Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 134, NWS Tallahassee, FL

May 12, 20218 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at May 12, 2021, 11:47 AM EDT for 8 counties in Georgia. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 12, 2021, 11:47 AM EDT (15:47 UTC)
Expired
May 12, 2021, 12:35 PM EDT
In force
48 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Berrien County, GA, Brooks County, GA, Colquitt County, GA, Cook County, GA, Irwin County, GA, Lanier County, GA, Lowndes County, GA, Tift County, GA

The radar

The Moody AFB radar (KVAX), 63 km from the middle of the area, began a volume at 15:47 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 12, 8:14 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.8 hours before the alert went out and 140 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, Tallahassee Rgnl, FL at 12:00Z on 2021-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 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, Tallahassee Rgnl, FL at 12:00Z on 2021-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
263 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

855 
WUUS52 KTAE 121547
SVRTAE
GAC019-027-071-075-155-173-185-277-121715-
/O.NEW.KTAE.SV.W.0134.210512T1547Z-210512T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1147 AM EDT Wed May 12 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Cook County in south central Georgia...
  Irwin County in south central Georgia...
  Berrien County in south central Georgia...
  Lanier County in south central Georgia...
  Northwestern Lowndes County in south central Georgia...
  North central Brooks County in south central Georgia...
  Eastern Colquitt County in south central Georgia...
  Tift County in south central Georgia...

* Until 115 PM EDT.

* At 1147 AM EDT, severe thunderstorms were located along a line
  extending from near Sylvester to near Pavo, moving northeast at 40
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Tifton, Nashville, Adel, Ocilla, Lakeland, Hahira, Sparks, Enigma,
  Omega, Ray City, Lenox, Ty Ty, Alapaha, Phillipsburg, Mystic,
  Unionville, Moody Air Force Base, Meigs, Berlin and Cecil.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3095 8362 3125 8362 3133 8365 3143 8365
      3144 8367 3148 8366 3149 8365 3160 8365
      3159 8350 3162 8350 3165 8301 3161 8306
      3149 8310 3146 8315 3140 8314 3128 8304
      3119 8305 3118 8297 3098 8297
TIME...MOT...LOC 1547Z 229DEG 33KT 3153 8387 3101 8374 

HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
2 follow-up statements
830 
WWUS52 KTAE 121623
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1223 PM EDT Wed May 12 2021

GAC071-277-121632-
/O.CAN.KTAE.SV.W.0134.000000T0000Z-210512T1715Z/
Colquitt GA-Tift GA-
1223 PM EDT Wed May 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN COLQUITT AND TIFT
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 200 PM EDT for
south central Georgia.

LAT...LON 3095 8362 3132 8337 3146 8337 3147 8334
      3149 8338 3155 8342 3156 8347 3157 8349
      3162 8350 3165 8301 3161 8306 3149 8310
      3146 8315 3140 8314 3128 8304 3119 8305
      3118 8297 3098 8297
TIME...MOT...LOC 1622Z 275DEG 39KT 3161 8341 3109 8328 

$$

GAC019-027-075-155-173-185-121715-
/O.CON.KTAE.SV.W.0134.000000T0000Z-210512T1715Z/
Cook GA-Irwin GA-Berrien GA-Lanier GA-Lowndes GA-Brooks GA-
1223 PM EDT Wed May 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR COOK...IRWIN...BERRIEN...LANIER...NORTHWESTERN LOWNDES AND NORTH
CENTRAL BROOKS COUNTIES...

At 1222 PM EDT, severe thunderstorms were located along a line
extending from near Mystic to near Ray City, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Nashville, Lakeland, Adel, Ocilla, Hahira, Sparks, Enigma, Ray City,
Alapaha, Mystic, Moody Air Force Base, Meigs, Cecil, Barretts, New
Lois, Gladys, Massee, Greggs, Glory and Waterloo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3095 8362 3132 8337 3146 8337 3147 8334
      3149 8338 3155 8342 3156 8347 3157 8349
      3162 8350 3165 8301 3161 8306 3149 8310
      3146 8315 3140 8314 3128 8304 3119 8305
      3118 8297 3098 8297
TIME...MOT...LOC 1622Z 275DEG 39KT 3161 8341 3109 8328 

HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
320 
WWUS52 KTAE 121635
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1235 PM EDT Wed May 12 2021

GAC019-027-075-155-173-185-121645-
/O.CAN.KTAE.SV.W.0134.000000T0000Z-210512T1715Z/
Cook GA-Irwin GA-Berrien GA-Lanier GA-Lowndes GA-Brooks GA-
1235 PM EDT Wed May 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR COOK...IRWIN...BERRIEN...
LANIER...NORTHWESTERN LOWNDES AND NORTH CENTRAL BROOKS COUNTIES IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 200 PM EDT for
south central Georgia.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3095 8362 3132 8337 3146 8337 3147 8334
      3149 8338 3155 8342 3156 8347 3157 8349
      3162 8350 3165 8301 3161 8306 3149 8310
      3146 8315 3140 8314 3128 8304 3119 8305
      3118 8297 3098 8297
TIME...MOT...LOC 1634Z 229DEG 33KT 3168 8331 3116 8318 

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 9:43 AM EDTSpecial Weather StatementTAECalhoun, Clay, Early, Miller, Randolph47 min
May 12, 9:48 AM EDTSpecial Weather StatementTAESeminole42 min
May 12, 10:29 AM EDTSpecial Weather StatementTAEBaker, Decatur, Dougherty, Grady, Miller, Mitchell and 1 more61 min
May 12, 11:06 AM EDTSevere Thunderstorm WarningTAEBaker, Brooks, Colquitt, Dougherty, Grady, Mitchell and 2 more69 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.