Alert archive / Georgia / Tornado Warnings in 2021

Tornado Warning 48, NWS Atlanta, GA

December 31, 2021Morgan County, Oconee County, Walton County, Georgia

NWS Atlanta, GA issued this tornado warning at Dec 31, 2021, 6:22 PM EST for Morgan County, Oconee County, Walton County, Georgia. It was in force for 24 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, 6:22 PM EST (23:22 UTC)
Expired
Dec 31, 2021, 6:46 PM EST
In force
24 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Morgan County, GA, Oconee County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 100 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 94 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.

525 
WFUS52 KFFC 312322
TORFFC
GAC211-219-297-010000-
/O.NEW.KFFC.TO.W.0048.211231T2322Z-220101T0000Z/

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

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Southeastern Oconee County in northeastern Georgia...
  Northwestern Morgan County in north central Georgia...
  East central Walton County in north central Georgia...

* Until 700 PM EST.

* At 621 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Ebenezer, or 7 miles southeast of Monroe, moving
  east at 25 mph.

  HAZARD...Tornado.

  SOURCE...Weather spotters reported funnel cloud.

  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...
  Watkinsville, North High Shoals, Bostwick, Bishop, Ebenezer and
  Farmington.

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 3368 8366 3369 8368 3372 8369 3388 8343
      3372 8334 3368 8359
TIME...MOT...LOC 2321Z 250DEG 21KT 3370 8364 

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

$$
1 follow-up statement
204 
WWUS52 KFFC 312346
SVSFFC

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

GAC211-219-297-312356-
/O.CAN.KFFC.TO.W.0048.000000T0000Z-220101T0000Z/
Oconee GA-Morgan GA-Walton GA-
646 PM EST Fri Dec 31 2021

...THE TORNADO WARNING FOR SOUTHEASTERN OCONEE...NORTHWESTERN MORGAN
AND EAST CENTRAL WALTON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3368 8366 3369 8368 3372 8369 3388 8343
      3372 8334 3368 8359
TIME...MOT...LOC 2345Z 250DEG 21KT 3375 8347 

$$

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, 5:37 PM ESTTornado WarningFFCGordon, Pickens23 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, 6:53 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.