Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Atlanta, GA

August 6, 2011Troup County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 6, 2011, 2:23 PM EDT for Troup County, Georgia. It was in force for 37 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, 2011, 2:23 PM EDT (18:23 UTC)
Expired
Aug 6, 2011, 3:00 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA

County Troup County, GA

The radar

The Atlanta radar (KFFC), 54 km from the middle of the area, began a volume at 18:23 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, 6.4 hours before the alert went out and 59 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 2011-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1302 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 2011-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
1302 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
90 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.

828 
WWUS82 KFFC 061823
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
223 PM EDT SAT AUG 6 2011

GAZ066-061900-
223 PM EDT SAT AUG 6 2011

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT LIGHTNING IN TROUP
COUNTY UNTIL 300 PM EDT...

AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM LAGRANGE TO ABBOTTSFORD...MOVING EAST AT 10
MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE PEA SIZED HAIL...FREQUENT 
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 35 MPH AS THEY MOVE 
ACROSS TROUP COUNTY THROUGH 300 PM EDT. SOME LOCATIONS IN THE PATH 
OF THESE STORMS INCLUDE ABBOTTSFORD...WARES 
CROSSROADS...CANNONVILLE...SMITHS CROSSROAD...BIG SPRINGS...LOUISE 
AND LAGRANGE. BRIEF HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON 
ROADWAYS.

&&

LAT...LON 3315 8488 3297 8490 3294 8503 3297 8519
      3309 8521 3313 8500
TIME...MOT...LOC 1823Z 270DEG 7KT 3307 8502 3306 8510
          3303 8520

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 8:03 PM EDTSpecial Weather StatementFFCRockdale, Walton27 min
Aug 5, 8:29 PM EDTSpecial Weather StatementFFCDeKalb31 min
Aug 6, 12:43 PM EDTSpecial Weather StatementFFCMuscogee32 min
Aug 6, 1:15 PM EDTSpecial Weather StatementFFCUpson30 min
Aug 6, 1:32 PM EDTSpecial Weather StatementFFCTalbot28 min
Aug 6, 2:01 PM EDTSpecial Weather StatementFFCTaylor29 min
Aug 6, 2:39 PM EDTSpecial Weather StatementFFCCoweta36 min
Aug 6, 2:54 PM EDTSpecial Weather StatementFFCHancock51 min
Aug 6, 3:11 PM EDTSpecial Weather StatementFFCCoweta34 min
Aug 6, 3:42 PM EDTSpecial Weather StatementFFCFayette33 min
Aug 6, 3:43 PM EDTSpecial Weather StatementFFCFayette32 min
Aug 6, 4:01 PM EDTSpecial Weather StatementFFCSpalding29 min
Aug 6, 4:49 PM EDTSpecial Weather StatementFFCClayton, Henry, Spalding26 min
Aug 6, 5:05 PM EDTSpecial Weather StatementFFCDouglas25 min
Aug 6, 5:08 PM EDTSpecial Weather StatementFFCButts, Jasper37 min
Aug 6, 5:18 PM EDTSpecial Weather StatementFFCDeKalb27 min
Aug 6, 5:28 PM EDTSpecial Weather StatementFFCLaurens32 min
Aug 6, 5:44 PM EDTSpecial Weather StatementFFCDeKalb, Fulton31 min
Aug 6, 6:10 PM EDTSpecial Weather StatementFFCJohnson35 min
Aug 6, 6:52 PM EDTSpecial Weather StatementFFCGlascock, Warren, Washington23 min
Aug 6, 7:02 PM EDTSevere Thunderstorm WarningFFCHancock, Washington43 min
Aug 6, 7:11 PM EDTSpecial Weather StatementFFCMontgomery, Toombs34 min
Aug 6, 7:25 PM EDTSpecial Weather StatementFFCGlascock, Jefferson, Warren35 min
Aug 6, 7:39 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Warren36 min

Nearby

Special Weather Statements in Georgia, 2011Every special weather statement in 2011

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.