet.
* Minor flooding is occurring.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 1.0 feet Friday morning.
* Impact...At 9 feet, Minor flooding expands along the creek 
  upstream and downstream from the gage at U S Highway 23 or Buford 
  Highway. Most of the Suwanee Creek Greenway and trails are flooded 
  from the Suwanee Creek Park to George Pierce Park. The minor 
  flooding will also begin to affect portions of the playground area 
  behind the Suwanee Elementary School.


&&

LAT...LON 3412 8403 3410 8396 3403 8398 3401 8413
      3403 8412 3406 8409

$$
347 
WGUS82 KFFC 252355
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
755 PM EDT Sun Jul 25 2021

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

  Suwanee Creek near Suwanee affecting Gwinnett County.

GAC135-260100-
/O.CAN.KFFC.FL.W.0130.000000T0000Z-210725T2355Z/
/SWEG1.1.ER.210725T1248Z.210725T1530Z.210725T2236Z.NO/
755 PM EDT Sun Jul 25 2021

...The Flood Warning for the Suwanee Creek near Suwanee has been 
cancelled...

The Flood Warning is cancelled for
  the Suwanee Creek near Suwanee.
* At 7:15 PM EDT Sunday the stage was 7.8 feet.
* Flood stage is 8 feet.
* Forecast...The river is expected to fall to 1 feet Friday morning.


&&

LAT...LON 3412 8403 3410 8396 3403 8398 3401 8413
      3403 8412 3406 8409

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 9:29 PM EDTSpecial Weather StatementFFCBarrow, Gwinnett31 min
Jul 24, 10:07 PM EDTFlash Flood WarningFFCBarrow, Gwinnett, Hall6 hr
Jul 25, 3:43 AM EDTRiver Flood WarningFFCGwinnett, Walton4 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.