Alert archive / Georgia / Flash Flood Warnings in 2019
Flash Flood Warning 29, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 21, 2019, 4:23 PM EDT for White County, Georgia. It was in force for 6 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 21, 2019, 4:23 PM EDT (20:23 UTC)
- Expired
- Aug 21, 2019, 10:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County White County, GA
The radar
The Greer radar (KGSP), 135 km from the middle of the area, began a volume at 20:22 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, 8.4 hours before the alert went out and 171 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
- 140 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
449
WGUS52 KFFC 212023
FFWFFC
GAC311-220215-
/O.NEW.KFFC.FF.W.0029.190821T2023Z-190822T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
423 PM EDT Wed Aug 21 2019
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northeastern White County in northeastern Georgia...
* Until 1015 PM EDT.
* At 422 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...
Helen, Unicoi State Park, Anna Ruby Falls, Smithgall Woods
Conservation Are, Robertstown and Sautee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3479 8368 3477 8365 3477 8364 3476 8363
3473 8362 3472 8364 3469 8364 3466 8366
3469 8378 3475 8379 3480 8376 3480 8373
3479 8370
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:36 PM EDT | Special Weather Statement | FFC | Wilkes | 24 min |
| Aug 21, 1:53 PM EDT | Special Weather Statement | FFC | Wheeler | 37 min |
| Aug 21, 3:48 PM EDT | Special Weather Statement | FFC | Johnson | 27 min |
| Aug 21, 4:04 PM EDT | Special Weather Statement | FFC | White | 41 min |
| Aug 21, 4:16 PM EDT | Special Weather Statement | FFC | Emanuel | 29 min |
| Aug 21, 4:28 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Johnson | 30 min |
| Aug 21, 5:28 PM EDT | Special Weather Statement | FFC | Pulaski | 32 min |
Nearby
Flash Flood Warnings in Georgia, 2019Every flash flood warning in 2019
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.