Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 77, NWS Tallahassee, FL

April 28, 20116 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 28, 2011, 8:19 AM EDT for 6 counties in Georgia. It was in force for 41 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: Apr 28, 2011, 8:19 AM EDT (12:19 UTC)
Expired: Apr 28, 2011, 9:00 AM EDT
In force: 41 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Calhoun County, GA, Dougherty County, GA, Lee County, GA, Terrell County, GA, Turner County, GA, Worth County, GA

The radar

The Robins AFB radar (KJGX), 117 km from the middle of the area, began a volume at 12:22 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

Time	Report	Where	Remark
Apr 28, 8:43 AM EDT	HAIL 1	Albany, GA	QUARTER SIZE AND SLIGHTLY LARGER HAIL FELL FOR NEAR 5 MINUTES.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.3 hours before the alert went out and 157 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3422 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 14.5

Open this sounding in Storm Lab

The text

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

340 
WUUS52 KTAE 281219
SVRTAE
GAC037-095-177-273-287-321-281300-
/O.NEW.KTAE.SV.W.0077.110428T1219Z-110428T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
819 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL TURNER COUNTY IN SOUTH CENTRAL GEORGIA...
  NORTHWESTERN WORTH COUNTY IN SOUTH CENTRAL GEORGIA...
  NORTHEASTERN CALHOUN COUNTY IN SOUTHWEST GEORGIA...
  NORTHERN DOUGHERTY COUNTY IN SOUTHWEST GEORGIA...
  LEE COUNTY IN SOUTHWEST GEORGIA...
  SOUTHEASTERN TERRELL COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 900 AM EDT

* AT 814 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 16 MILES WEST OF ALBANY...OR NEAR CLARKS MILL...
  AND MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PRETORIA...WALKER...SASSER...BRIDGES CROSSROAD...ARMENA...LOCKETT
  CROSSING...OAKLAND...SOUTHWEST GA REGIONAL A/P...BYNE CROSSROADS...
  PALMYRA...SOUTH ALBANY...JORDAN PLACE...FORRESTER...CENTURY...
  LEESBURG...EAST ALBANY...TURNER CITY...STARKSVILLE...STOCKS...MOSSY
  DELL...PHILEMA...OAKFIELD...WARWICK AND DOLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY!

&&

LAT...LON 3191 8392 3189 8393 3186 8393 3184 8386
      3165 8374 3146 8449 3171 8451 3192 8393
TIME...MOT...LOC 1219Z 259DEG 42KT 3164 8437

$$

2 follow-up statements

540 
WWUS52 KTAE 281241
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
841 AM EDT THU APR 28 2011

GAC037-281251-
/O.CAN.KTAE.SV.W.0077.000000T0000Z-110428T1300Z/
CALHOUN GA-
841 AM EDT THU APR 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CALHOUN COUNTY IN
SOUTHWEST GEORGIA IS CANCELLED...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3151 8429 3172 8439 3192 8393 3191 8392
      3189 8393 3186 8393 3184 8386 3165 8374
TIME...MOT...LOC 1241Z 259DEG 42KT 3169 8407

$$

GAC095-177-273-287-321-281300-
/O.CON.KTAE.SV.W.0077.000000T0000Z-110428T1300Z/
TURNER GA-TERRELL GA-LEE GA-WORTH GA-DOUGHERTY GA-
841 AM EDT THU APR 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM EDT
FOR NORTHEASTERN DOUGHERTY...NORTHWESTERN WORTH...LEE...SOUTHEASTERN
TERRELL AND WEST CENTRAL TURNER COUNTIES...

AT 838 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR STOCKS...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PHILEMA...OAKFIELD...WARWICK AND DOLES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3151 8429 3172 8439 3192 8393 3191 8392
      3189 8393 3186 8393 3184 8386 3165 8374
TIME...MOT...LOC 1241Z 259DEG 42KT 3169 8407

$$

035 
WWUS52 KTAE 281257
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
857 AM EDT THU APR 28 2011

GAC095-177-273-287-321-281306-
/O.EXP.KTAE.SV.W.0077.000000T0000Z-110428T1300Z/
TURNER GA-TERRELL GA-LEE GA-WORTH GA-DOUGHERTY GA-
857 AM EDT THU APR 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DOUGHERTY...
NORTHWESTERN WORTH...LEE...SOUTHEASTERN TERRELL AND WEST CENTRAL
TURNER COUNTIES WILL EXPIRE AT 900 AM EDT...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3151 8429 3172 8439 3192 8393 3191 8392
      3189 8393 3186 8393 3184 8386 3165 8374
TIME...MOT...LOC 1256Z 259DEG 42KT 3172 8387

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 5:22 AM EDT	Special Weather Statement	TAE	Seminole	38 min
Apr 28, 5:51 AM EDT	Tornado Warning	TAE	Seminole	39 min
Apr 28, 6:26 AM EDT	Tornado Warning	TAE	Decatur, Seminole	34 min
Apr 28, 6:56 AM EDT	Tornado Warning	TAE	Decatur	49 min
Apr 28, 7:06 AM EDT	Special Weather Statement	TAE	Colquitt, Thomas	39 min
Apr 28, 7:49 AM EDT	Special Weather Statement	TAE	Thomas	41 min
Apr 28, 7:58 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Thomas	47 min
Apr 28, 9:13 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Lowndes	47 min
Apr 28, 9:22 AM EDT	Tornado Warning	TAE	Lowndes	23 min
Apr 28, 9:30 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Lowndes	45 min
Apr 28, 10:14 AM EDT	Severe Thunderstorm Warning	TAE	Brooks, Lanier, Lowndes	61 min
Apr 28, 10:20 AM EDT	Severe Thunderstorm Warning	TAE	Colquitt, Cook, Grady, Mitchell, Thomas, Tift and 1 more	40 min
Apr 28, 10:41 AM EDT	Severe Thunderstorm Warning	TAE	Brooks	49 min
Apr 28, 11:13 AM EDT	Severe Thunderstorm Warning	TAE	Lanier, Lowndes	32 min
Apr 28, 3:42 PM EDT	Fire Weather Watch	TAE	Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more	12 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every 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.