Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

July 26, 2012Wilkinson County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 26, 2012, 7:13 PM EDT for Wilkinson County, Georgia. It was in force for 32 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 26, 2012, 7:13 PM EDT (23:13 UTC)
Expired
Jul 26, 2012, 7:45 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA

County Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 24 km from the middle of the area, began a volume at 23:16 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, 11.2 hours before the alert went out and 120 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1583 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -90 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1583 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-90 m²/s²
0-3 km storm-relative helicity
-45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

567 
WWUS82 KFFC 262313
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
713 PM EDT THU JUL 26 2012

GAZ073-083-084-262345-
713 PM EDT THU JUL 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 45 MPH WINDS
IN TWIGGS...WILKINSON AND BALDWIN COUNTIES UNTIL 745 PM EDT...

AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER GORDON...MOVING NORTH 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
TWIGGS...WILKINSON AND BALDWIN COUNTIES THROUGH 745 PM EDT. SOME
LOCATIONS IN THE PATH OF THIS STORM INCLUDE MYRICKS MILL...GORDON...
IVEY...PANCRAS AND COOPERS. HEAVY DOWNPOURS WILL CAUSE PONDING OF
WATER ON ROADWAYS.

&&

LAT...LON 3274 8328 3281 8347 3288 8345 3293 8336
      3303 8339 3306 8338 3297 8313
TIME...MOT...LOC 2313Z 202DEG 5KT 3285 8334

$$

16

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 4:14 AM EDTHeat AdvisoryFFCBaldwin, Bibb, Bleckley, Chattahoochee, Clarke, Crawford and 43 more17 hr
Jul 26, 4:18 PM EDTSpecial Weather StatementFFCTreutlen27 min
Jul 26, 4:55 PM EDTSpecial Weather StatementFFCWebster35 min
Jul 26, 5:20 PM EDTSpecial Weather StatementFFCCrawford25 min
Jul 26, 6:01 PM EDTSpecial Weather StatementFFCMuscogee29 min
Jul 26, 6:02 PM EDTSpecial Weather StatementFFCTalbot28 min
Jul 26, 6:11 PM EDTSevere Thunderstorm WarningFFCTalbot, Taylor34 min
Jul 26, 6:27 PM EDTSpecial Weather StatementFFCMeriwether33 min
Jul 26, 6:30 PM EDTSpecial Weather StatementFFCChattahoochee30 min
Jul 26, 6:38 PM EDTSevere Thunderstorm WarningFFCTaylor52 min
Jul 26, 6:53 PM EDTSpecial Weather StatementFFCStewart37 min
Jul 26, 6:56 PM EDTSpecial Weather StatementFFCUpson34 min
Jul 26, 7:12 PM EDTSpecial Weather StatementFFCBibb33 min
Jul 26, 7:29 PM EDTSpecial Weather StatementFFCMonroe31 min
Jul 26, 7:34 PM EDTSpecial Weather StatementFFCStewart26 min
Jul 26, 7:46 PM EDTSpecial Weather StatementFFCMarion29 min
Jul 26, 7:53 PM EDTSpecial Weather StatementFFCBibb37 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.