Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 45, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 25, 2020, 2:23 PM EDT for Haralson County, Polk County, Georgia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2020, 2:23 PM EDT (18:23 UTC)
- Expired
- Aug 25, 2020, 4:32 PM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Haralson County, GA, Polk County, GA
The radar
The Atlanta radar (KFFC), 73 km from the middle of the area, began a volume at 18:24 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 12:00Z, 6.4 hours before the alert went out and 77 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
- 41 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
872
WGUS52 KFFC 251823
FFWFFC
GAC143-233-260030-
/O.NEW.KFFC.FF.W.0045.200825T1823Z-200826T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
223 PM EDT Tue Aug 25 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northeastern Haralson County in northwestern Georgia...
Southeastern Polk County in northwestern Georgia...
* Until 830 PM EDT Tuesday.
* At 223 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Buchanan, Eubank Lake and Draketown.
LAT...LON 3388 8523 3397 8502 3395 8502 3395 8505
3390 8505 3390 8504 3384 8504 3381 8504
3381 8505 3379 8505 3375 8517 3375 8519
3374 8518 3375 8520
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
681
WGUS72 KFFC 252032
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
432 PM EDT Tue Aug 25 2020
GAC143-233-252042-
/O.CAN.KFFC.FF.W.0045.000000T0000Z-200826T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Haralson GA-Polk GA-
432 PM EDT Tue Aug 25 2020
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN HARALSON AND
SOUTHEASTERN POLK COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3388 8523 3397 8502 3395 8502 3395 8505
3390 8505 3390 8504 3384 8504 3381 8504
3381 8505 3379 8505 3375 8517 3375 8519
3374 8518 3375 8520
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 8:07 PM EDT | Special Weather Statement | FFC | Pulaski | 23 min |
| Aug 24, 8:35 PM EDT | Special Weather Statement | FFC | Pulaski | 25 min |
| Aug 24, 8:49 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 26 min |
| Aug 24, 9:03 PM EDT | Special Weather Statement | FFC | Pulaski | 27 min |
| Aug 24, 9:17 PM EDT | Special Weather Statement | FFC | Wheeler | 28 min |
| Aug 24, 9:21 PM EDT | Special Weather Statement | FFC | Treutlen | 24 min |
| Aug 24, 9:41 PM EDT | Special Weather Statement | FFC | Telfair | 34 min |
| Aug 24, 9:51 PM EDT | Special Weather Statement | FFC | Treutlen | 24 min |
| Aug 24, 9:53 PM EDT | Special Weather Statement | FFC | Toombs | 37 min |
| Aug 24, 10:33 PM EDT | Special Weather Statement | FFC | Toombs | 27 min |
| Aug 24, 11:02 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 28 min |
| Aug 24, 11:29 PM EDT | Special Weather Statement | FFC | Emanuel, Montgomery, Toombs | 31 min |
| Aug 24, 11:57 PM EDT | Special Weather Statement | FFC | Emanuel | 33 min |
| Aug 25, 12:29 AM EDT | Special Weather Statement | FFC | Emanuel | 31 min |
| Aug 25, 2:43 AM EDT | Special Weather Statement | FFC | Montgomery, Wheeler | 32 min |
| Aug 25, 3:21 AM EDT | Special Weather Statement | FFC | Montgomery, Treutlen, Wheeler | 24 min |
| Aug 25, 8:39 AM EDT | Flash Flood Warning | FFC | Pike, Spalding | 6 hr |
| Aug 25, 9:26 AM EDT | Flash Flood Warning | FFC | Coweta, Fayette, Meriwether | 3 hr |
| Aug 25, 10:07 AM EDT | Flash Flood Warning | FFC | DeKalb, Henry, Rockdale, Spalding | 4 hr |
| Aug 25, 10:56 AM EDT | Special Weather Statement | FFC | Barrow, Gwinnett | 64 min |
| Aug 25, 12:10 PM EDT | River Flood Warning | FFC | Spalding | 3 hr |
| Aug 25, 12:59 PM EDT | Special Weather Statement | FFC | Haralson | 31 min |
| Aug 25, 1:41 PM EDT | Special Weather Statement | FFC | Paulding | 34 min |
| Aug 25, 6:22 PM EDT | Special Weather Statement | FFC | Toombs | 23 min |
| Aug 25, 6:27 PM EDT | Severe Thunderstorm Warning | FFC | Toombs | 48 min |
Nearby
Flash Flood Warnings in Georgia, 2020Every flash flood warning in 2020
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.