Alert archive / Georgia / Special Weather Statements in 2012
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 4, 2012, 7:18 PM EDT for Barrow County, Jackson County, Georgia. It was in force for 27 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
- Aug 4, 2012, 7:18 PM EDT (23:18 UTC)
- Expired
- Aug 4, 2012, 7:45 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
Counties Barrow County, GA, Jackson County, GA
The radar
The Atlanta radar (KFFC), 114 km from the middle of the area, began a volume at 23:21 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, 11.3 hours before the alert went out and 109 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
- 975 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
526
WWUS82 KFFC 042318
SPSFFC
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
718 PM EDT SAT AUG 4 2012
GAZ023-025-035-042345-
718 PM EDT SAT AUG 4 2012
...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN BARROW...HALL AND
JACKSON COUNTIES UNTIL 745 PM EDT...
AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PENDERGRASS...MOVING NORTHWEST AT 20 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS BARROW...HALL
AND JACKSON COUNTIES THROUGH 745 PM EDT. SOME LOCATIONS IN THE PATH
OF THIS STORM INCLUDE COUNTY LINE...WINDER...STATHAM...RUSSELL...
ARCADE...JEFFERSON...HOSCHTON...BRASELTON...PENDERGRASS...CHATEAU
ELAN...THOMPSONS MILL...TALMO...ROAD ATLANTA-LANIER
SPEEDWAY...CANDLER AND CHESTNUT MOUNTAIN. HEAVY DOWNPOURS WILL CAUSE
PONDING OF WATER ON ROADWAYS.
&&
LAT...LON 3403 8346 3393 8366 3409 8384 3412 8382
3411 8386 3420 8396 3437 8375
TIME...MOT...LOC 2318Z 140DEG 18KT 3410 8367
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:17 PM EDT | Special Weather Statement | FFC | Greene | 43 min |
| Aug 3, 8:32 PM EDT | Special Weather Statement | FFC | Henry | 28 min |
| Aug 3, 8:46 PM EDT | Special Weather Statement | FFC | Hall | 44 min |
| Aug 3, 8:55 PM EDT | Special Weather Statement | FFC | Pike | 50 min |
| Aug 3, 9:10 PM EDT | Special Weather Statement | FFC | Johnson | 50 min |
| Aug 3, 9:31 PM EDT | Special Weather Statement | FFC | Spalding | 44 min |
| Aug 3, 9:49 PM EDT | Special Weather Statement | FFC | Hall | 41 min |
| Aug 3, 10:05 PM EDT | Special Weather Statement | FFC | Jefferson | 40 min |
| Aug 4, 12:34 AM EDT | Special Weather Statement | FFC | Putnam | 26 min |
| Aug 4, 1:00 AM EDT | Special Weather Statement | FFC | Hancock, Putnam | 30 min |
| Aug 4, 2:43 PM EDT | Special Weather Statement | FFC | Floyd | 62 min |
| Aug 4, 3:11 PM EDT | Special Weather Statement | FFC | Polk | 49 min |
| Aug 4, 3:57 PM EDT | Special Weather Statement | FFC | Polk | 33 min |
| Aug 4, 5:02 PM EDT | Special Weather Statement | FFC | Haralson, Polk | 43 min |
| Aug 4, 7:27 PM EDT | Special Weather Statement | FFC | Douglas | 33 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.