Alert archive / Georgia / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 256, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 12, 2014, 6:07 PM EDT for Walton County, Georgia. It was in force for 38 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
- Sep 12, 2014, 6:07 PM EDT (22:07 UTC)
- Expired
- Sep 12, 2014, 6:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
County Walton County, GA
The radar
The Atlanta radar (KFFC), 101 km from the middle of the area, began a volume at 22:07 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, 10.1 hours before the alert went out and 95 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
- 603 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
553
WUUS52 KFFC 122207
SVRFFC
GAC297-122245-
/O.NEW.KFFC.SV.W.0256.140912T2207Z-140912T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
607 PM EDT FRI SEP 12 2014
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 645 PM EDT
* AT 605 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
MPH. THIS STORM WAS LOCATED NEAR MONROE...MOVING SOUTHEAST AT 5
TO 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GOOD
HOPE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING AND AWAY FROM WINDOWS.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN 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 3390 8365 3391 8364 3389 8362 3387 8358
3385 8357 3382 8351 3367 8363 3380 8382
3390 8376 3390 8373 3391 8368
TIME...MOT...LOC 2207Z 302DEG 4KT 3382 8371
$$1 follow-up statement
670
WWUS52 KFFC 122239
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
639 PM EDT FRI SEP 12 2014
GAC297-122245-
/O.CON.KFFC.SV.W.0256.000000T0000Z-140912T2245Z/
WALTON GA-
639 PM EDT FRI SEP 12 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR EASTERN WALTON COUNTY...
AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A STRONG THUNDERSTORM THAT STRETCHED FROM BETWEEN TO NEAR
MONROE AND GOOD HOPE...AND MOVING EAST TO SOUTHEAST AT 5 MPH. THIS
STORM IS WEAKENING AND THE WARNING IS EXPECTED TO BE ALLOWED TO
EXPIRE AT 645 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ALTHOUGH THE WIND THREAT HAS GREATLY DIMINISHED... OCCASIONAL CLOUD
TO GROUND LIGHTNING AND VERY HEAVY RAIN CAN STILL BE EXPECTED...
POSSIBLY CAUSING SOME MINOR FLOODING. ALSO REMEMBER... LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT NWSATLANTA.
&&
LAT...LON 3390 8365 3391 8364 3389 8362 3387 8358
3385 8357 3382 8351 3367 8363 3380 8382
3390 8376 3390 8373 3391 8368
TIME...MOT...LOC 2234Z 302DEG 4KT 3380 8368
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 9:46 PM EDT | Special Weather Statement | FFC | Floyd | 59 min |
| Sep 12, 8:09 AM EDT | Flash Flood Warning | FFC | DeKalb, Fulton, Gwinnett | 6 hr |
| Sep 12, 2:47 PM EDT | Special Weather Statement | FFC | White | 28 min |
| Sep 12, 2:56 PM EDT | Special Weather Statement | FFC | Heard | 34 min |
| Sep 12, 3:25 PM EDT | Special Weather Statement | FFC | Lumpkin, White | 35 min |
| Sep 12, 4:11 PM EDT | Special Weather Statement | FFC | Floyd | 34 min |
| Sep 12, 4:29 PM EDT | Special Weather Statement | FFC | White | 31 min |
| Sep 12, 4:40 PM EDT | Special Weather Statement | FFC | Paulding | 35 min |
| Sep 12, 4:55 PM EDT | Special Weather Statement | FFC | DeKalb | 35 min |
| Sep 12, 4:58 PM EDT | Special Weather Statement | FFC | Clayton | 32 min |
| Sep 12, 5:28 PM EDT | Special Weather Statement | FFC | Gwinnett | 32 min |
| Sep 12, 5:36 PM EDT | Special Weather Statement | FFC | Rockdale | 24 min |
| Sep 12, 5:41 PM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 49 min |
| Sep 12, 5:50 PM EDT | Special Weather Statement | FFC | Paulding, Polk | 40 min |
| Sep 12, 6:03 PM EDT | Special Weather Statement | FFC | Douglas | 27 min |
| Sep 12, 6:22 PM EDT | Special Weather Statement | FFC | Fayette | 23 min |
| Sep 12, 6:41 PM EDT | Special Weather Statement | FFC | Oglethorpe | 34 min |
| Sep 12, 6:50 PM EDT | Special Weather Statement | FFC | Fulton | 25 min |
| Sep 12, 7:11 PM EDT | Special Weather Statement | FFC | Oconee | 34 min |
| Sep 12, 7:26 PM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 34 min |
| Sep 12, 7:59 PM EDT | Special Weather Statement | FFC | Harris | 31 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2014Every severe thunderstorm warning in 2014
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.