Alert archive / Georgia / Flash Flood Watches in 2021

Flash Flood Watch 12, NWS Atlanta, GA

September 19, 202138 counties in Georgia

NWS Atlanta, GA issued this flash flood watch at Sep 19, 2021, 3:04 AM EDT for 38 counties in Georgia. It took effect at Sep 19, 2021, 8:00 AM EDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2021, 3:04 AM EDT (07:04 UTC)
In effect from
Sep 19, 2021, 8:00 AM EDT
Expired
Sep 21, 2021, 1:50 AM EDT
In force
42 hr
Issued by
NWS Atlanta, GA
Flood severity
None
All 38 counties

Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Lumpkin County, GA, Marion County, GA, Meriwether County, GA, Murray County, GA, Muscogee County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Stewart County, GA, Talbot County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Webster County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 58 km from the middle of the area, began a volume at 07:02 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.1 hours before the alert went out and 59 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2021-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 601 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
601 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

440 
WGUS62 KFFC 190704
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Peachtree City GA
304 AM EDT Sun Sep 19 2021

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-066-067-078-
079-089>091-102-103-191515-
/O.NEW.KFFC.FF.A.0012.210920T0800Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-Pickens-
Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-Haralson-
Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-Troup-Meriwether-
Harris-Talbot-Muscogee-Chattahoochee-Marion-Stewart-Webster-
Including the cities of , Columbus, Lumpkin, Cartersville, Newnan, 
Calhoun, East Point, Rome, Marietta, Carrollton, Atlanta, 
Douglasville, and Peachtree City
304 AM EDT Sun Sep 19 2021

...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY 
MORNING...

The National Weather Service in Peachtree City has issued a

* Flash Flood Watch for portions of north central Georgia, northwest 
  Georgia and west central Georgia, including the following areas, 
  in north central Georgia, Cherokee, Cobb, Douglas, Fayette, 
  Gilmer, North Fulton, Pickens and South Fulton. In northwest 
  Georgia, Bartow, Carroll, Catoosa, Chattooga, Dade, Floyd, Gordon, 
  Haralson, Murray, Paulding, Polk, Walker and Whitfield. In west 
  central Georgia, Chattahoochee, Coweta, Harris, Heard, Marion, 
  Meriwether, Muscogee, Stewart, Talbot, Troup and Webster.

* From late tonight through Monday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and tonight. Widespread rainfall totals within the 
  watch of one to two inches are possible. Locally higher amounts up 
  to three inches area possible, especially across the higher 
  terrain of northwest Georgia and metro Atlanta. This rain will 
  fall onto already wet ground resulting in the potential for flash 
  flooding and quick rises on rivers and creeks. Additional heavy 
  rainfall is possible on Monday and the Flash Flood Watch may have 
  to be expanded in time and area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
8 follow-up statements
555 
WGUS62 KFFC 190710
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Peachtree City GA
310 AM EDT Sun Sep 19 2021

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-066-067-078-
079-089>091-102-103-191515-
/O.EXT.KFFC.FF.A.0012.210919T1200Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-Pickens-
Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-Haralson-
Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-Troup-Meriwether-
Harris-Talbot-Muscogee-Chattahoochee-Marion-Stewart-Webster-
Including the cities of , Columbus, Lumpkin, Cartersville, Newnan, 
Calhoun, East Point, Rome, Marietta, Carrollton, Atlanta, 
Douglasville, and Peachtree City
310 AM EDT Sun Sep 19 2021

...FLASH FLOOD WATCH NOW IN EFFECT FROM 8 AM EDT THIS MORNING 
THROUGH MONDAY MORNING...

The Flash Flood Watch is now in effect for

* Portions of north central Georgia, northwest Georgia and west 
  central Georgia, including the following areas, in north central 
  Georgia, Cherokee, Cobb, Douglas, Fayette, Gilmer, North Fulton, 
  Pickens and South Fulton. In northwest Georgia, Bartow, Carroll, 
  Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, 
  Paulding, Polk, Walker and Whitfield. In west central Georgia, 
  Chattahoochee, Coweta, Harris, Heard, Marion, Meriwether, 
  Muscogee, Stewart, Talbot, Troup and Webster.

* From 8 AM EDT this morning through Monday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and tonight. Widespread rainfall totals within the 
  watch of one to two inches are possible. Locally higher amounts up 
  to three inches area possible, especially across the higher 
  terrain of northwest Georgia and metro Atlanta. This rain will 
  fall onto already wet ground resulting in the potential for flash 
  flooding and quick rises on rivers and creeks. Additional heavy 
  rainfall is possible on Monday and the Flash Flood Watch may have 
  to be expanded in time and area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
584 
WGUS62 KFFC 191433
FFAFFC

Flood Watch
National Weather Service Peachtree City GA
1033 AM EDT Sun Sep 19 2021

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-066-067-078-
079-089>091-102-103-200215-
/O.CON.KFFC.FF.A.0012.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-Pickens-
Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-Haralson-
Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-Troup-Meriwether-
Harris-Talbot-Muscogee-Chattahoochee-Marion-Stewart-Webster-
Including the cities of , Columbus, Lumpkin, Cartersville, Newnan, 
Calhoun, East Point, Rome, Marietta, Carrollton, Atlanta, 
Douglasville, and Peachtree City
1033 AM EDT Sun Sep 19 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Georgia, northwest Georgia and west 
  central Georgia, including the following areas, in north central 
  Georgia, Cherokee, Cobb, Douglas, Fayette, Gilmer, North Fulton, 
  Pickens and South Fulton. In northwest Georgia, Bartow, Carroll, 
  Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, 
  Paulding, Polk, Walker and Whitfield. In west central Georgia, 
  Chattahoochee, Coweta, Harris, Heard, Marion, Meriwether, 
  Muscogee, Stewart, Talbot, Troup and Webster.

* Through Monday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and tonight. Rainfall totals within the watch of 
  one to two inches are possible with locally higher amounts up to 
  three inches also possible, especially across northwest Georgia 
  and extending into portions of metro Atlanta. This rain will fall 
  onto already wet ground, resulting in the potential for flash 
  flooding and quick rises on rivers and creeks. With additional 
  heavy rainfall possible on Monday, the Flash Flood Watch may need 
  to be expanded in time and area with future updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
178 
WGUS62 KFFC 200101
FFAFFC

Flood Watch
National Weather Service Peachtree City GA
901 PM EDT Sun Sep 19 2021

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-066-067-
078-079-089>091-102-103-200915-
/O.CON.KFFC.FF.A.0012.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-
Pickens-Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-
Haralson-Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-Troup-
Meriwether-Harris-Talbot-Muscogee-Chattahoochee-Marion-Stewart-
Webster-
Including the cities of Calhoun, Rome, Cartersville, Marietta, 
Atlanta, Carrollton, Douglasville, East Point, Newnan, 
Peachtree City, Columbus, and Lumpkin
901 PM EDT Sun Sep 19 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

The Flash Flood Watch continues for

* Portions of north central Georgia...northwest Georgia and west 
  central Georgia...including the following areas...in north 
  central Georgia...Cherokee...Cobb...Douglas...Fayette... 
  Gilmer...North Fulton...Pickens and South Fulton. In northwest 
  Georgia...Bartow...Carroll...Catoosa...Chattooga...Dade... 
  Floyd...Gordon...Haralson...Murray...Paulding...Polk...Walker 
  and Whitfield. In west central Georgia...Chattahoochee... 
  Coweta...Harris...Heard...Marion...Meriwether...Muscogee... 
  Stewart...Talbot...Troup and Webster. 

* Until 8 AM EDT Monday

* Multiple rounds of heavy showers and isolated thunderstorms 
  are possible today and tonight. Rainfall totals within the 
  watch of one to two inches are possible with locally higher 
  amounts up to three inches also possible, especially across 
  northwest Georgia and extending into portions of metro 
  Atlanta. This rain will fall onto already wet ground, 
  resulting in the potential for flash flooding and quick rises 
  on rivers and creeks. With additional heavy rainfall possible 
  on Monday, the Flash Flood Watch may need to be expanded in 
  time and area with future updates. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
990 
WGUS62 KFFC 200729
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Peachtree City GA
329 AM EDT Mon Sep 20 2021

GAZ078-079-089>091-102-103-200830-
/O.CAN.KFFC.FF.A.0012.000000T0000Z-210920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Harris-Talbot-Muscogee-Chattahoochee-Marion-Stewart-Webster-
Including the cities of , Columbus, and Lumpkin
329 AM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for a portion of west central Georgia, 
including the following areas, Chattahoochee, Harris, Marion, 
Muscogee, Stewart, Talbot and Webster has been cancelled.

The Flood Watch is cancelled.

$$

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-066-067-
210000-
/O.EXT.KFFC.FF.A.0012.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-Pickens-
Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-Haralson-
Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-Troup-Meriwether-
Including the cities of , Cartersville, Newnan, Calhoun, East Point, 
Rome, Marietta, Carrollton, Atlanta, Douglasville, and Peachtree City
329 AM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch is now in effect for

* Portions of north central Georgia, northwest Georgia and west 
  central Georgia, including the following areas, in north central 
  Georgia, Cherokee, Cobb, Douglas, Fayette, Gilmer, North Fulton, 
  Pickens and South Fulton. In northwest Georgia, Bartow, Carroll, 
  Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, 
  Paulding, Polk, Walker and Whitfield. In west central Georgia, 
  Coweta, Heard, Meriwether and Troup.

* Through this evening.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today. Rainfall totals within the watch of one to two 
  inches are possible with locally higher amounts up to three inches 
  also possible, especially across northwest Georgia and extending 
  into portions of metro Atlanta. This rain will fall onto already 
  wet ground, resulting in the potential for flash flooding and 
  quick rises on rivers and creeks. With any changes in the 
  forecast, updates to expand the watch area eastward or further in 
  time cannot be ruled out.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
738 
WGUS62 KFFC 201908
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Peachtree City GA
308 PM EDT Mon Sep 20 2021

GAZ066-067-202015-
/O.CAN.KFFC.FF.A.0012.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Troup-Meriwether-
Including the cities of 
308 PM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for a portion of west central Georgia, 
including the following areas, Meriwether and Troup has been 
cancelled.

The Flood Watch is cancelled.

$$

GAZ006-008-009-014>016-022-211200-
/O.EXB.KFFC.FF.A.0012.000000T0000Z-210921T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fannin-Union-Towns-Dawson-Lumpkin-White-Forsyth-
Including the cities of , Dahlonega, and Cleveland
308 PM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING...

The National Weather Service in Peachtree City has expanded the

* Flash Flood Watch to include portions of north central Georgia and 
  northeast Georgia, including the following areas, in north central 
  Georgia, Dawson, Fannin, Forsyth, Lumpkin and Union. In northeast 
  Georgia, Towns and White.

* Through Tuesday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and into tonight. Rainfall totals within the watch 
  of one to two inches are possible with locally higher amounts up 
  to three inches also possible, especially across north Georgia and 
  extending into portions of metro Atlanta. This rain will fall onto 
  already wet ground, resulting in the potential for flash flooding 
  and quick rises on rivers and creeks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

GAZ001>005-007-011>013-019>021-030>033-041>044-052>054-211200-
/O.EXT.KFFC.FF.A.0012.000000T0000Z-210921T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Gilmer-Chattooga-Gordon-Pickens-
Floyd-Bartow-Cherokee-Polk-Paulding-Cobb-North Fulton-Haralson-
Carroll-Douglas-South Fulton-Heard-Coweta-Fayette-
Including the cities of , Cartersville, Newnan, Calhoun, East Point, 
Rome, Marietta, Carrollton, Atlanta, Douglasville, and Peachtree City
308 PM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY MORNING...

The Flash Flood Watch is now in effect for

* Portions of north central Georgia, northwest Georgia and west 
  central Georgia, including the following areas, in north central 
  Georgia, Cherokee, Cobb, Douglas, Fayette, Gilmer, North Fulton, 
  Pickens and South Fulton. In northwest Georgia, Bartow, Carroll, 
  Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, 
  Paulding, Polk, Walker and Whitfield. In west central Georgia, 
  Coweta and Heard.

* Through Tuesday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and into tonight. Rainfall totals within the watch 
  of one to two inches are possible with locally higher amounts up 
  to three inches also possible, especially across north Georgia and 
  extending into portions of metro Atlanta. This rain will fall onto 
  already wet ground, resulting in the potential for flash flooding 
  and quick rises on rivers and creeks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
641 
WGUS62 KFFC 201911
FFAFFC

Flood Watch
National Weather Service Peachtree City GA
311 PM EDT Mon Sep 20 2021

GAZ001>009-011>016-019>022-030>033-041>044-052>054-210315-
/O.CON.KFFC.FF.A.0012.000000T0000Z-210921T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns-
Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee-
Forsyth-Polk-Paulding-Cobb-North Fulton-Haralson-Carroll-Douglas-
South Fulton-Heard-Coweta-Fayette-
Including the cities of , Dahlonega, Newnan, Calhoun, East Point, 
Marietta, Rome, Carrollton, Cleveland, Atlanta, Douglasville, 
Cartersville, and Peachtree City
311 PM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Georgia, northeast Georgia, northwest 
  Georgia and west central Georgia, including the following areas, 
  in north central Georgia, Cherokee, Cobb, Dawson, Douglas, Fannin, 
  Fayette, Forsyth, Gilmer, Lumpkin, North Fulton, Pickens, South 
  Fulton and Union. In northeast Georgia, Towns and White. In 
  northwest Georgia, Bartow, Carroll, Catoosa, Chattooga, Dade, 
  Floyd, Gordon, Haralson, Murray, Paulding, Polk, Walker and 
  Whitfield. In west central Georgia, Coweta and Heard.

* Through Tuesday morning.

* Multiple rounds of heavy showers and isolated thunderstorms are 
  possible today and into tonight. Rainfall totals within the watch 
  of one to two inches are possible with locally higher amounts up 
  to three inches also possible, especially across north Georgia and 
  extending into portions of metro Atlanta. This rain will fall onto 
  already wet ground, resulting in the potential for flash flooding 
  and quick rises on rivers and creeks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
549 
WGUS62 KFFC 210138
FFAFFC

Flood Watch
National Weather Service Peachtree City GA
938 PM EDT Mon Sep 20 2021

GAZ001>009-011>016-019>022-030>033-041>044-052>054-211200-
/O.CON.KFFC.FF.A.0012.000000T0000Z-210921T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns-
Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee-
Forsyth-Polk-Paulding-Cobb-North Fulton-Haralson-Carroll-Douglas-
South Fulton-Heard-Coweta-Fayette-
Including the cities of , Dahlonega, Newnan, Calhoun, East Point, 
Marietta, Rome, Carrollton, Cleveland, Atlanta, Douglasville, 
Cartersville, and Peachtree City
938 PM EDT Mon Sep 20 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY...

The Flash Flood Watch continues for

* Portions of north central Georgia, northeast Georgia, northwest 
  Georgia and west central Georgia, including the following areas, 
  in north central Georgia, Cherokee, Cobb, Dawson, Douglas, Fannin, 
  Fayette, Forsyth, Gilmer, Lumpkin, North Fulton, Pickens, South 
  Fulton and Union. In northeast Georgia, Towns and White. In 
  northwest Georgia, Bartow, Carroll, Catoosa, Chattooga, Dade, 
  Floyd, Gordon, Haralson, Murray, Paulding, Polk, Walker and 
  Whitfield. In west central Georgia, Coweta and Heard.

* Until 8 AM EDT Tuesday.

* Additional showers are possible overnight tonight. While 
  widespread additional heavy rainfall totals are not expected, 
  locally heavier rainfall amounts are possible. This rain will fall 
  onto already saturated ground, resulting in the potential for 
  localized flash flooding and quick rises on rivers and creeks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
936 
WGUS62 KFFC 210550
FFAFFC

Flood Watch
National Weather Service Peachtree City GA
150 AM EDT Tue Sep 21 2021

GAZ001>009-011>016-019>022-030>033-041>044-052>054-210700-
/O.CAN.KFFC.FF.A.0012.000000T0000Z-210921T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns-
Chattooga-Gordon-Pickens-Dawson-Lumpkin-White-Floyd-Bartow-Cherokee-
Forsyth-Polk-Paulding-Cobb-North Fulton-Haralson-Carroll-Douglas-
South Fulton-Heard-Coweta-Fayette-
Including the cities of , Dahlonega, Newnan, Calhoun, East Point, 
Marietta, Rome, Carrollton, Cleveland, Atlanta, Douglasville, 
Cartersville, and Peachtree City
150 AM EDT Tue Sep 21 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of north central Georgia, 
northeast Georgia, northwest Georgia and west central Georgia, 
including the following areas, in north central Georgia, Cherokee, 
Cobb, Dawson, Douglas, Fannin, Fayette, Forsyth, Gilmer, Lumpkin, 
North Fulton, Pickens, South Fulton and Union. In northeast Georgia, 
Towns and White. In northwest Georgia, Bartow, Carroll, Catoosa, 
Chattooga, Dade, Floyd, Gordon, Haralson, Murray, Paulding, Polk, 
Walker and Whitfield. In west central Georgia, Coweta and Heard has 
been cancelled.

The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 6:12 PM EDTSpecial Weather StatementFFCCatoosa, Whitfield33 min

Nearby

Flash Flood Watches in Georgia, 2021Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.