Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Atlanta, GA

December 30, 20214 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Dec 30, 2021, 2:31 PM EST for 4 counties in Georgia. It was in force for 44 min. 2 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, 2:31 PM EST (19:31 UTC)
Expired
Dec 30, 2021, 3:15 PM EST
In force
44 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.88 in
Wind
60.0 mph

Counties Bibb County, GA, Crawford County, GA, Houston County, GA, Peach County, GA

The radar

The Robins AFB radar (KJGX), 49 km from the middle of the area, began a volume at 19:30 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

TimeReportWhereRemark
Dec 30, 2:45 PM ESTHAIL 11 Ese Powerville, GAQUARTER SIZED HAIL WAS REPORTED ON LAKEVIEW RD.
Dec 30, 2:50 PM ESTHAIL 12 W Centerville, GAQUARTER SIZED HAIL REPORTED ON AMBER DRIVE.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 30, 2:05 PM ESTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 103 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 2021-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 square meters per square second.19395878Sfc1 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
408 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
451 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

735 
WUUS52 KFFC 301931
SVRFFC
GAC021-079-153-225-302015-
/O.NEW.KFFC.SV.W.0161.211230T1931Z-211230T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
231 PM EST Thu Dec 30 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  South central Bibb County in central Georgia...
  Central Peach County in central Georgia...
  North central Houston County in central Georgia...
  Southeastern Crawford County in central Georgia...

* Until 315 PM EST.

* At 231 PM EST, a severe thunderstorm was located over Lee Pope, or
  near Fort Valley, moving east at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Fort Valley, Warner Robins, Centerville, Byron, Nakomis,
  Powerville, Jack Brown Estates, Elberta, Lee Pope and Lakewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3255 8401 3255 8402 3263 8404 3275 8373
      3265 8359 3257 8365
TIME...MOT...LOC 1931Z 256DEG 30KT 3258 8393 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
3 follow-up statements
247 
WWUS52 KFFC 301949
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
249 PM EST Thu Dec 30 2021

GAC079-301958-
/O.CAN.KFFC.SV.W.0161.000000T0000Z-211230T2015Z/
Crawford GA-
249 PM EST Thu Dec 30 2021

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

A Severe Thunderstorm Watch remains in effect until 900 PM EST for
central Georgia.

LAT...LON 3258 8376 3263 8380 3269 8376 3269 8374
      3271 8375 3275 8373 3265 8359 3257 8365
TIME...MOT...LOC 1948Z 256DEG 30KT 3262 8376 

$$

GAC021-153-225-302015-
/O.CON.KFFC.SV.W.0161.000000T0000Z-211230T2015Z/
Bibb GA-Peach GA-Houston GA-
249 PM EST Thu Dec 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EST
FOR SOUTH CENTRAL BIBB...NORTHEASTERN PEACH AND NORTH CENTRAL HOUSTON
COUNTIES...

At 248 PM EST, a severe thunderstorm was located over Powerville, or
8 miles northeast of Fort Valley, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Warner Robins, Centerville, Byron, Elberta and Lakewood. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3258 8376 3263 8380 3269 8376 3269 8374
      3271 8375 3275 8373 3265 8359 3257 8365
TIME...MOT...LOC 1948Z 256DEG 30KT 3262 8376 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
453 
WWUS52 KFFC 302000
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
300 PM EST Thu Dec 30 2021

GAC021-225-302009-
/O.CAN.KFFC.SV.W.0161.000000T0000Z-211230T2015Z/
Bibb GA-Peach GA-
300 PM EST Thu Dec 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BIBB AND
NORTHEASTERN PEACH COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EST for
central Georgia.

LAT...LON 3259 8369 3264 8369 3266 8368 3265 8359
      3257 8365
TIME...MOT...LOC 1959Z 256DEG 30KT 3264 8365 

$$

GAC153-302015-
/O.CON.KFFC.SV.W.0161.000000T0000Z-211230T2015Z/
Houston GA-
300 PM EST Thu Dec 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EST
FOR NORTH CENTRAL HOUSTON COUNTY...

At 259 PM EST, a severe thunderstorm was located over Elberta, or 13
miles south of Macon, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Warner Robins and Centerville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3259 8369 3264 8369 3266 8368 3265 8359
      3257 8365
TIME...MOT...LOC 1959Z 256DEG 30KT 3264 8365 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
612 
WWUS52 KFFC 302007
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
307 PM EST Thu Dec 30 2021

GAC153-302016-
/O.EXP.KFFC.SV.W.0161.000000T0000Z-211230T2015Z/
Houston GA-
307 PM EST Thu Dec 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HOUSTON COUNTY
WILL EXPIRE AT 315 PM EST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM EST for
central Georgia.

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

Remember, a Severe Thunderstorm Warning still remains in effect for
Northeast Houston and Twiggs Counties.

LAT...LON 3259 8369 3264 8369 3266 8368 3265 8359
      3257 8365
TIME...MOT...LOC 2006Z 256DEG 30KT 3265 8359 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 8:28 PM ESTSpecial Weather StatementFFCDade32 min
Dec 29, 8:41 PM ESTSpecial Weather StatementFFCDade34 min
Dec 29, 9:07 PM ESTSpecial Weather StatementFFCCatoosa, Walker23 min
Dec 29, 9:28 PM ESTSpecial Weather StatementFFCMurray, Whitfield32 min
Dec 29, 9:38 PM ESTSevere Thunderstorm WarningFFCChattooga, Dade, Walker52 min
Dec 29, 9:57 PM ESTSpecial Weather StatementFFCFannin, Murray48 min
Dec 29, 10:05 PM ESTSevere Thunderstorm WarningFFCFloyd, Gilmer, Gordon, Murray, Pickens, Whitfield40 min
Dec 29, 10:15 PM ESTSpecial Weather StatementFFCFloyd30 min
Dec 29, 10:31 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Floyd, Paulding, Polk44 min
Dec 29, 10:37 PM ESTSevere Thunderstorm WarningFFCBartow, Dawson, Gilmer, Gordon, Pickens38 min
Dec 29, 10:41 PM ESTSpecial Weather StatementFFCFannin, Gilmer, Union34 min
Dec 29, 10:51 PM ESTSpecial Weather StatementFFCHaralson24 min
Dec 29, 11:08 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Dawson, Forsyth, Fulton and 3 more52 min
Dec 29, 11:12 PM ESTSevere Thunderstorm WarningFFCCarroll, Cobb, Douglas, Haralson, Paulding, Polk48 min
Dec 29, 11:35 PM ESTSpecial Weather StatementFFCBanks, Hall, White25 min
Dec 29, 11:42 PM ESTSpecial Weather StatementFFCFulton, Gwinnett33 min
Dec 29, 11:48 PM ESTSpecial Weather StatementFFCCarroll, Douglas27 min
Dec 30, 12:03 AM ESTSpecial Weather StatementFFCBanks27 min
Dec 30, 12:29 AM ESTSpecial Weather StatementFFCClarke, DeKalb, Jackson, Madison31 min
Dec 30, 1:00 AM ESTSpecial Weather StatementFFCBarrow, Clarke, DeKalb, Fulton, Oconee, Walton60 min
Dec 30, 1:07 AM ESTSpecial Weather StatementFFCHeard23 min
Dec 30, 1:23 AM ESTRiver Flood WarningFFCDade9 hr
Dec 30, 1:27 AM ESTSpecial Weather StatementFFCHeard33 min
Dec 30, 1:53 AM ESTRiver Flood WarningFFCDeKalb4 hr
Dec 30, 2:32 AM ESTSpecial Weather StatementFFCMorgan, Rockdale58 min
Dec 30, 4:50 AM ESTSpecial Weather StatementFFCCoweta, Fayette, Heard40 min
Dec 30, 5:38 AM ESTSpecial Weather StatementFFCClayton, Coweta, Fayette, Heard52 min
Dec 30, 5:45 AM ESTSpecial Weather StatementFFCJefferson30 min
Dec 30, 7:22 AM ESTSpecial Weather StatementFFCDeKalb, Douglas, Fulton, Haralson38 min
Dec 30, 8:25 AM ESTFlash Flood WarningFFCCarroll, Cobb, DeKalb, Douglas, Fulton, Haralson and 1 more6 hr
Dec 30, 8:34 AM ESTRiver Flood WarningFFCForsyth, Fulton52 hr
Dec 30, 8:35 AM ESTFlood WatchFFCBanks, Barrow, Bartow, Butts, Carroll, Cherokee and 34 more10 hr
Dec 30, 8:52 AM ESTSpecial Weather StatementFFCCoweta, Fayette23 min
Dec 30, 9:07 AM ESTSevere Thunderstorm WarningFFCClayton, Coweta, Fayette23 min
Dec 30, 9:28 AM ESTSevere Thunderstorm WarningFFCClayton, Fayette, Henry32 min
Dec 30, 9:33 AM ESTRiver Flood WarningFFCDeKalb, Rockdale11 hr
Dec 30, 9:42 AM ESTRiver Flood WarningFFCDeKalb, Fulton6 hr
Dec 30, 9:45 AM ESTRiver Flood WarningFFCCobb, Douglas54 hr
Dec 30, 9:48 AM ESTRiver Flood WarningFFCDeKalb103 min
Dec 30, 9:55 AM ESTFlash Flood WarningFFCCarroll, Clayton, Coweta, Fayette, Fulton, Heard and 1 more4 hr
Dec 30, 9:57 AM ESTSpecial Weather StatementFFCHenry, Newton33 min
Dec 30, 10:15 AM ESTRiver Flood WarningFFCDeKalb3 hr
Dec 30, 10:28 AM ESTRiver Flood WarningFFCFulton61 min
Dec 30, 10:51 AM ESTFlash Flood WarningFFCGreene, Morgan, Newton, Oconee, Oglethorpe, Rockdale and 2 more6 hr
Dec 30, 11:21 AM ESTRiver Flood WarningFFCNewton, Rockdale26 hr
Dec 30, 11:39 AM ESTSpecial Weather StatementFFCHeard66 min
Dec 30, 12:05 PM ESTRiver Flood WarningFFCForsyth19 hr
Dec 30, 12:11 PM ESTSpecial Weather StatementFFCWilcox34 min
Dec 30, 12:17 PM ESTSpecial Weather StatementFFCJasper, Putnam28 min
Dec 30, 12:35 PM ESTRiver Flood WarningFFCCobb4 hr
Dec 30, 12:46 PM ESTSpecial Weather StatementFFCHancock, Putnam29 min
Dec 30, 12:48 PM ESTSpecial Weather StatementFFCHancock, Putnam27 min
Dec 30, 12:54 PM ESTSpecial Weather StatementFFCDodge36 min
Dec 30, 12:54 PM ESTSpecial Weather StatementFFCDodge36 min
Dec 30, 1:13 PM ESTSpecial Weather StatementFFCTroup32 min
Dec 30, 1:32 PM ESTSevere Thunderstorm WarningFFCMontgomery, Telfair, Wheeler28 min
Dec 30, 2:02 PM ESTSpecial Weather StatementFFCMontgomery, Toombs28 min
Dec 30, 2:05 PM ESTSpecial Weather StatementFFCDodge25 min
Dec 30, 2:12 PM ESTSpecial Weather StatementFFCButts, Lamar, Pike33 min
Dec 30, 2:12 PM ESTSpecial Weather StatementFFCCrawford, Peach33 min
Dec 30, 2:18 PM ESTSevere Thunderstorm WarningFFCButts, Jasper, Lamar, Monroe, Pike27 min
Dec 30, 2:27 PM ESTSpecial Weather StatementFFCToombs33 min
Dec 30, 2:36 PM ESTSpecial Weather StatementFFCTelfair39 min
Dec 30, 2:45 PM ESTSevere Thunderstorm WarningFFCBaldwin, Jasper, Jones, Monroe, Putnam30 min
Dec 30, 2:49 PM ESTSevere Thunderstorm WarningFFCBaldwin, Jones, Wilkinson26 min
Dec 30, 2:59 PM ESTSevere Thunderstorm WarningFFCHouston, Twiggs31 min
Dec 30, 3:15 PM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Troup30 min
Dec 30, 3:19 PM ESTSpecial Weather StatementFFCWheeler26 min
Dec 30, 3:30 PM ESTSevere Thunderstorm WarningFFCTwiggs, Wilkinson45 min
Dec 30, 3:34 PM ESTSpecial Weather StatementFFCJefferson26 min
Dec 30, 3:40 PM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Talbot, Upson50 min
Dec 30, 3:45 PM ESTSevere Thunderstorm WarningFFCHarris, Muscogee31 min
Dec 30, 3:55 PM ESTSpecial Weather StatementFFCTwiggs35 min
Dec 30, 3:56 PM ESTSpecial Weather StatementFFCHouston, Peach34 min
Dec 30, 3:59 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee, Talbot46 min
Dec 30, 4:05 PM ESTSevere Thunderstorm WarningFFCHouston, Macon, Peach40 min
Dec 30, 4:10 PM ESTSevere Thunderstorm WarningFFCCrawford, Monroe, Talbot, Taylor, Upson50 min
Dec 30, 4:15 PM ESTSevere Thunderstorm WarningFFCLaurens, Twiggs, Wilkinson45 min
Dec 30, 4:18 PM ESTTornado WarningFFCCrawford, Taylor, Upson27 min
Dec 30, 4:23 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Stewart, Webster37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.