Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 246, NWS Tallahassee, FL

December 30, 20214 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 30, 2021, 3:57 PM EST for 4 counties in Georgia. It was in force for 63 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: Dec 30, 2021, 3:57 PM EST (20:57 UTC)
Expired: Dec 30, 2021, 5:00 PM EST
In force: 63 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Brooks County, GA, Colquitt County, GA, Cook County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 44 km from the middle of the area, began a volume at 21:01 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
Dec 30, 4:00 PM EST	TSTM WND DMG	Adel, GA	TREES DOWN AND SOME DEBRIS IN ROADWAYS IN THE CENTRAL AND EASTERN PART OF THE COUNTY.
Dec 30, 4:02 PM EST	TORNADO	2 Sw Massee, GA	STRUCTURAL DAMAGE REPORTED IN EASTERN COOK COUNTY WEST OF SR-76.
Dec 30, 4:03 PM EST	TORNADO	2 Sw Massee, GA	NUMEROUS TREES REPORTED DOWN IN EASTERN COOK COUNTY. RADAR CONFIRMED TORNADO VIA TDS FROM KVAX RADAR.

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, 9.0 hours before the alert went out and 113 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: 850 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 526 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

700 
WUUS52 KTAE 302057
SVRTAE
GAC027-071-075-185-302200-
/O.NEW.KTAE.SV.W.0246.211230T2057Z-211230T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
357 PM EST Thu Dec 30 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Cook County in south central Georgia...
  Northwestern Lowndes County in south central Georgia...
  Northwestern Brooks County in south central Georgia...
  Southeastern Colquitt County in south central Georgia...

* Until 500 PM EST.

* At 357 PM EST, a severe thunderstorm was located near Pavo, or 9
  miles southeast of Moultrie, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Adel, Moultrie, Hahira, Sparks, Berlin, Cecil, Reed Bingham State
  Park, Cook Co A/P, Barney, Massee, Autreyville, Greggs, Pine
  Valley, Spence Airport and I-75 At Exit 29.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 8327 3101 8373 3104 8374 3106 8377
      3113 8379 3120 8333 3119 8333 3117 8331
      3115 8330 3111 8332 3108 8330 3107 8330
      3107 8328 3103 8329 3102 8328
TIME...MOT...LOC 2057Z 266DEG 26KT 3105 8371 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

42-DVD

1 follow-up statement

996 
WWUS52 KTAE 302124
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
424 PM EST Thu Dec 30 2021

GAC071-302134-
/O.CAN.KTAE.SV.W.0246.000000T0000Z-211230T2200Z/
Colquitt GA-
424 PM EST Thu Dec 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLQUITT COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3095 8327 3099 8356 3102 8356 3106 8355
      3117 8354 3120 8333 3119 8333 3117 8331
      3115 8330 3111 8332 3108 8330 3107 8330
      3107 8328 3103 8329 3102 8328
TIME...MOT...LOC 2124Z 267DEG 22KT 3105 8353 

$$

GAC027-075-185-302200-
/O.CON.KTAE.SV.W.0246.000000T0000Z-211230T2200Z/
Cook GA-Lowndes GA-Brooks GA-
424 PM EST Thu Dec 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EST
FOR COOK...NORTHWESTERN LOWNDES AND NORTH CENTRAL BROOKS COUNTIES...

At 424 PM EST, a severe thunderstorm was located 8 miles southwest of
Adel, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Adel, Hahira, Sparks, Cecil, Reed Bingham State Park, Cook Co A/P,
Barney, I-75 At Exit 29, Massee, Greggs and Pine Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 8327 3099 8356 3102 8356 3106 8355
      3117 8354 3120 8333 3119 8333 3117 8331
      3115 8330 3111 8332 3108 8330 3107 8330
      3107 8328 3103 8329 3102 8328
TIME...MOT...LOC 2124Z 267DEG 22KT 3105 8353 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 30, 12:10 PM EST	Special Weather Statement	TAE	Seminole	35 min
Dec 30, 12:42 PM EST	Special Weather Statement	TAE	Seminole	48 min
Dec 30, 1:30 PM EST	Special Weather Statement	TAE	Worth	45 min
Dec 30, 1:31 PM EST	Special Weather Statement	TAE	Turner	44 min
Dec 30, 1:34 PM EST	Tornado Warning	TAE	Turner	26 min
Dec 30, 1:54 PM EST	Special Weather Statement	TAE	Dougherty	51 min
Dec 30, 1:57 PM EST	Special Weather Statement	TAE	Irwin	48 min
Dec 30, 2:06 PM EST	Special Weather Statement	TAE	Mitchell	39 min
Dec 30, 2:34 PM EST	Special Weather Statement	TAE	Colquitt	41 min
Dec 30, 3:02 PM EST	Severe Thunderstorm Warning	TAE	Colquitt, Cook	58 min
Dec 30, 3:04 PM EST	Tornado Warning	TAE	Colquitt	41 min
Dec 30, 3:22 PM EST	Special Weather Statement	TAE	Ben Hill	53 min
Dec 30, 3:37 PM EST	Special Weather Statement	TAE	Colquitt	38 min
Dec 30, 4:01 PM EST	Tornado Warning	TAE	Berrien, Cook	44 min
Dec 30, 4:16 PM EST	Special Weather Statement	TAE	Quitman	29 min
Dec 30, 4:39 PM EST	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	36 min
Dec 30, 4:49 PM EST	Special Weather Statement	TAE	Lanier	41 min
Dec 30, 5:09 PM EST	Severe Thunderstorm Warning	TAE	Calhoun, Dougherty, Randolph, Terrell	51 min
Dec 30, 5:13 PM EST	Severe Thunderstorm Warning	TAE	Clay, Early	47 min
Dec 30, 5:31 PM EST	Special Weather Statement	TAE	Lanier	44 min
Dec 30, 5:56 PM EST	Special Weather Statement	TAE	Calhoun, Clay	34 min
Dec 30, 6:08 PM EST	Special Weather Statement	TAE	Lanier	37 min
Dec 30, 6:30 PM EST	Special Weather Statement	TAE	Baker	30 min
Dec 30, 6:52 PM EST	Special Weather Statement	TAE	Dougherty	38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.