Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 321, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 1, 2012, 10:53 PM EDT for 4 counties in Georgia. It was in force for 52 min. 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 1, 2012, 10:53 PM EDT (02:53 UTC)
- Expired
- Aug 1, 2012, 11:45 PM EDT
- In force
- 52 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Catoosa County, GA, Dade County, GA, Walker County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 71 km from the middle of the area, began a volume at 02:55 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 1, 11:15 PM EDT | TSTM WND DMG | Wildwood, GA | LAW ENFORCEMENT REPORTED SEVERAL TREES DOWN IN THE WILDWOOD AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.9 hours before the alert went out and 182 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
- 1449 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1724 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
190
WUUS52 KFFC 020253
SVRFFC
GAC047-083-295-313-020345-
/O.NEW.KFFC.SV.W.0321.120802T0253Z-120802T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1053 PM EDT WED AUG 1 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CATOOSA COUNTY IN NORTHWEST GEORGIA
DADE COUNTY IN NORTHWEST GEORGIA
WALKER COUNTY IN NORTHWEST GEORGIA
WEST CENTRAL WHITFIELD COUNTY IN NORTHWEST GEORGIA
* UNTIL 1145 PM EDT
* AT 1052 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 9 MILES NORTH OF FORT OGLETHORPE TO
LOOKOUT MOUNTAIN TO 9 MILES NORTHWEST OF TRENTON...MOVING SOUTHEAST
AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHICKAMAUGA...RINGGOLD...TUNNEL HILL...VARNELL AND LAFAYETTE.
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 3499 8504 3484 8492 3469 8518 3465 8548
3479 8558 3498 8561 3499 8560
TIME...MOT...LOC 0253Z 326DEG 16KT 3508 8525 3498 8542
3498 8559
$$1 follow-up statement
028
WWUS52 KFFC 020324
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1124 PM EDT WED AUG 1 2012
GAC047-083-295-313-020345-
/O.CON.KFFC.SV.W.0321.000000T0000Z-120802T0345Z/
WHITFIELD GA-WALKER GA-CATOOSA GA-DADE GA-
1124 PM EDT WED AUG 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR DADE...CATOOSA...WALKER AND WEST CENTRAL WHITFIELD COUNTIES...
AT 1120 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF
BALL SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM INDIAN SPRINGS TO CHICKAMAUGA TO
TRENTON...MOVING SOUTHEAST AT 20 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BOYNTON...CLOUDLAND CANYON STATE PARK...BLUE SPRING...RINGGOLD...
RISING FAWN...COOPER HEIGHTS...ROCK SPRING...BEAUMONT...CEDAR
GROVE...ROCKY FACE...TUNNEL HILL...WOOD STATION...NAOMI...
LAFAYETTE...LINWOOD AND NOBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3489 8558 3493 8547 3498 8517 3484 8492
3469 8518 3465 8548 3479 8558
TIME...MOT...LOC 0325Z 326DEG 16KT 3496 8515 3486 8532
3486 8549
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:08 PM EDT | Special Weather Statement | FFC | Crisp | 37 min |
| Aug 1, 8:31 PM EDT | Special Weather Statement | FFC | Fannin | 44 min |
| Aug 1, 8:46 PM EDT | Special Weather Statement | FFC | Murray | 44 min |
| Aug 1, 9:04 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Murray, Whitfield | 41 min |
| Aug 1, 9:11 PM EDT | Special Weather Statement | FFC | Fannin | 49 min |
| Aug 1, 9:48 PM EDT | Special Weather Statement | FFC | Whitfield | 57 min |
| Aug 1, 10:15 PM EDT | Special Weather Statement | FFC | Dade | 60 min |
| Aug 1, 11:11 PM EDT | Special Weather Statement | FFC | Bartow | 49 min |
| Aug 1, 11:51 PM EDT | Special Weather Statement | FFC | Chattooga | 39 min |
| Aug 2, 12:44 PM EDT | Special Weather Statement | FFC | Crisp, Dooly | 31 min |
| Aug 2, 12:49 PM EDT | Special Weather Statement | FFC | Dodge | 26 min |
| Aug 2, 12:55 PM EDT | Special Weather Statement | FFC | Montgomery, Treutlen | 50 min |
| Aug 2, 1:15 PM EDT | Special Weather Statement | FFC | Sumter | 30 min |
| Aug 2, 1:27 PM EDT | Special Weather Statement | FFC | Jefferson | 48 min |
| Aug 2, 1:43 PM EDT | Special Weather Statement | FFC | Houston | 47 min |
| Aug 2, 1:59 PM EDT | Special Weather Statement | FFC | Wilcox | 46 min |
| Aug 2, 2:00 PM EDT | Special Weather Statement | FFC | Telfair | 45 min |
| Aug 2, 2:02 PM EDT | Special Weather Statement | FFC | Wheeler | 43 min |
| Aug 2, 2:04 PM EDT | Severe Thunderstorm Warning | FFC | Dodge, Wilcox | 41 min |
| Aug 2, 2:11 PM EDT | Special Weather Statement | FFC | Jenkins | 49 min |
| Aug 2, 2:16 PM EDT | Special Weather Statement | FFC | Toombs | 29 min |
| Aug 2, 2:29 PM EDT | Special Weather Statement | FFC | Talbot | 46 min |
| Aug 2, 2:39 PM EDT | Special Weather Statement | FFC | Laurens, Telfair, Toombs, Wheeler | 51 min |
| Aug 2, 2:54 PM EDT | Special Weather Statement | FFC | Johnson | 51 min |
| Aug 2, 3:02 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Jefferson, Johnson, Washington | 43 min |
| Aug 2, 3:33 PM EDT | Special Weather Statement | FFC | Macon, Taylor | 27 min |
| Aug 2, 3:36 PM EDT | Severe Thunderstorm Warning | FFC | Macon, Schley, Taylor | 39 min |
| Aug 2, 3:37 PM EDT | Special Weather Statement | FFC | Twiggs, Wilkinson | 38 min |
| Aug 2, 3:55 PM EDT | Special Weather Statement | FFC | Laurens | 50 min |
| Aug 2, 3:58 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 16 min |
| Aug 2, 4:13 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley | 24 min |
| Aug 2, 4:40 PM EDT | Special Weather Statement | FFC | Webster | 35 min |
| Aug 2, 5:22 PM EDT | Special Weather Statement | FFC | Marion, Stewart | 38 min |
| Aug 2, 5:32 PM EDT | Special Weather Statement | FFC | Spalding | 43 min |
| Aug 2, 6:13 PM EDT | Special Weather Statement | FFC | Fulton | 32 min |
| Aug 2, 6:33 PM EDT | Special Weather Statement | FFC | Lamar, Spalding | 42 min |
| Aug 2, 6:53 PM EDT | Special Weather Statement | FFC | Fulton | 37 min |
| Aug 2, 7:56 PM EDT | Special Weather Statement | FFC | DeKalb | 49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.