Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 108, NWS Atlanta, GA

May 4, 2021Cobb County, Georgia

NWS Atlanta, GA issued this river flood warning at May 4, 2021, 11:32 PM EDT for Cobb County, Georgia. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 4, 2021, 11:32 PM EDT (03:32 UTC)
Expired
May 5, 2021, 6:31 AM EDT
In force
7 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 03:32 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 13.24 ft at May 5, 2021, 12:00 AM EDT.

actionminormoderate5101505/0505/06
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.

950 
WGUS42 KFFC 050332
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
1132 PM EDT Tue May 4 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.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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.

&&


GAC067-051545-
/O.NEW.KFFC.FL.W.0108.210505T0332Z-000000T0000Z/
/MAHG1.1.ER.210505T0307Z.000000T0000Z.000000T0000Z.UU/
1132 PM EDT Tue May 4 2021

The National Weather Service in Peachtree City has issued a

* Flood Warning for
  the Allatoona Creek near Mars Hill.
* From this evening until further notice.
* At 11:15 PM EDT Tuesday the stage was 13.1 feet and rising.
* 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. 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
372 
WGUS82 KFFC 051031
FLSFFC

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

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

  Allatoona Creek near Mars Hill affecting Cobb County.

GAC067-051145-
/O.CAN.KFFC.FL.W.0108.000000T0000Z-210505T1031Z/
/MAHG1.1.ER.210505T0307Z.000000T0000Z.210505T0433Z.UU/
631 AM EDT Wed May 5 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 6:15 AM EDT Wednesday the stage was 7.7 feet and falling.
* Flood stage is 13 feet.
* Forecast...The creek will continue to fall below flood stage.


&&

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
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 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, 6:36 AM EDTRiver Flood WarningFFCGwinnett9 hr
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.