Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 408, NWS Atlanta, GA

June 30, 2011Johnson County, Laurens County, Treutlen County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 30, 2011, 8:16 PM EDT for Johnson County, Laurens County, Treutlen County, Georgia. It was in force for 44 min. 3 reports 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
Jun 30, 2011, 8:16 PM EDT (00:16 UTC)
Expired
Jun 30, 2011, 9:00 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

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

The radar

The Robins AFB radar (KJGX), 75 km from the middle of the area, began a volume at 00:19 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.

What was reported inside it

TimeReportWhereRemark
Jun 30, 8:19 PM EDTTSTM WND DMG4 Ssw Scott, GALAURENS COUNTY 911 RELAYED A REPORT OF TWO TRESS DOWN IN THE EASTERN PART OF LAURENS COUNTY.
Jun 30, 8:19 PM EDTTSTM WND DMGScott, GAEM RELAYED A REPORT OF SEVERAL TREES DOWN IN SCOTT.
Jun 30, 8:37 PM EDTTSTM WND DMGLowery, GALAURENS COUNTY EM RELAYED A REPORT OF SEVERAL TREES DOWN IN THE EASTERN PART OF THE COUNTY NEAR LOWERY...IN ADDITION TO THE TWO PREVIOUS TREES DOWN. THE EM ALSO REPORTED A COUPLE WIRES DOWN THAT CAUSED GRASS FIRES.

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, 0.3 hours before the alert went out and 205 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 2011-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 280 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 00:00Z on 2011-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
280 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2045 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
3 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.

074 
WUUS52 KFFC 010016
SVRFFC
GAC167-175-283-010100-
/O.NEW.KFFC.SV.W.0408.110701T0016Z-110701T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
816 PM EDT THU JUN 30 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN LAURENS COUNTY IN CENTRAL GEORGIA
  SOUTHERN JOHNSON COUNTY IN EAST CENTRAL GEORGIA
  TREUTLEN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 900 PM EDT

* AT 811 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP
  TO 65 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  16 MILES EAST OF EAST DUBLIN TO 10 MILES NORTHEAST OF SOPERTON...
  MOVING WEST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DUBLIN.

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...LARGE HAIL OR SIGNIFICANT 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.

&&

LAT...LON 3244 8238 3236 8241 3231 8265 3229 8267
      3231 8272 3226 8278 3270 8299 3266 8259
      3261 8255 3258 8260 3253 8257 3251 8265
      3250 8249 3245 8240
TIME...MOT...LOC 0016Z 097DEG 10KT 3263 8263 3249 8249

$$
3 follow-up statements
309 
WWUS52 KFFC 010028
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
828 PM EDT THU JUN 30 2011

GAC167-175-283-010100-
/O.CON.KFFC.SV.W.0408.000000T0000Z-110701T0100Z/
TREUTLEN GA-LAURENS GA-JOHNSON GA-
828 PM EDT THU JUN 30 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHERN JOHNSON...EASTERN LAURENS AND TREUTLEN COUNTIES...

AT 825 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM SCOTT TO GILLIS SPRINGS...MOVING WEST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SOPERTON...BLACKVILLE...SPANN...LOTHAIR...BARNHILL...ORIANNA...
ORLAND...ROCKLEDGE...MINTER...LOWERY...BREWTON...EAST DUBLIN...DUBLIN
AND LOVETT.

IN ADDITION...EXCESSIVE CLOUD-TO-GROUND LIGHTNING IS OCCURRING WITH 
THESE THUNDERSTORMS. 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. RESIDENTS IN THE AREA 
SHOULD REMAIN INDOORS AND AWAY FROM ELECTRICAL 
APPLIANCES...DOORS...AND WINDOWS UNTIL THE STORMS HAVE PASSED. 
LAND-LINE TELEPHONES SHOULD ONLY BE USED IN AN EMERGENCY.

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...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

&&

LAT...LON 3244 8238 3236 8241 3231 8265 3229 8267
      3231 8272 3226 8278 3270 8299 3266 8259
      3261 8255 3258 8260 3253 8257 3251 8265
      3250 8249 3245 8240
TIME...MOT...LOC 0028Z 097DEG 10KT 3263 8267 3249 8253

$$



19
452 
WWUS52 KFFC 010035
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
835 PM EDT THU JUN 30 2011

GAC167-010044-
/O.CAN.KFFC.SV.W.0408.000000T0000Z-110701T0100Z/
JOHNSON GA-
835 PM EDT THU JUN 30 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN JOHNSON COUNTY IS
CANCELLED...

THE THUNDERSTORMS THAT EARLIER PROMPTED THE WARNING FOR SOUTHERN 
JOHNSON COUNTY HAVE MOVED WEST AND SOUTH INTO LAURENS AND TREUTLEN 
COUNTIES. SEVERE THUNDERSTORMS ARE NO LONGER EXPECTED IN JOHNSON 
COUNTY. HEAVY RAIN AND FREQUENT CLOUD-TO-GROUND LIGHTNING WILL 
CONTINUE ACROSS SOUTHERN JOHNSON COUNTY FOR ANOTHER 30 MINUTES OR SO.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT 
UNTIL AFTER 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.

LAT...LON 3235 8245 3231 8265 3229 8267 3231 8272
      3226 8278 3270 8298 3268 8279 3266 8279
      3262 8268 3261 8267 3252 8268 3246 8252
      3241 8245
TIME...MOT...LOC 0034Z 097DEG 10KT 3259 8273 3244 8259

$$

GAC175-283-010100-
/O.CON.KFFC.SV.W.0408.000000T0000Z-110701T0100Z/
TREUTLEN GA-LAURENS GA-
835 PM EDT THU JUN 30 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR EASTERN LAURENS AND TREUTLEN COUNTIES...

AT 833 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM BREWTON TO BLACKVILLE...MOVING WEST AT 10
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ORIANNA...LOVETT...LOTHAIR...BARNHILL...ORLAND...ROCKLEDGE...
MINTER...LOWERY...EAST DUBLIN AND DUBLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

&&

LAT...LON 3235 8245 3231 8265 3229 8267 3231 8272
      3226 8278 3270 8298 3268 8279 3266 8279
      3262 8268 3261 8267 3252 8268 3246 8252
      3241 8245
TIME...MOT...LOC 0034Z 097DEG 10KT 3259 8273 3244 8259

$$



19
716 
WWUS52 KFFC 010101
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
901 PM EDT THU JUN 30 2011

GAC175-283-010109-
/O.EXP.KFFC.SV.W.0408.000000T0000Z-110701T0100Z/
TREUTLEN GA-LAURENS GA-
901 PM EDT THU JUN 30 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LAURENS AND TREUTLEN
COUNTIES EXPIRES AT 900 PM EDT...

AT 854 PM EDT...THE THUNDERSTORMS THAT EARLIER PROMPTED THE WARNING 
FOR EASTERN LAURENS AND TREUTLEN COUNTIES HAVE WEAKENED CONSIDERABLY 
AND ARE NO LONGER SEVERE.

LIGHT TO MODERATE RAIN AND OCCASIONAL CLOUD-TO-GROUND LIGHTNING WILL 
CONTINUE ACROSS THIS AREA FOR ANOTHER 30 MINUTES OR SO...BUT SEVERE 
WEATHER IS NO LONGER EXPECTED.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT 
UNTIL AFTER 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.

LAT...LON 3235 8245 3231 8265 3229 8267 3231 8272
      3226 8278 3270 8298 3268 8279 3266 8279
      3262 8268 3261 8267 3252 8268 3246 8252
      3241 8245
TIME...MOT...LOC 0059Z 097DEG 10KT 3260 8281 3245 8267

$$



19

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:24 PM EDTSpecial Weather StatementFFCTwiggs36 min
Jun 30, 9:56 PM EDTSpecial Weather StatementFFCBibb, Twiggs49 min
Jul 1, 2:52 PM EDTSpecial Weather StatementFFCBleckley38 min
Jul 1, 3:23 PM EDTSpecial Weather StatementFFCBaldwin37 min
Jul 1, 3:24 PM EDTSpecial Weather StatementFFCLamar36 min
Jul 1, 3:28 PM EDTSpecial Weather StatementFFCMeriwether32 min
Jul 1, 3:49 PM EDTSpecial Weather StatementFFCWashington26 min
Jul 1, 4:05 PM EDTSpecial Weather StatementFFCFulton25 min
Jul 1, 4:41 PM EDTSpecial Weather StatementFFCChattahoochee34 min
Jul 1, 4:45 PM EDTSpecial Weather StatementFFCSpalding30 min
Jul 1, 4:48 PM EDTSpecial Weather StatementFFCSpalding27 min
Jul 1, 5:22 PM EDTSpecial Weather StatementFFCHenry38 min
Jul 1, 5:25 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette35 min
Jul 1, 5:27 PM EDTSevere Thunderstorm WarningFFCHenry33 min
Jul 1, 5:56 PM EDTSpecial Weather StatementFFCJones34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.