Alert archive / Georgia / Tornado Warnings in 2021

Tornado Warning 45, NWS Atlanta, GA

December 31, 2021Gordon County, Pickens County, Georgia

NWS Atlanta, GA issued this tornado warning at Dec 31, 2021, 5:37 PM EST for Gordon County, Pickens County, Georgia. It was in force for 23 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
Dec 31, 2021, 5:37 PM EST (22:37 UTC)
Expired
Dec 31, 2021, 6:00 PM EST
In force
23 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Gordon County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 127 km from the middle of the area, began a volume at 22:37 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.6 hours before the alert went out and 127 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 2021-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

596 
WFUS52 KFFC 312237
TORFFC
GAC129-227-312300-
/O.NEW.KFFC.TO.W.0045.211231T2237Z-211231T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
537 PM EST Fri Dec 31 2021

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Southeastern Gordon County in northwestern Georgia...
  Northwestern Pickens County in north central Georgia...

* Until 600 PM EST.
    
* At 537 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Sonoraville, or near Calhoun, moving east at 30
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Fairmount, Ranger, Sonoraville and Hinton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3455 8465 3455 8460 3443 8456 3442 8485
      3443 8486 3446 8487 3450 8485 3458 8465
TIME...MOT...LOC 2237Z 257DEG 27KT 3447 8484 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
1 follow-up statement
223 
WWUS52 KFFC 312259
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
559 PM EST Fri Dec 31 2021

GAC129-227-312309-
/O.EXP.KFFC.TO.W.0045.000000T0000Z-211231T2300Z/
Gordon GA-Pickens GA-
559 PM EST Fri Dec 31 2021

...THE TORNADO WARNING FOR SOUTHEASTERN GORDON AND NORTHWESTERN
PICKENS COUNTIES WILL EXPIRE AT 600 PM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3455 8465 3455 8460 3443 8456 3442 8485
      3443 8486 3446 8487 3450 8485 3458 8465
TIME...MOT...LOC 2259Z 257DEG 27KT 3450 8466 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 7:15 PM ESTSpecial Weather StatementFFCMontgomery, Telfair, Toombs, Treutlen, Wheeler30 min
Dec 30, 7:42 PM ESTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen18 min
Dec 30, 8:35 PM ESTRiver Flood WarningFFCCoweta, Fayette, Spalding23 hr
Dec 31, 12:17 AM ESTRiver Flood WarningFFCCobb, Paulding13 hr
Dec 31, 3:48 AM ESTDense Fog AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Butts and 74 more6 hr
Dec 31, 7:35 AM ESTRiver Flood WarningFFCClayton, Fayette, Spalding13 hr
Dec 31, 7:59 AM ESTRiver Flood WarningFFCButts, Henry, Newton7 hr
Dec 31, 1:17 PM ESTRiver Flood WarningFFCClayton, Fayette, Spalding7 hr
Dec 31, 1:55 PM ESTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs4 days
Dec 31, 5:08 PM ESTSpecial Weather StatementFFCGordon52 min
Dec 31, 5:46 PM ESTTornado WarningFFCMorgan, Newton, Walton44 min
Dec 31, 6:13 PM ESTSpecial Weather StatementFFCCobb32 min
Dec 31, 6:20 PM ESTTornado WarningFFCCobb, Paulding25 min
Dec 31, 6:22 PM ESTTornado WarningFFCMorgan, Oconee, Walton24 min
Dec 31, 6:53 PM ESTSpecial Weather StatementFFCLumpkin, White52 min

Nearby

Tornado Warnings in Georgia, 2021Every tornado warning in 2021Tornadoes 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.