Alert archive / Georgia / Flash Flood Warnings in 2017
Flash Flood Warning 46, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 25, 2017, 6:56 PM EDT for Montgomery County, Georgia. It was in force for 6 hr. 1 report 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
- Aug 25, 2017, 6:56 PM EDT (22:56 UTC)
- Expired
- Aug 26, 2017, 1:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Montgomery County, GA
The radar
The Robins AFB radar (KJGX), 97 km from the middle of the area, began a volume at 22:56 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 |
|---|---|---|---|
| Aug 25, 8:00 PM EDT | FLASH FLOOD | 2 Sse Kibbee, GA | ROAD WASHED OUT ON OLD KIBBEE RD S. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 10.9 hours before the alert went out and 199 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
- 1022 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- -35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
987 WGUS52 KFFC 252256 FFWFFC GAC209-260500- /O.NEW.KFFC.FF.W.0046.170825T2256Z-170826T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Peachtree City GA 656 PM EDT FRI AUG 25 2017 The National Weather Service in Peachtree City has issued a * Flash Flood Warning for... Central Montgomery County in central Georgia... * Until 100 AM EDT Saturday * At 655 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to three inches of rain have already fallen. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Mount Vernon, Uvalda, Ailey, Higgston and Alston. Additional rainfall amounts of an inch are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. If you see significant flooding call the National Weather Service toll free at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA. && LAT...LON 3205 8260 3228 8260 3228 8243 3204 8247 $$
1 follow-up statement
763 WGUS72 KFFC 260207 FFSFFC Flash Flood Statement National Weather Service Peachtree City GA 1007 PM EDT FRI AUG 25 2017 GAC209-260217- /O.CAN.KFFC.FF.W.0046.000000T0000Z-170826T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Montgomery GA- 1007 PM EDT FRI AUG 25 2017 ...THE FLASH FLOOD WARNING FOR CENTRAL MONTGOMERY COUNTY IS CANCELLED... The heavy rain has ended. Flooding is no longer expected to pose a threat. LAT...LON 3205 8260 3228 8260 3228 8243 3204 8247 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 5:35 PM EDT | Special Weather Statement | FFC | Montgomery, Wheeler | 40 min |
| Aug 25, 6:26 PM EDT | Special Weather Statement | FFC | Wheeler | 49 min |
| Aug 25, 6:49 PM EDT | Special Weather Statement | FFC | Toombs | 41 min |
| Aug 25, 7:07 PM EDT | Special Weather Statement | FFC | Telfair | 53 min |
Nearby
Flash Flood Warnings in Georgia, 2017Every flash flood warning in 2017
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.