Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 238, NWS Atlanta, GA

May 14, 2011Laurens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 14, 2011, 7:55 PM EDT for Laurens County, Georgia. It was in force for 25 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 14, 2011, 7:55 PM EDT (23:55 UTC)
Expired
May 14, 2011, 8:20 PM EDT
In force
25 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

County Laurens County, GA

The radar

The Robins AFB radar (KJGX), 65 km from the middle of the area, began a volume at 23:59 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
May 14, 8:00 PM EDTHAIL 0.255 Nw Lowery, GA

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 12:00Z, 11.9 hours before the alert went out and 196 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 2011-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2011-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 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
7 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
82 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.

070 
WUUS52 KFFC 142355
SVRFFC
GAC175-150030-
/O.NEW.KFFC.SV.W.0238.110514T2355Z-110515T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
755 PM EDT SAT MAY 14 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA

* UNTIL 830 PM EDT

* AT 754 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 NEAR LOWERY...
  MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MINTER...ROCKLEDGE AND ORIANNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3247 8264 3246 8269 3240 8270 3239 8272
      3237 8272 3232 8286 3242 8293 3261 8267
      3253 8268 3252 8265 3249 8264
TIME...MOT...LOC 2356Z 237DEG 20KT 3241 8284

$$
2 follow-up statements
973 
WWUS52 KFFC 150010
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
810 PM EDT SAT MAY 14 2011

GAC175-150030-
/O.CON.KFFC.SV.W.0238.000000T0000Z-110515T0030Z/
LAURENS GA-
810 PM EDT SAT MAY 14 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EAST CENTRAL LAURENS COUNTY...

AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
MINTER...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
ROCKLEDGE AND MILE MARKER 60 ON INTERSTATE 16.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR EAST CENTRAL GEORGIA.

&&

LAT...LON 3246 8269 3240 8270 3239 8272 3239 8283
      3244 8286 3261 8267 3253 8268 3252 8265
      3251 8266 3248 8264
TIME...MOT...LOC 0009Z 237DEG 20KT 3245 8277

$$
758 
WWUS52 KFFC 150020
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
820 PM EDT SAT MAY 14 2011

GAC175-150029-
/O.CAN.KFFC.SV.W.0238.000000T0000Z-110515T0030Z/
LAURENS GA-
820 PM EDT SAT MAY 14 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAURENS COUNTY IS
CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE 
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY 
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

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 3246 8269 3240 8270 3239 8272 3239 8283
      3244 8286 3261 8267 3253 8268 3252 8265
      3251 8266 3248 8264
TIME...MOT...LOC 0019Z 237DEG 20KT 3248 8271

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:50 PM EDTSpecial Weather StatementFFCCrisp40 min
May 13, 9:10 PM EDTSpecial Weather StatementFFCCrisp35 min
May 14, 1:17 PM EDTSpecial Weather StatementFFCEmanuel, Johnson28 min
May 14, 2:12 PM EDTSpecial Weather StatementFFCBibb, Bleckley, Dooly, Houston, Jones, Peach and 2 more48 min
May 14, 2:33 PM EDTSpecial Weather StatementFFCEmanuel27 min
May 14, 2:54 PM EDTSpecial Weather StatementFFCBaldwin, Bleckley, Jones, Laurens, Twiggs, Wilkinson51 min
May 14, 3:36 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens, Washington, Wilkinson39 min
May 14, 3:39 PM EDTSpecial Weather StatementFFCHancock, Johnson, Laurens, Putnam, Washington36 min
May 14, 3:53 PM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Putnam52 min
May 14, 4:13 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson, Johnson, Laurens, Washington62 min
May 14, 4:27 PM EDTSpecial Weather StatementFFCTaliaferro48 min
May 14, 5:01 PM EDTSevere Thunderstorm WarningFFCEmanuel, Treutlen44 min
May 14, 5:14 PM EDTSpecial Weather StatementFFCMontgomery, Telfair, Wheeler46 min
May 14, 5:41 PM EDTSpecial Weather StatementFFCTreutlen34 min
May 14, 5:55 PM EDTSpecial Weather StatementFFCMontgomery, Toombs, Wheeler50 min
May 14, 6:26 PM EDTSevere Thunderstorm WarningFFCMontgomery, Toombs49 min
May 14, 6:46 PM EDTSpecial Weather StatementFFCWilcox29 min
May 14, 6:53 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox52 min
May 14, 7:28 PM EDTSpecial Weather StatementFFCDodge32 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.