Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 149, NWS Atlanta, GA

August 31, 2021Cobb County, Georgia

NWS Atlanta, GA issued this river flood warning at Aug 31, 2021, 12:30 PM EDT for Cobb County, Georgia. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Aug 31, 2021, 12:30 PM EDT (16:30 UTC)
Expired
Aug 31, 2021, 4:49 PM EDT
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
Minor

County Cobb County, GA

The radar

The Atlanta radar (KFFC), 71 km from the middle of the area, began a volume at 16:31 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 Allatoona Creek at Stilesboro Road near Acworth (MAHG1). The gauge peaked at 14.50 ft at Aug 31, 2021, 2:00 PM EDT.

actionminormoderate5101508/3109/01
Action stage
11 ft
Minor stage
13 ft
Moderate stage
18 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02393419, 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.

625 
WGUS42 KFFC 311630
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1230 PM EDT Tue Aug 31 2021

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

  Allatoona Creek near Mars Hill affecting Cobb 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.

&&


GAC067-010430-
/O.NEW.KFFC.FL.W.0149.210831T1630Z-000000T0000Z/
/MAHG1.1.ER.210831T1612Z.210831T1615Z.000000T0000Z.UU/
1230 PM EDT Tue Aug 31 2021

The National Weather Service in Peachtree City has issued a

* Flood Warning for
  the Allatoona Creek near Mars Hill.
* From this afternoon until further notice.
* At 12:15 PM EDT Tuesday the stage was 13.1 feet.
* Flood stage is 13 feet.
* Minor flooding is occurring.
* Forecast...No forecast is available for this location.
* Impact...At 13 feet, Flood Stage is reached, and minor flooding 
  begins in the woodlands and fields near the creek upstream and 
  downstream from the gage on Stilesboro Road.


&&

LAT...LON 3396 8467 3396 8474 3405 8474 3405 8468
      3399 8465

$$
1 follow-up statement
255 
WGUS82 KFFC 312049
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
449 PM EDT Tue Aug 31 2021

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

  Allatoona Creek near Mars Hill affecting Cobb County.

GAC067-312200-
/O.CAN.KFFC.FL.W.0149.000000T0000Z-210831T2049Z/
/MAHG1.1.ER.210831T1612Z.210831T1830Z.210831T1952Z.UU/
449 PM EDT Tue Aug 31 2021

...The Flood Warning for the Allatoona Creek near Mars Hill has been 
cancelled...

The Flood Warning is cancelled for
  the Allatoona Creek near Mars Hill.
* At 4:15 PM EDT Tuesday the stage was 12.0 feet and falling.
* Flood stage is 13 feet.
* Forecast...No forecast is available for this location.


&&

LAT...LON 3396 8467 3396 8474 3405 8474 3405 8468
      3399 8465

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 8:30 PM EDTSpecial Weather StatementFFCFloyd30 min
Aug 30, 8:44 PM EDTSpecial Weather StatementFFCWhite31 min
Aug 30, 9:17 PM EDTSpecial Weather StatementFFCTowns28 min
Aug 31, 8:26 AM EDTSpecial Weather StatementFFCCarroll, Heard, Troup34 min
Aug 31, 11:35 AM EDTSpecial Weather StatementFFCPulaski, Wilcox25 min
Aug 31, 11:57 AM EDTSpecial Weather StatementFFCBleckley, Dodge, Pulaski, Twiggs33 min
Aug 31, 12:13 PM EDTSpecial Weather StatementFFCBaldwin, Jones, Putnam32 min
Aug 31, 12:27 PM EDTSpecial Weather StatementFFCLaurens, Telfair, Wilkinson33 min
Aug 31, 12:43 PM EDTSpecial Weather StatementFFCBaldwin, Clarke, Greene, Jackson, Morgan, Oconee and 1 more32 min
Aug 31, 1:00 PM EDTSpecial Weather StatementFFCHancock, Johnson, Washington30 min
Aug 31, 1:15 PM EDTSpecial Weather StatementFFCCatoosa, Walker30 min
Aug 31, 1:18 PM EDTSpecial Weather StatementFFCGreene, Madison, Oglethorpe27 min
Aug 31, 1:21 PM EDTSpecial Weather StatementFFCBartow24 min
Aug 31, 1:23 PM EDTSevere Thunderstorm WarningFFCGlascock, Hancock, Jefferson, Warren, Washington52 min
Aug 31, 1:41 PM EDTSpecial Weather StatementFFCBartow34 min
Aug 31, 1:54 PM EDTSevere Thunderstorm WarningFFCGlascock, Hancock, Taliaferro, Warren36 min
Aug 31, 1:59 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery, Toombs, Treutlen46 min
Aug 31, 2:23 PM EDTSpecial Weather StatementFFCWilkes37 min
Aug 31, 2:25 PM EDTRiver Flood WarningFFCWhitfield3 days
Aug 31, 5:23 PM EDTSpecial Weather StatementFFCTalbot37 min
Aug 31, 7:10 PM EDTSpecial Weather StatementFFCStewart, Webster35 min
Aug 31, 7:25 PM EDTSevere Thunderstorm WarningFFCStewart35 min
Aug 31, 7:33 PM EDTTornado WarningFFCLamar, Monroe, Upson27 min
Aug 31, 7:51 PM EDTSpecial Weather StatementFFCMonroe24 min
Aug 31, 7:58 PM EDTSpecial Weather StatementFFCWebster32 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.