Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 39, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Oct 5, 2021, 10:18 AM EDT for 11 counties in Georgia. It was in force for 9 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 5, 2021, 10:18 AM EDT (14:18 UTC)
- Expired
- Oct 5, 2021, 7:02 PM EDT
- In force
- 9 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bibb County, GA, Butts County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Spalding County, GA, Upson County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 70 km from the middle of the area, began a volume at 14:17 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 5, 1:27 PM EDT | FLASH FLOOD | 2 Ese Calvin, GA | GAY ROAD IS CLOSED DUE TO FLOODING. |
| Oct 5, 1:30 PM EDT | FLASH FLOOD | 1 Ne Eudora, GA | SHEPHERD ROAD IS CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.3 hours before the alert went out and 64 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.
- Mixed-layer CAPE
- 565 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
124
WGUS52 KFFC 051418
FFWFFC
GAC021-035-159-169-171-207-211-217-255-293-297-052015-
/O.NEW.KFFC.FF.W.0039.211005T1418Z-211005T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1018 AM EDT Tue Oct 5 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northwestern Bibb County in central Georgia...
Butts County in central Georgia...
Jasper County in central Georgia...
Northwestern Jones County in central Georgia...
Monroe County in central Georgia...
Morgan County in north central Georgia...
Newton County in north central Georgia...
Walton County in north central Georgia...
Lamar County in west central Georgia...
Southeastern Spalding County in west central Georgia...
Northeastern Upson County in west central Georgia...
* Until 415 PM EDT.
* At 1018 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Macon, Griffin, Monroe, Covington, Barnesville, Jackson, Madison,
Forsyth, Monticello, Social Circle, Rutledge, Newborn, Flovilla,
North High Shoals, Milner, Mansfield, Jenkinsburg, Bostwick,
Yatesville and Good Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
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.
&&
LAT...LON 3329 8426 3330 8407 3339 8397 3340 8398
3345 8392 3346 8393 3391 8370 3392 8367
3380 8348 3350 8345 3344 8349 3343 8353
3337 8354 3331 8358 3304 8367 3283 8372
3286 8398 3285 8425
FLASH FLOOD...RADAR INDICATED
$$2 follow-up statements
459
WGUS52 KFFC 051946
FFWFFC
GAC021-035-159-169-171-207-211-217-255-293-297-052315-
/O.EXT.KFFC.FF.W.0039.000000T0000Z-211005T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
346 PM EDT Tue Oct 5 2021
The National Weather Service in Peachtree City has extended the
* Flash Flood Warning for...
Northwestern Bibb County in central Georgia...
Butts County in central Georgia...
Jasper County in central Georgia...
Northwestern Jones County in central Georgia...
Monroe County in central Georgia...
Morgan County in north central Georgia...
Newton County in north central Georgia...
Walton County in north central Georgia...
Lamar County in west central Georgia...
Southeastern Spalding County in west central Georgia...
Northeastern Upson County in west central Georgia...
* Until 715 PM EDT.
* At 346 PM EDT, emergency management reported some washed out
roadways from previous heavy rain across portions of the warned
area. Between 2 and 3 inches of rain have fallen. Flash flooding
is expected to linger in some areas even after rain has ended or
decreased.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Macon, Griffin, Monroe, Covington, Barnesville, Jackson, Madison,
Forsyth, Monticello, Social Circle, Rutledge, Newborn, Flovilla,
North High Shoals, Milner, Mansfield, Jenkinsburg, Bostwick,
Yatesville and Good Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
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.
&&
LAT...LON 3329 8426 3330 8407 3339 8397 3340 8398
3345 8392 3346 8393 3391 8370 3392 8367
3380 8348 3350 8345 3344 8349 3343 8353
3337 8354 3331 8358 3304 8367 3283 8372
3286 8398 3285 8425
FLASH FLOOD...OBSERVED
$$280
WGUS72 KFFC 052302
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
702 PM EDT Tue Oct 5 2021
GAC021-035-159-169-171-207-211-217-255-293-297-052312-
/O.CAN.KFFC.FF.W.0039.000000T0000Z-211005T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bibb GA-Butts GA-Jasper GA-Jones GA-Lamar GA-Monroe GA-Morgan GA-
Newton GA-Spalding GA-Upson GA-Walton GA-
702 PM EDT Tue Oct 5 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN BIBB, BUTTS,
JASPER, NORTHWESTERN JONES, MONROE, MORGAN, NEWTON, WALTON, LAMAR,
SOUTHEASTERN SPALDING AND NORTHEASTERN UPSON COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 200 AM EDT Thursday for
north Georgia and portions of central Georgia.
LAT...LON 3329 8426 3330 8407 3339 8397 3340 8398
3345 8392 3346 8393 3391 8370 3392 8367
3380 8348 3350 8345 3344 8349 3343 8353
3337 8354 3331 8358 3304 8367 3283 8372
3286 8398 3285 8425
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 10:50 AM EDT | River Flood Warning | FFC | Chattahoochee, Muscogee | 19 hr |
| Oct 5, 11:11 AM EDT | River Flood Warning | FFC | Forsyth, Fulton | 35 hr |
| Oct 5, 11:36 AM EDT | River Flood Warning | FFC | Dade | 46 hr |
| Oct 5, 12:23 PM EDT | River Flood Warning | FFC | Chattooga | 21 hr |
| Oct 5, 12:28 PM EDT | Special Weather Statement | FFC | Bibb, Jones | 62 min |
| Oct 5, 12:40 PM EDT | River Flood Warning | FFC | Clarke, Greene, Oconee | 4 days |
| Oct 5, 2:25 PM EDT | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 4 days |
| Oct 5, 7:18 PM EDT | River Flood Warning | FFC | Jones | 17 hr |
Nearby
Flash Flood Warnings in Georgia, 2021Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.