Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

August 2, 20124 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Aug 2, 2012, 2:39 PM EDT for 4 counties in Georgia. It was in force for 51 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 2, 2012, 2:39 PM EDT (18:39 UTC)
Expired
Aug 2, 2012, 3:30 PM EDT
In force
51 min
Issued by
NWS Atlanta, GA

Counties Laurens County, GA, Telfair County, GA, Toombs County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 95 km from the middle of the area, began a volume at 18:40 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

Jacksonville, FL (KJAX), launched 12:00Z, 6.7 hours before the alert went out and 193 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, Jacksonville, FL at 12:00Z on 2012-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3176 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, Jacksonville, FL at 12:00Z on 2012-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
3176 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
14 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.

722 
WWUS82 KFFC 021839
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
239 PM EDT THU AUG 2 2012

GAZ097-109>113-021930-
239 PM EDT THU AUG 2 2012

...SIGNIFICANT WEATHER ADVISORY FOR PENNY SIZED HAIL AND 40 MPH WINDS
IN WHEELER...TOOMBS...TELFAIR...MONTGOMERY...LAURENS AND DODGE
COUNTIES UNTIL 330 PM EDT...

AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM RENTZ TO NEW BRANCH...MOVING SOUTH AT 5
MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE PENNY SIZED HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY
MOVE ACROSS WHEELER...TOOMBS...TELFAIR...MONTGOMERY...LAURENS AND
DODGE COUNTIES THROUGH 330 PM EDT. SOME LOCATIONS IN THE PATH OF
THESE STORMS INCLUDE ROCK SPRINGS...OHOOPEE...SOUTH THOMPSON...TOOMBS
CENTRAL...NEW BRANCH...JOHNSON CORNER...CEDAR CROSSING...SANTA
CLAUS...UVALDA...ALSTON...JORDAN...ALAMO...CADWELL...CENTER AND
RENTZ. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3180 8309 3180 8314 3183 8316 3255 8304
      3246 8286 3216 8269 3218 8218 3191 8222
      3196 8248 3194 8249 3195 8256 3192 8261
      3192 8267 3178 8286 3177 8301
TIME...MOT...LOC 1839Z 347DEG 4KT 3239 8296 3213 8289
          3203 8270 3201 8224

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:08 PM EDTSpecial Weather StatementFFCCrisp37 min
Aug 1, 8:31 PM EDTSpecial Weather StatementFFCFannin44 min
Aug 1, 8:46 PM EDTSpecial Weather StatementFFCMurray44 min
Aug 1, 9:04 PM EDTSevere Thunderstorm WarningFFCCatoosa, Murray, Whitfield41 min
Aug 1, 9:11 PM EDTSpecial Weather StatementFFCFannin49 min
Aug 1, 9:48 PM EDTSpecial Weather StatementFFCWhitfield57 min
Aug 1, 10:15 PM EDTSpecial Weather StatementFFCDade60 min
Aug 1, 10:53 PM EDTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker, Whitfield52 min
Aug 1, 11:11 PM EDTSpecial Weather StatementFFCBartow49 min
Aug 1, 11:51 PM EDTSpecial Weather StatementFFCChattooga39 min
Aug 2, 12:44 PM EDTSpecial Weather StatementFFCCrisp, Dooly31 min
Aug 2, 12:49 PM EDTSpecial Weather StatementFFCDodge26 min
Aug 2, 12:55 PM EDTSpecial Weather StatementFFCMontgomery, Treutlen50 min
Aug 2, 1:15 PM EDTSpecial Weather StatementFFCSumter30 min
Aug 2, 1:27 PM EDTSpecial Weather StatementFFCJefferson48 min
Aug 2, 1:43 PM EDTSpecial Weather StatementFFCHouston47 min
Aug 2, 1:59 PM EDTSpecial Weather StatementFFCWilcox46 min
Aug 2, 2:00 PM EDTSpecial Weather StatementFFCTelfair45 min
Aug 2, 2:02 PM EDTSpecial Weather StatementFFCWheeler43 min
Aug 2, 2:04 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox41 min
Aug 2, 2:11 PM EDTSpecial Weather StatementFFCJenkins49 min
Aug 2, 2:16 PM EDTSpecial Weather StatementFFCToombs29 min
Aug 2, 2:29 PM EDTSpecial Weather StatementFFCTalbot46 min
Aug 2, 2:54 PM EDTSpecial Weather StatementFFCJohnson51 min
Aug 2, 3:02 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson, Washington43 min
Aug 2, 3:33 PM EDTSpecial Weather StatementFFCMacon, Taylor27 min
Aug 2, 3:36 PM EDTSevere Thunderstorm WarningFFCMacon, Schley, Taylor39 min
Aug 2, 3:37 PM EDTSpecial Weather StatementFFCTwiggs, Wilkinson38 min
Aug 2, 3:55 PM EDTSpecial Weather StatementFFCLaurens50 min
Aug 2, 3:58 PM EDTSevere Thunderstorm WarningFFCLaurens16 min
Aug 2, 4:13 PM EDTSevere Thunderstorm WarningFFCMarion, Schley24 min
Aug 2, 4:40 PM EDTSpecial Weather StatementFFCWebster35 min
Aug 2, 5:22 PM EDTSpecial Weather StatementFFCMarion, Stewart38 min
Aug 2, 5:32 PM EDTSpecial Weather StatementFFCSpalding43 min
Aug 2, 6:13 PM EDTSpecial Weather StatementFFCFulton32 min
Aug 2, 6:33 PM EDTSpecial Weather StatementFFCLamar, Spalding42 min
Aug 2, 6:53 PM EDTSpecial Weather StatementFFCFulton37 min
Aug 2, 7:56 PM EDTSpecial Weather StatementFFCDeKalb49 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.