Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

August 6, 2012Laurens County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 6, 2012, 4:59 PM EDT for Laurens 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
Aug 6, 2012, 4:59 PM EDT (20:59 UTC)
Expired
Aug 6, 2012, 5:30 PM EDT
In force
31 min
Issued by
NWS Atlanta, GA

County Laurens County, GA

The radar

The Robins AFB radar (KJGX), 34 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 165 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 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 90 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 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
90 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
2 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.

436 
WWUS82 KFFC 062059
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
459 PM EDT MON AUG 6 2012

GAZ097-109-062130-
459 PM EDT MON AUG 6 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN LAURENS AND DODGE
COUNTIES UNTIL 530 PM EDT...

AT 457 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER CADWELL...MOVING NORTH AT 20 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO GROUND 
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS LAURENS AND 
DODGE COUNTIES THROUGH 530 PM EDT. SOME LOCATIONS IN THE PATH OF 
THIS STORM INCLUDE PLAINFIELD...CADWELL...RENTZ...CHESTER... 
DEXTER...HARLOW...ROWLAND AND DUDLEY. HEAVY DOWNPOURS WILL CAUSE 
PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3242 8322 3245 8318 3244 8315 3253 8320
      3254 8320 3258 8299 3227 8290 3221 8310
TIME...MOT...LOC 2059Z 161DEG 18KT 3233 8304

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 2:26 PM EDTSpecial Weather StatementFFCWilkes34 min
Aug 6, 3:30 PM EDTSpecial Weather StatementFFCWilkes30 min
Aug 6, 3:43 PM EDTSpecial Weather StatementFFCTreutlen32 min
Aug 6, 4:15 PM EDTSpecial Weather StatementFFCTreutlen60 min
Aug 6, 4:21 PM EDTSpecial Weather StatementFFCHouston, Peach24 min
Aug 6, 5:18 PM EDTSpecial Weather StatementFFCJones27 min
Aug 6, 6:15 PM EDTSpecial Weather StatementFFCBaldwin, Wilkinson30 min
Aug 6, 6:48 PM EDTSpecial Weather StatementFFCWilkinson57 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.