Alert archive / Georgia / Special Weather Statements in 2012
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Jul 7, 2012, 5:29 PM EDT for Barrow County, Georgia. It was in force for 31 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
- Jul 7, 2012, 5:29 PM EDT (21:29 UTC)
- Expired
- Jul 7, 2012, 6:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Atlanta, GA
County Barrow County, GA
The radar
The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 21:28 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, 9.5 hours before the alert went out and 83 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
- 129 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
530 WWUS82 KFFC 072129 SPSFFC SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 529 PM EDT SAT JUL 7 2012 GAZ034-035-047-072200- 529 PM EDT SAT JUL 7 2012 ...SIGNIFICANT WEATHER ADVISORY FOR 45 MPH WINDS IN WALTON...BARROW AND GWINNETT COUNTIES UNTIL 600 PM EDT... AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER BOLD SPRINGS...MOVING NORTHWEST AT 5 MPH. THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 45 MPH AS IT MOVES ACROSS WALTON...BARROW AND GWINNETT COUNTIES THROUGH 600 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE WINDSOR... NICHOLASVILLE...BOLD SPRINGS...FORT YARGO STATE PARK...RUSSELL... BETHLEHEM...CARL...HARBIN...AUBURN...HOG MOUNTAIN...LAWRENCEVILLE... GRAYSON AND DACULA. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS. THESE WIND GUSTS MAY PRODUCE MINOR DAMAGE TO TREE LIMBS AND BLOW LIGHT...UNSECURED OBJECTS AROUND. && LAT...LON 3389 8406 3409 8396 3398 8368 3381 8377 TIME...MOT...LOC 2129Z 112DEG 6KT 3393 8383 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 8:06 PM EDT | Special Weather Statement | FFC | Floyd | 24 min |
| Jul 6, 8:07 PM EDT | Special Weather Statement | FFC | Paulding | 23 min |
| Jul 6, 8:16 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 44 min |
| Jul 6, 8:34 PM EDT | Special Weather Statement | FFC | Coweta | 41 min |
| Jul 6, 8:35 PM EDT | Special Weather Statement | FFC | Cobb | 25 min |
| Jul 6, 8:49 PM EDT | Special Weather Statement | FFC | Crawford | 41 min |
| Jul 6, 8:56 PM EDT | Special Weather Statement | FFC | Polk | 34 min |
| Jul 6, 9:03 PM EDT | Special Weather Statement | FFC | Meriwether | 42 min |
| Jul 6, 9:53 PM EDT | Special Weather Statement | FFC | Heard | 52 min |
| Jul 6, 10:51 PM EDT | Special Weather Statement | FFC | Troup | 39 min |
| Jul 6, 10:53 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Troup | 52 min |
| Jul 6, 11:52 PM EDT | Special Weather Statement | FFC | Muscogee | 38 min |
| Jul 7, 2:09 AM EDT | Special Weather Statement | FFC | Macon | 36 min |
| Jul 7, 2:53 AM EDT | Special Weather Statement | FFC | Marion, Schley | 52 min |
| Jul 7, 5:58 PM EDT | Special Weather Statement | FFC | Gwinnett | 32 min |
| Jul 7, 6:26 PM EDT | Special Weather Statement | FFC | Cherokee | 34 min |
| Jul 7, 6:36 PM EDT | Special Weather Statement | FFC | Floyd | 24 min |
| Jul 7, 7:00 PM EDT | Special Weather Statement | FFC | Pickens | 30 min |
Nearby
Special Weather Statements in Georgia, 2012Every special weather statement 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.