Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 115, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 17, 2012, 9:01 PM EDT for Carroll County, Douglas County, Fulton County, Georgia. It was in force for 44 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
- May 17, 2012, 9:01 PM EDT (01:01 UTC)
- Expired
- May 17, 2012, 9:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Carroll County, GA, Douglas County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 39 km from the middle of the area, began a volume at 01:01 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, 1.0 hours before the alert went out and 43 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
- 57 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 2205 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
104
WUUS52 KFFC 180101
SVRFFC
GAC045-097-121-180145-
/O.NEW.KFFC.SV.W.0115.120518T0101Z-120518T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
901 PM EDT THU MAY 17 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA
EAST CENTRAL CARROLL COUNTY IN NORTHWEST GEORGIA
* UNTIL 945 PM EDT
* AT 857 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST OF CHATTAHOOCHEE
HILL COUNTRY TO 7 MILES NORTH OF CHATTAHOOCHEE HILL COUNTRY TO
CHATTAHOOCHEE HILL COUNTRY...MOVING SOUTHWEST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FAIRPLAY...TREASURE LAKE...HANNAH...BYERS CROSSROADS...SEATON LAKE
AND CLEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3374 8483 3371 8468 3358 8465 3352 8476
3353 8506 3370 8496
TIME...MOT...LOC 0102Z 055DEG 14KT 3368 8484 3366 8475
3359 8472
$$1 follow-up statement
695
WWUS52 KFFC 180127
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
927 PM EDT THU MAY 17 2012
GAC121-180136-
/O.CAN.KFFC.SV.W.0115.000000T0000Z-120518T0145Z/
FULTON GA-
927 PM EDT THU MAY 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FULTON COUNTY IS
CANCELLED...
THE SEVERE STORM THAT WAS OVER PARTS OF SOUTHWEST FULTON COUNTY HAS
MOVED WEST INTO DOUGLAS COUNTY AND NO LONGER THREATENS SOUTHWEST
FULTON COUNTY.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
LAT...LON 3370 8496 3374 8483 3371 8468 3366 8467
3362 8474 3363 8475 3360 8480 3355 8483
3352 8482 3353 8506
TIME...MOT...LOC 0126Z 055DEG 14KT 3363 8493 3361 8484
3354 8481
$$
GAC045-097-180145-
/O.CON.KFFC.SV.W.0115.000000T0000Z-120518T0145Z/
CARROLL GA-DOUGLAS GA-
927 PM EDT THU MAY 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR SOUTHERN DOUGLAS AND EAST CENTRAL CARROLL COUNTIES...
AT 922 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM TREASURE LAKE TO FAIRPLAY TO
BYERS CROSSROADS...MOVING SOUTHWEST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HANNAH...SEATON LAKE AND CLEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3370 8496 3374 8483 3371 8468 3366 8467
3362 8474 3363 8475 3360 8480 3355 8483
3352 8482 3353 8506
TIME...MOT...LOC 0126Z 055DEG 14KT 3363 8493 3361 8484
3354 8481
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:19 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Douglas, Fulton | 41 min |
| May 17, 8:20 PM EDT | Special Weather Statement | FFC | Fayette | 25 min |
| May 17, 8:56 PM EDT | Special Weather Statement | FFC | Forsyth | 49 min |
| May 17, 8:59 PM EDT | Special Weather Statement | FFC | Douglas | 46 min |
| May 17, 9:06 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Forsyth | 39 min |
| May 17, 10:00 PM EDT | Special Weather Statement | FFC | Heard | 30 min |
| May 18, 1:44 PM EDT | Special Weather Statement | FFC | Murray | 31 min |
| May 18, 1:54 PM EDT | Special Weather Statement | FFC | Gilmer, Murray | 51 min |
| May 18, 2:46 PM EDT | Special Weather Statement | FFC | Gordon | 44 min |
| May 18, 3:00 PM EDT | Special Weather Statement | FFC | Gilmer | 45 min |
| May 18, 3:19 PM EDT | Special Weather Statement | FFC | Fannin, Gilmer, Towns, Union | 26 min |
| May 18, 3:49 PM EDT | Special Weather Statement | FFC | Fannin, Union | 26 min |
| May 18, 3:52 PM EDT | Special Weather Statement | FFC | Gordon | 38 min |
| May 18, 5:30 PM EDT | Special Weather Statement | FFC | Bartow, Floyd | 45 min |
| May 18, 6:29 PM EDT | Special Weather Statement | FFC | Dade, Walker | 46 min |
| May 18, 7:07 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 23 min |
| May 18, 7:27 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 33 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012
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.