Alert archive / Georgia / River Flood Warnings in 2021

River Flood Warning 81, NWS Atlanta, GA

March 31, 2021Cobb County, Georgia

NWS Atlanta, GA issued this river flood warning at Mar 31, 2021, 1:31 PM EDT for Cobb County, Georgia. It was in force for 21 days.

The area

The outline as issued.

The facts

Issued
Mar 31, 2021, 1:31 PM EDT (17:31 UTC)
Expired
Apr 21, 2021, 1:31 PM EDT
In force
21 days
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 17:32 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 13.18 ft at Mar 31, 2021, 2:00 PM EDT.

actionminormoderate5101503/3104/0104/0204/0304/0404/0504/0604/0704/0804/0904/1004/1104/1204/1304/1404/1504/1604/1704/1804/1904/2004/2104/22
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.

952 
WGUS42 KFFC 311731
FLWFFC

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Peachtree City GA
131 PM EDT Wed Mar 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.


GAC067-010545-
/O.NEW.KFFC.FL.W.0081.210331T1731Z-000000T0000Z/
/MAHG1.1.ER.210331T1726Z.210331T1728Z.000000T0000Z.UU/
131 PM EDT Wed Mar 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 1:28 PM EDT Wednesday the stage was 12.0 feet and rising.
* Flood stage is 13 feet.
* Minor flooding is expected.
* 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 3404 8474 3404 8468
      3399 8465

$$
2 follow-up statements
693 
WGUS82 KFFC 311827
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
227 PM EDT Wed Mar 31 2021

...The Flood Warning continues 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.


GAC067-010630-
/O.CON.KFFC.FL.W.0081.000000T0000Z-000000T0000Z/
/MAHG1.1.ER.210331T1726Z.210331T1815Z.000000T0000Z.UU/
227 PM EDT Wed Mar 31 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Allatoona Creek near Mars Hill.
* Until further notice.
* At 2:15 PM EDT Wednesday the stage was 13.3 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 3404 8474 3404 8468
      3399 8465

$$
211 
WGUS82 KFFC 311946
FLSFFC

Flood Statement
National Weather Service Peachtree City GA
346 PM EDT Wed Mar 31 2021

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

  Allatoona Creek near Mars Hill affecting Cobb County.

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

  South Chickamauga Creek near Ringgold affecting Catoosa County.

  West Chickamauga Creek near Fort Oglethorpe affecting Hamilton 
  and Catoosa Counties.

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.


GAC067-312100-
/O.CAN.KFFC.FL.W.0081.000000T0000Z-210331T1946Z/
/MAHG1.1.ER.210331T1726Z.210331T1815Z.000000T0000Z.UU/
346 PM EDT Wed Mar 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 3:15 PM EDT Wednesday the stage was 12.7 feet and falling.
* Flood stage is 13 feet.
* Forecast...The creek will continue to fall. 


&&

LAT...LON 3396 8467 3396 8474 3404 8474 3404 8468
      3399 8465

$$

GAC047-010800-
/O.CON.KFFC.FL.W.0082.000000T0000Z-000000T0000Z/
/SCKG1.1.ER.210331T1716Z.210331T1830Z.000000T0000Z.NO/
346 PM EDT Wed Mar 31 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the South Chickamauga Creek near Ringgold.
* Until further notice.
* At 2:30 PM EDT Wednesday the stage was 15.9 feet and rising.
* Flood stage is 15 feet.
* Minor flooding will continue.
* Forecast...No forecast is available for this location.


&&

LAT...LON 3500 8520 3499 8509 3490 8509 3486 8510
      3486 8515 3494 8515

$$

GAC047-TNC065-010800-
/O.CON.KFFC.FL.W.0078.210401T0430Z-210402T1312Z/
/WCKG1.1.ER.210401T0430Z.210401T1800Z.210402T0712Z.NO/
346 PM EDT Wed Mar 31 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the West Chickamauga Creek near Fort Oglethorpe.
* From late tonight to Friday morning.
* At 3:30 PM EDT Wednesday the stage was 10.0 feet and rising.
* Flood stage is 11 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 11.5 feet early Thursday 
  afternoon. It will then fall below flood stage early Friday 
  morning.
* Impact...At 11 feet, Flood Stage is reached. Minor flooding begins 
  of woodlands and fields near the creek upstream and downstream 
  from the gage on the Georgia Highway 146 or Cloud Springs Road 
  bridge. Minor flooding of the creek can also be expected further 
  downstream as it crosses the Tennessee border into the south East 
  Ridge area.


&&

LAT...LON 3492 8526 3500 8523 3499 8516 3486 8524

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 7:04 AM EDTSpecial Weather StatementFFCCatoosa, Chattooga, Dade, Walker41 min
Mar 31, 7:46 AM EDTFlash Flood WarningFFCCatoosa, Dade, Walker5 hr
Mar 31, 8:16 AM EDTFlash Flood WarningFFCBartow, Chattooga, Fannin, Floyd, Gilmer, Gordon and 7 more6 hr
Mar 31, 8:19 AM EDTSpecial Weather StatementFFCPaulding26 min
Mar 31, 9:07 AM EDTRiver Flood WarningFFCDade29 hr
Mar 31, 9:08 AM EDTRiver Flood WarningFFCWhitfield5 hr
Mar 31, 9:09 AM EDTSpecial Weather StatementFFCCobb, Douglas, Fulton36 min
Mar 31, 9:15 AM EDTRiver Flood WarningFFCChattooga27 hr
Mar 31, 9:15 AM EDTRiver Flood WarningFFCFloyd45 hr
Mar 31, 9:15 AM EDTRiver Flood WarningFFCGordon, Murray, Whitfield4 days
Mar 31, 9:15 AM EDTRiver Flood WarningFFCFloyd, Gordon4 days
Mar 31, 9:23 AM EDTRiver Flood WarningFFCCatoosa49 hr
Mar 31, 9:38 AM EDTSpecial Weather StatementFFCGwinnett37 min
Mar 31, 9:44 AM EDTRiver Flood WarningFFCWhitfield71 hr
Mar 31, 9:53 AM EDTSpecial Weather StatementFFCDouglas, Fulton22 min
Mar 31, 9:54 AM EDTRiver Flood WarningFFCMurray, Whitfield44 hr
Mar 31, 11:26 AM EDTSpecial Weather StatementFFCHaralson, Paulding34 min
Mar 31, 11:58 AM EDTSpecial Weather StatementFFCCarroll, Cobb, Douglas32 min
Mar 31, 1:12 PM EDTSpecial Weather StatementFFCFayette33 min
Mar 31, 2:00 PM EDTRiver Flood WarningFFCCatoosa19 hr
Mar 31, 2:21 PM EDTRiver Flood WarningFFCForsyth, Fulton21 hr
Mar 31, 3:00 PM EDTSpecial Weather StatementFFCOglethorpe30 min
Mar 31, 3:03 PM EDTSpecial Weather StatementFFCGreene27 min
Mar 31, 3:44 PM EDTSpecial Weather StatementFFCChattahoochee, Marion, Stewart31 min
Mar 31, 3:59 PM EDTSpecial Weather StatementFFCWilkes31 min
Mar 31, 4:22 PM EDTFreeze WatchFFCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 44 more11 hr
Mar 31, 4:22 PM EDTWind AdvisoryFFCBanks, Barrow, Bartow, Bibb, Butts, Carroll and 64 more27 hr
Mar 31, 5:08 PM EDTSpecial Weather StatementFFCBleckley, Dooly, Houston, Pulaski, Twiggs, Wilkinson37 min
Mar 31, 5:23 PM EDTSpecial Weather StatementFFCGlascock, Washington37 min
Mar 31, 5:35 PM EDTSpecial Weather StatementFFCBleckley, Dodge, Pulaski, Wilcox25 min
Mar 31, 5:44 PM EDTSevere Thunderstorm WarningFFCLaurens31 min
Mar 31, 6:05 PM EDTSpecial Weather StatementFFCEmanuel, Treutlen, Wheeler25 min
Mar 31, 6:22 PM EDTRiver Flood WarningFFCMurray7 hr
Mar 31, 6:30 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery, Telfair, Treutlen, Wheeler30 min
Mar 31, 7:00 PM EDTSpecial Weather StatementFFCEmanuel, Montgomery, Telfair, Toombs30 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.