Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 4, NWS Atlanta, GA

January 26, 2021Forsyth County, Georgia

NWS Atlanta, GA issued this river flood warning at Jan 26, 2021, 8:14 AM EST for Forsyth County, Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 26, 2021, 8:14 AM EST (13:14 UTC)
Expired
Jan 26, 2021, 1:11 PM EST
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

County Forsyth County, GA

The radar

The Atlanta radar (KFFC), 92 km from the middle of the area, began a volume at 13:17 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 at GA 9 near Cumming (CMGG1). The gauge peaked at 6.15 ft at Jan 26, 2021, 10:00 AM EST.

actionminormoderate051001/2601/27
Action stage
4 ft
Minor stage
6 ft
Moderate stage
12 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02335580, 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.

696 
WGUS42 KFFC 261314
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
814 AM EST Tue Jan 26 2021

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

  Big Creek near Cumming affecting Forsyth 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.


GAC117-262115-
/O.NEW.KFFC.FL.W.0004.210126T1314Z-210126T2109Z/
/CMGG1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
814 AM EST Tue Jan 26 2021

The National Weather Service in Peachtree City has issued a

* Flood Warning for
  the Big Creek near Cumming.
* From this morning to this afternoon.
* At 7:45 AM EST Tuesday the stage was just under 6 feet and rising.
* Flood stage is 6 feet.
* Minor flooding will occur shortly.
* Forecast...Minor flooding is forecast this morning until further 
  notice.
* Impact...At 6 feet, Flood stage is reached. Minor flooding will 
  expand into the natural flood plain of the creek upstream and 
  downstream from the gage at Atlanta Highway or Georgia Highway 9. 
  Large portions of the sidewalk and boardwalk of the Big Creek 
  Greenway will begin to flood. The areas under the Georgia 400 
  Highway and McFarland Road will be covered with around one foot of 
  water. A portion of the sidewalk under Majors Road will be covered 
  with around two feet of water.


&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424

$$
1 follow-up statement
357 
WGUS82 KFFC 261811
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
111 PM EST Tue Jan 26 2021

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

  Big Creek near Cumming affecting Forsyth County.

GAC117-261915-
/O.CAN.KFFC.FL.W.0004.000000T0000Z-210126T1811Z/
/CMGG1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
111 PM EST Tue Jan 26 2021

...The Flood Warning for the Big Creek near Cumming has been 
cancelled...

The Flood Warning is cancelled for
  the Big Creek near Cumming.
* At 12:45 PM EST Tuesday the stage was 5.8 feet and falling.
* Flood stage is 6 feet.
* Forecast...The creek will continue to fall below flood level.


&&

LAT...LON 3418 8424 3417 8420 3411 8419 3410 8420
      3410 8425 3411 8424

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 8:17 PM ESTSpecial Weather StatementFFCCatoosa, Walker28 min
Jan 25, 10:36 PM ESTSpecial Weather StatementFFCChattooga24 min
Jan 25, 10:59 PM ESTSpecial Weather StatementFFCGordon31 min
Jan 26, 1:19 AM ESTSpecial Weather StatementFFCPolk26 min
Jan 26, 1:45 AM ESTSpecial Weather StatementFFCPaulding30 min
Jan 26, 2:07 AM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Paulding38 min
Jan 26, 2:15 AM ESTTornado WarningFFCCherokee, Cobb, Paulding15 min
Jan 26, 2:32 AM ESTSpecial Weather StatementFFCCobb, Forsyth28 min
Jan 26, 2:56 AM ESTSpecial Weather StatementFFCHall34 min
Jan 26, 3:14 AM ESTSpecial Weather StatementFFCPolk61 min
Jan 26, 3:37 AM ESTSpecial Weather StatementFFCCobb, Paulding53 min
Jan 26, 5:09 AM ESTSpecial Weather StatementFFCHeard36 min
Jan 26, 5:31 AM ESTSpecial Weather StatementFFCCoweta, Fayette44 min
Jan 26, 5:34 AM ESTSevere Thunderstorm WarningFFCCoweta, Fayette41 min
Jan 26, 6:04 AM ESTSpecial Weather StatementFFCHenry, Spalding41 min
Jan 26, 6:06 AM ESTSpecial Weather StatementFFCMeriwether, Pike39 min
Jan 26, 6:09 AM ESTSevere Thunderstorm WarningFFCFayette, Spalding33 min
Jan 26, 6:28 AM ESTSevere Thunderstorm WarningFFCButts, Henry, Jasper, Newton, Spalding32 min
Jan 26, 11:18 AM ESTSpecial Weather StatementFFCTwiggs27 min
Jan 26, 12:01 PM ESTSpecial Weather StatementFFCLaurens29 min
Jan 26, 12:50 PM ESTRiver Flood WarningFFCForsyth, Fulton24 hr
Jan 26, 1:15 PM ESTSpecial Weather StatementFFCEmanuel, Johnson45 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.