Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 114, NWS Atlanta, GA

May 5, 2021Gwinnett County, Georgia

NWS Atlanta, GA issued this river flood warning at May 5, 2021, 6:36 AM EDT for Gwinnett County, Georgia. It took effect at May 5, 2021, 7:19 AM EDT. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
May 5, 2021, 6:36 AM EDT (10:36 UTC)
In effect from
May 5, 2021, 7:19 AM EDT
Expired
May 5, 2021, 4:03 PM EDT
In force
9 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 10:35 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 8.31 ft at May 5, 2021, 11:00 AM EDT.

actionminormoderate51005/0505/06
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.

531 
WGUS42 KFFC 051036
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
636 AM EDT Wed May 5 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.

Additional information is available at weather.gov/atlanta.

&&


GAC135-052245-
/O.NEW.KFFC.FL.W.0114.210505T1119Z-210506T0346Z/
/SWEG1.1.ER.210505T1119Z.210505T1800Z.210505T2145Z.NO/
636 AM EDT Wed May 5 2021

The National Weather Service in Peachtree City has issued a

* Flood Warning for
  the Suwanee Creek near Suwanee.
* Until this evening.
* At 6:15 AM EDT Wednesday the stage was 7.8 feet and rising.
* Flood stage is 8 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  morning to a crest of 8.5 feet this afternoon. It will then fall 
  below flood stage this evening.
* Impact...At 8 feet, Flood Stage is reached. Minor flooding begins 
  along the creek upstream and downstream from the gage at U S 
  Highway 23 or Buford Highway. Portions of the Suwanee Creek Park 
  off of Suwanee Creek Trail begin to flood to Martin Farm Road. 
  This will also include areas behind the Suwanee Elementary School 
  and the George Pierce Park.


&&

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

$$
2 follow-up statements
647 
WGUS82 KFFC 051533
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
1133 AM EDT Wed May 5 2021

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

  Chattahoochee River near Whitesburg affecting Coweta, Carroll and 
  Heard Counties.

  Suwanee Creek near Suwanee affecting Gwinnett County.

  Ocmulgee River near Macon affecting Jones, Houston, Bibb, Monroe 
  and Twiggs Counties.

For the Chattahoochee River Basin...including Helen, Dahlonega, 
Cornelia , Buford, Suwanee, Buford, Suwanee, West Suwanee, Norcross, 
Roswell, Roswell, Morgan Falls Dam TW, Smyrna , Vinings/Sandy 
Springs, Vinings Cobb Parkway, Vinings Paces Ferry Road, West 
Atlanta, Atlanta South Cobb Drive, Fairplay, Campbellton, Snake Cr 
Res Tailrace, Whitesburg, Whitesburg, Frolona, Franklin, 
Hogansville, Franklin, West Point, Columbus, Union, Omaha...Minor 
flooding is forecast.
For the Suwanee Creek...including Suwanee...Minor flooding is 
forecast.
For the Ocmulgee River Basin...including Jackson, Juliette, Griffin, 
East Juliette , Dames Ferry, West Macon, Macon, Hawkinsville, Byron, 
Hawkinsville, Clinchfield, Abbeville, McRae, Scotland, Lumber City...
Minor flooding is forecast.

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.

&&


GAC045-077-149-060345-
/O.EXT.KFFC.FL.W.0115.000000T0000Z-210506T2338Z/
/WHTG1.1.ER.210505T1257Z.210506T0600Z.210506T1738Z.NO/
1133 AM EDT Wed May 5 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Chattahoochee River near Whitesburg.
* Until Thursday evening.
* At 11:00 AM EDT Wednesday the stage was 17.3 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 19.3 feet 
  just after midnight tonight. It will then fall below flood stage 
  early tomorrow afternoon.
* Impact...At 19.0 feet, Minor flooding continues in the woodlands 
  and fields upstream and downstream from the gage at U.S. Highway 
  27 or Georgia Highway 16. The parking lot of Riverside Park next 
  to the bridge will begin to flood. A sod farm upstream also 
  experiences flooding. Flooding occurs on some unimproved dirt 
  roads along the river. The playground at a day use area in the 
  Chattahoochee Bend State Park will be under two feet of water. 
  Flood waters will surround tent platforms on the North Camping 
  Site of the park.
* Flood History...This crest compares to a previous crest of 19.4 
  feet on 09/18/2004.


&&

LAT...LON 3359 8484 3355 8478 3350 8479 3341 8498
      3344 8505 3350 8493

$$

GAC135-060300-
/O.EXT.KFFC.FL.W.0114.000000T0000Z-210506T0300Z/
/SWEG1.1.ER.210505T1148Z.210505T1800Z.210505T2100Z.NO/
1133 AM EDT Wed May 5 2021

...The Flood Warning is now in effect until late this evening...

The Flood Warning continues for
  the Suwanee Creek near Suwanee.
* Until this evening.
* At 10:15 AM EDT Wednesday the stage was 8.3 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 8.4 feet 
  this afternoon. It will then fall below flood stage late this 
  afternoon.
* Impact...At 8.0 feet, Flood Stage is reached. Minor flooding 
  begins along the creek upstream and downstream from the gage at U 
  S Highway 23 or Buford Highway. Portions of the Suwanee Creek Park 
  off of Suwanee Creek Trail begin to flood to Martin Farm Road. 
  This will also include areas behind the Suwanee Elementary School 
  and the George Pierce Park.


&&

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

$$

GAC021-153-169-207-289-060345-
/O.EXT.KFFC.FL.W.0113.210506T0600Z-210509T0142Z/
/MACG1.1.ER.210506T0600Z.210507T1200Z.210508T1942Z.NO/
1133 AM EDT Wed May 5 2021

...The Flood Warning is now in effect until late Saturday evening...

The Flood Warning continues for
  the Ocmulgee River near Macon.
* From late tonight to Saturday evening.
* At 10:30 AM EDT Wednesday the stage was 16.5 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 19.1 feet Friday morning. It 
  will then fall below flood stage Saturday afternoon.
* Impact...At 19.0 feet, Minor flooding continues. The Macon 
  Greenway Ocmulgee Heritage Trail will begin to flood in areas just 
  north of the Martin Luther King Boulevard bridge. The public 
  should not use this portion of the trail. In addition...the lowest 
  sections of the Charles Jones Gateway Park will flood. Portions of 
  agricultural lands well downstream will be under two feet of water.


&&

LAT...LON 3290 8372 3293 8367 3282 8356 3266 8353
      3263 8359 3274 8363

$$
720 
WGUS82 KFFC 052003
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
403 PM EDT Wed May 5 2021

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

  Suwanee Creek near Suwanee affecting Gwinnett County.

GAC135-052115-
/O.CAN.KFFC.FL.W.0114.000000T0000Z-210505T2003Z/
/SWEG1.1.ER.210505T1148Z.210505T1515Z.210505T1749Z.NO/
403 PM EDT Wed May 5 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 3:15 PM EDT Wednesday the stage was 7.7 feet and falling.
* Flood stage is 8 feet.
* Forecast...The river is expected to fall to 1.6 feet early Monday 
  afternoon.


&&

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
May 4, 8:24 PM EDTFlash Flood WarningFFCHeard, Troup4 hr
May 4, 8:25 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Harris, Meriwether, Muscogee, Talbot, Troup50 min
May 4, 8:34 PM EDTSpecial Weather StatementFFCDodge26 min
May 4, 8:41 PM EDTRiver Flood WarningFFCPolk10 hr
May 4, 8:46 PM EDTSevere Thunderstorm WarningFFCStewart, Webster44 min
May 4, 8:55 PM EDTSevere Thunderstorm WarningFFCMarion50 min
May 4, 8:58 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Pike, Spalding32 min
May 4, 9:15 PM EDTSevere Thunderstorm WarningFFCCrawford, Lamar, Macon, Marion, Meriwether, Monroe and 8 more45 min
May 4, 9:20 PM EDTSpecial Weather StatementFFCTelfair25 min
May 4, 9:50 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Crisp, Dooly, Houston, Lamar and 7 more25 min
May 4, 10:01 PM EDTSpecial Weather StatementFFCTelfair29 min
May 4, 10:14 PM EDTRiver Flood WarningFFCChattooga8 hr
May 4, 10:16 PM EDTSpecial Weather StatementFFCBibb, Bleckley, Crisp, Dodge, Dooly, Houston and 5 more29 min
May 4, 10:46 PM EDTSpecial Weather StatementFFCBaldwin, Bleckley, Dodge, Jones, Laurens, Telfair and 3 more44 min
May 4, 10:51 PM EDTRiver Flood WarningFFCCobb, Douglas64 hr
May 4, 11:26 PM EDTSpecial Weather StatementFFCEmanuel, Glascock, Jefferson, Johnson, Montgomery, Telfair and 4 more49 min
May 4, 11:32 PM EDTRiver Flood WarningFFCCobb7 hr
May 5, 12:42 AM EDTRiver Flood WarningFFCForsyth11 hr
May 5, 12:55 AM EDTRiver Flood WarningFFCCobb10 hr
May 5, 1:45 AM EDTRiver Flood WarningFFCHaralson24 hr
May 5, 2:42 AM EDTRiver Flood WarningFFCGwinnett, Walton4 hr
May 5, 5:51 AM EDTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs4 days
May 5, 6:46 AM EDTRiver Flood WarningFFCCarroll, Coweta, Heard19 hr
May 5, 11:07 AM EDTRiver Flood WarningFFCCobb, Paulding18 hr
May 5, 3:08 PM EDTRiver Flood WarningFFCFloyd31 hr
May 5, 6:12 PM EDTRiver Flood WarningFFCCobb, Douglas19 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.