Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 131, NWS Atlanta, GA

May 22, 20124 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 22, 2012, 10:27 PM EDT for 4 counties in Georgia. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 22, 2012, 10:27 PM EDT (02:27 UTC)
Expired
May 22, 2012, 11:00 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Emanuel County, GA, Johnson County, GA, Laurens County, GA, Treutlen County, GA

What was reported inside it

TimeReportWhereRemark
May 22, 10:41 PM EDTHAIL 1E Rockledge, GAPUBLIC REPORTED HAIL THE SIZE OF QUARTERS IN ROCKLEDGE. THE HAIL HAD BEEN ONGOING FOR TEN MINUTES AT TIME OF REPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.5 hours before the alert went out and 201 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 00:00Z on 2012-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 879 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2012-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
879 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1501 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
31 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.

305 
WUUS52 KFFC 230227
SVRFFC
GAC107-167-175-283-230300-
/O.NEW.KFFC.SV.W.0131.120523T0227Z-120523T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1027 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA
  WEST CENTRAL EMANUEL COUNTY IN EAST CENTRAL GEORGIA
  SOUTH CENTRAL JOHNSON COUNTY IN EAST CENTRAL GEORGIA
  NORTHERN TREUTLEN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 1100 PM EDT

* AT 1024 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  SOUTHWEST OF ADRIAN...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ORIANNA...SCOTT...BLACKVILLE...FIVE POINTS...GILLIS SPRINGS AND
  NORRISTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3261 8251 3243 8245 3238 8274 3255 8279
TIME...MOT...LOC 0227Z 256DEG 13KT 3248 8268

$$
1 follow-up statement
874 
WWUS52 KFFC 230247
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1047 PM EDT TUE MAY 22 2012

GAC175-230256-
/O.CAN.KFFC.SV.W.0131.000000T0000Z-120523T0300Z/
LAURENS GA-
1047 PM EDT TUE MAY 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAURENS COUNTY IS
CANCELLED THE STORM HAS MOVED OUT OF THE WARNED AREA...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

LAT...LON 3238 8271 3246 8269 3246 8265 3249 8264
      3251 8266 3251 8265 3252 8268 3257 8267
      3261 8251 3243 8245
TIME...MOT...LOC 0246Z 256DEG 13KT 3250 8260

$$

GAC107-167-283-230300-
/O.CON.KFFC.SV.W.0131.000000T0000Z-120523T0300Z/
TREUTLEN GA-JOHNSON GA-EMANUEL GA-
1047 PM EDT TUE MAY 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR WEST CENTRAL EMANUEL...SOUTH CENTRAL JOHNSON AND NORTHERN
TREUTLEN COUNTIES...

AT 1041 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING QUARTER SIZED HAIL. THIS
STORM WAS LOCATED NEAR BLACKVILLE...MOVING EAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ADRIAN...GILLIS SPRINGS AND NORRISTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3238 8271 3246 8269 3246 8265 3249 8264
      3251 8266 3251 8265 3252 8268 3257 8267
      3261 8251 3243 8245
TIME...MOT...LOC 0246Z 256DEG 13KT 3250 8260

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:29 PM EDTSpecial Weather StatementFFCMorgan, Walton31 min
May 22, 8:40 PM EDTSpecial Weather StatementFFCToombs35 min
May 22, 9:25 PM EDTSpecial Weather StatementFFCToombs35 min
May 22, 10:02 PM EDTSpecial Weather StatementFFCEmanuel28 min
May 22, 10:20 PM EDTSpecial Weather StatementFFCTreutlen25 min
May 22, 10:53 PM EDTSpecial Weather StatementFFCMontgomery, Toombs37 min
May 22, 11:19 PM EDTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen26 min
May 23, 12:42 AM EDTSpecial Weather StatementFFCToombs33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.