Alert archive / Georgia / Flash Flood Warnings in 2018
Flash Flood Warning 32, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 31, 2018, 8:17 PM EDT for Polk County, Georgia. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2018, 8:17 PM EDT (00:17 UTC)
- Expired
- Jul 31, 2018, 9:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Polk County, GA
The radar
The Atlanta radar (KFFC), 94 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 97 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
- 254 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
716
WGUS52 KFFC 010017
FFWFFC
GAC233-010115-
/O.NEW.KFFC.FF.W.0032.180801T0017Z-180801T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
817 PM EDT TUE JUL 31 2018
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Polk County in northwestern Georgia...
* Until 915 PM EDT.
* At 815 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area.
Estimates of three to four inches of rain have fallen. Flash
flooding is expected to continue.
* Some locations that will experience flooding include...
Cedartown, Rockmart, Aragon, Fish Creek, Etna, Esom Hill, Antioch
and Van Wert.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3408 8542 3408 8526 3410 8526 3410 8516
3408 8515 3408 8512 3410 8512 3410 8505
3408 8505 3408 8492 3396 8498 3395 8505
3392 8505 3393 8539
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 1:41 AM EDT | River Flood Warning | FFC | Gwinnett | 10 hr |
| Aug 1, 1:36 PM EDT | Special Weather Statement | FFC | Twiggs | 39 min |
| Aug 1, 2:15 PM EDT | Special Weather Statement | FFC | Baldwin | 45 min |
| Aug 1, 2:48 PM EDT | Special Weather Statement | FFC | Toombs | 42 min |
| Aug 1, 4:03 PM EDT | Special Weather Statement | FFC | Jefferson | 27 min |
| Aug 1, 4:12 PM EDT | Special Weather Statement | FFC | Madison | 33 min |
| Aug 1, 4:32 PM EDT | Special Weather Statement | FFC | Jefferson | 13 min |
| Aug 1, 7:18 PM EDT | Special Weather Statement | FFC | Oglethorpe, Taliaferro, Wilkes | 42 min |
| Aug 1, 7:21 PM EDT | Special Weather Statement | FFC | Oconee, Walton | 39 min |
| Aug 1, 7:24 PM EDT | Tornado Warning | FFC | Morgan, Newton, Walton | 36 min |
| Aug 1, 7:46 PM EDT | River Flood Warning | FFC | Gwinnett | 3 hr |
| Aug 1, 7:58 PM EDT | Special Weather Statement | FFC | Clarke, Oconee | 47 min |
Nearby
Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018
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.