Alert archive / Georgia / Flash Flood Warnings in 2015
Flash Flood Warning 23, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 30, 2015, 5:45 PM EDT for Hall County, Lumpkin County, White County, Georgia. It was in force for 4 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
- Sep 30, 2015, 5:45 PM EDT (21:45 UTC)
- Expired
- Sep 30, 2015, 9:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hall County, GA, Lumpkin County, GA, White County, GA
The radar
The Atlanta radar (KFFC), 141 km from the middle of the area, began a volume at 21:49 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, 9.8 hours before the alert went out and 138 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
- 215 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
978
WGUS52 KFFC 302145
FFWFFC
GAC139-187-311-010145-
/O.NEW.KFFC.FF.W.0023.150930T2145Z-151001T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
545 PM EDT WED SEP 30 2015
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA...
NORTHEASTERN HALL COUNTY IN NORTH CENTRAL GEORGIA...
SOUTHWESTERN WHITE COUNTY IN NORTHEASTERN GEORGIA...
* UNTIL 945 PM EDT
* AT 544 PM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
A THUNDERSTORM PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. TWO TO
THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DAHLONEGA...CLEVELAND...CLERMONT...GARLAND AND MURRAYVILLE.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 ARE POSSIBLE IN THE WARNED
AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
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 WARNING AT
NWSATLANTA.
&&
LAT...LON 3440 8369 3440 8394 3448 8398 3459 8397
3460 8372
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 8:09 PM EDT | Special Weather Statement | FFC | Bartow, Cherokee, Polk | 51 min |
| Sep 29, 8:44 PM EDT | Special Weather Statement | FFC | Polk | 46 min |
| Sep 29, 9:12 PM EDT | Special Weather Statement | FFC | Bartow | 33 min |
| Sep 29, 11:03 PM EDT | Special Weather Statement | FFC | Emanuel | 42 min |
| Sep 30, 12:55 AM EDT | Dense Fog Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 82 more | 9 hr |
| Sep 30, 4:32 PM EDT | Special Weather Statement | FFC | Hall | 43 min |
| Sep 30, 5:09 PM EDT | Special Weather Statement | FFC | Lumpkin | 51 min |
| Sep 30, 7:20 PM EDT | Special Weather Statement | FFC | Madison | 40 min |
Nearby
Flash Flood Warnings in Georgia, 2015Every flash flood warning in 2015
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.