Alert archive / Georgia / Special Weather Statements in 2012
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 7, 2012, 7:17 PM EDT for Hall County, Georgia. It was in force for 28 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 7, 2012, 7:17 PM EDT (23:17 UTC)
- Expired
- Aug 7, 2012, 7:45 PM EDT
- In force
- 28 min
- Issued by
- NWS Atlanta, GA
County Hall County, GA
The radar
The Atlanta radar (KFFC), 119 km from the middle of the area, began a volume at 23:19 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 115 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
- 717 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
466
WWUS82 KFFC 072317
SPSFFC
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
717 PM EDT TUE AUG 7 2012
GAZ022-023-072345-
717 PM EDT TUE AUG 7 2012
...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 40 MPH WINDS
IN FORSYTH AND HALL COUNTIES UNTIL 745 PM EDT...
AT 715 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FLOWERY BRANCH...MOVING NORTH AT 5 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
FORSYTH AND HALL COUNTIES THROUGH 745 PM EDT. SOME LOCATIONS IN THE
PATH OF THIS STORM INCLUDE CHESTNUT MOUNTAIN...ROAD ATLANTA-LANIER
SPEEDWAY...AQUALAND PARK...LAKE LANIER ISLANDS...FLOWERY BRANCH...
OSCARVILLE...OAKWOOD...CANDLER...GAINESVILLE AND CHESTATEE. 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 3432 8365 3430 8362 3413 8381 3410 8386
3410 8388 3417 8406 3433 8400 3434 8396
3435 8398 3439 8398
TIME...MOT...LOC 2317Z 202DEG 4KT 3421 8392
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:11 AM EDT | Special Weather Statement | FFC | Union | 34 min |
| Aug 7, 2:21 PM EDT | Special Weather Statement | FFC | Cherokee | 24 min |
| Aug 7, 3:36 PM EDT | Special Weather Statement | FFC | Cobb | 39 min |
| Aug 7, 4:15 PM EDT | Special Weather Statement | FFC | Toombs | 30 min |
| Aug 7, 4:32 PM EDT | Special Weather Statement | FFC | Montgomery, Telfair, Wheeler | 28 min |
| Aug 7, 4:40 PM EDT | Special Weather Statement | FFC | Wilkes | 35 min |
| Aug 7, 4:44 PM EDT | Special Weather Statement | FFC | Toombs | 16 min |
| Aug 7, 4:52 PM EDT | Special Weather Statement | FFC | Union | 38 min |
| Aug 7, 4:58 PM EDT | Special Weather Statement | FFC | Montgomery, Telfair, Toombs, Wheeler | 32 min |
| Aug 7, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Montgomery, Wheeler | 43 min |
| Aug 7, 5:09 PM EDT | Special Weather Statement | FFC | Wilkes | 36 min |
| Aug 7, 5:20 PM EDT | Special Weather Statement | FFC | Emanuel | 25 min |
| Aug 7, 5:49 PM EDT | Special Weather Statement | FFC | Laurens | 26 min |
| Aug 7, 5:59 PM EDT | Special Weather Statement | FFC | Johnson | 31 min |
| Aug 7, 6:22 PM EDT | Special Weather Statement | FFC | Johnson | 23 min |
| Aug 7, 6:57 PM EDT | Special Weather Statement | FFC | Glascock | 33 min |
| Aug 7, 7:05 PM EDT | Special Weather Statement | FFC | Washington | 25 min |
| Aug 7, 7:34 PM EDT | Special Weather Statement | FFC | Glascock, Washington | 86 min |
| Aug 7, 7:56 PM EDT | Special Weather Statement | FFC | Banks, Madison | 49 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.