Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 269, NWS Atlanta, GA

May 27, 2011Laurens County, Wilkinson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 27, 2011, 4:38 PM EDT for Laurens County, Wilkinson County, Georgia. It was in force for 52 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 27, 2011, 4:38 PM EDT (20:38 UTC)
Expired
May 27, 2011, 5:30 PM EDT
In force
52 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Laurens County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 41 km from the middle of the area, began a volume at 20:41 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 27, 5:10 PM EDTHAIL 15 Ne Chappells Mill, GAPUBLIC REPORTED QUARTER SIZED HAIL ALONG SANDY CREEK ROAD NEAR TOOMSBORO.

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, 8.6 hours before the alert went out and 164 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 2011-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 778 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 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
778 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

218 
WUUS52 KFFC 272038
SVRFFC
GAC175-319-272130-
/O.NEW.KFFC.SV.W.0269.110527T2038Z-110527T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
438 PM EDT FRI MAY 27 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR
  TOOMSBORO...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
  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 3251 8284 3275 8316 3288 8304 3286 8303
      3286 8300 3283 8297 3277 8296 3275 8294
      3271 8295 3272 8286 3269 8280 3266 8279
      3264 8273
TIME...MOT...LOC 2038Z 307DEG 11KT 3280 8305

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:37 PM EDTSpecial Weather StatementFFCJefferson, Johnson38 min
May 26, 9:39 PM EDTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen51 min
May 26, 9:49 PM EDTSpecial Weather StatementFFCEmanuel26 min
May 26, 10:04 PM EDTSevere Thunderstorm WarningFFCEmanuel, Jefferson41 min
May 27, 12:53 AM EDTSpecial Weather StatementFFCFayette22 min
May 27, 1:37 AM EDTSpecial Weather StatementFFCWashington38 min
May 27, 2:13 AM EDTSpecial Weather StatementFFCJohnson32 min
May 27, 2:17 AM EDTSpecial Weather StatementFFCCoweta43 min
May 27, 2:26 AM EDTSpecial Weather StatementFFCCoweta34 min
May 27, 2:35 AM EDTSpecial Weather StatementFFCJefferson40 min
May 27, 2:50 AM EDTSpecial Weather StatementFFCDeKalb, Fulton2 hr
May 27, 2:55 AM EDTSpecial Weather StatementFFCCoweta, Fayette50 min
May 27, 4:49 AM EDTFlash Flood WarningFFCDeKalb, Fulton90 min
May 27, 10:09 AM EDTSpecial Weather StatementFFCJefferson36 min
May 27, 11:32 AM EDTSpecial Weather StatementFFCTelfair28 min
May 27, 12:28 PM EDTSpecial Weather StatementFFCTaliaferro32 min
May 27, 1:01 PM EDTSpecial Weather StatementFFCWilkes29 min
May 27, 1:16 PM EDTSpecial Weather StatementFFCTaliaferro, Wilkes59 min
May 27, 1:44 PM EDTSpecial Weather StatementFFCBibb, Jones31 min
May 27, 2:00 PM EDTSpecial Weather StatementFFCTaliaferro30 min
May 27, 2:08 PM EDTSevere Thunderstorm WarningFFCHancock, Taliaferro, Warren, Wilkes52 min
May 27, 2:21 PM EDTSpecial Weather StatementFFCBaldwin24 min
May 27, 2:59 PM EDTSpecial Weather StatementFFCGlascock, Hancock, Warren46 min
May 27, 3:44 PM EDTSpecial Weather StatementFFCGlascock, Hancock, Taliaferro, Warren46 min
May 27, 4:02 PM EDTSpecial Weather StatementFFCWilkinson28 min
May 27, 4:32 PM EDTSpecial Weather StatementFFCWilkinson43 min
May 27, 5:09 PM EDTSpecial Weather StatementFFCEmanuel21 min
May 27, 5:27 PM EDTSpecial Weather StatementFFCJohnson48 min
May 27, 5:29 PM EDTSevere Thunderstorm WarningFFCLaurens46 min
May 27, 5:38 PM EDTSevere Thunderstorm WarningFFCJefferson, Johnson, Washington33 min
May 27, 5:51 PM EDTSpecial Weather StatementFFCTelfair39 min
May 27, 6:14 PM EDTSpecial Weather StatementFFCEmanuel46 min
May 27, 6:25 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen50 min
May 27, 6:56 PM EDTSpecial Weather StatementFFCMontgomery, Toombs49 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.