Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 153, NWS Atlanta, GA

December 29, 20216 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Dec 29, 2021, 10:31 PM EST for 6 counties in Georgia. It was in force for 44 min. 1 report 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 29, 2021, 10:31 PM EST (03:31 UTC)
Expired
Dec 29, 2021, 11:15 PM EST
In force
44 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bartow County, GA, Cherokee County, GA, Cobb County, GA, Floyd County, GA, Paulding County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 93 km from the middle of the area, began a volume at 03:34 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 29, 10:40 PM ESTTSTM WND DMG3 Nnw Kingston, GAA FEW TREES DOWN AND NUMEROUS LARGE LIMBS DOWN ALONG CONNESEERA RD AND HALL STATION RD.

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 29, 4:53 PM ESTTornado WatchSPC6 hr
Dec 29, 10:16 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.5 hours before the alert went out and 95 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 00:00Z on 2021-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 251 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 00:00Z on 2021-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 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
251 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

066 
WUUS52 KFFC 300331
SVRFFC
GAC015-057-067-115-223-233-300415-
/O.NEW.KFFC.SV.W.0153.211230T0331Z-211230T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
1031 PM EST Wed Dec 29 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Paulding County in northwestern Georgia...
  Cherokee County in north central Georgia...
  Northwestern Cobb County in north central Georgia...
  Southeastern Floyd County in northwestern Georgia...
  Polk County in northwestern Georgia...
  Bartow County in northwestern Georgia...

* Until 1115 PM EST.

* At 1031 PM EST, severe thunderstorms were located along a line
  extending from Pinson to near Lindale to near Pleasant Gap, moving
  east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rome, Canton, Cartersville, Dallas, Cedartown, Kennesaw, Woodstock,
  Acworth, Holly Springs, Adairsville, Rockmart, Euharlee, Hiram,
  Emerson, Ball Ground, Aragon, Cave Spring, White, Waleska and
  Kingston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM EST for northwestern
Georgia. A Tornado Watch also remains in effect until 500 AM EST for
north central and northwestern Georgia.

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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 3422 8524 3439 8513 3440 8458 3438 8458
      3438 8427 3413 8438 3386 8483 3388 8504
      3391 8505 3391 8539 3408 8542
TIME...MOT...LOC 0331Z 274DEG 52KT 3438 8508 3422 8516 3401 8547 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
1 follow-up statement
968 
WWUS52 KFFC 300345
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
1045 PM EST Wed Dec 29 2021

GAC015-057-067-115-223-233-300415-
/O.CON.KFFC.SV.W.0153.000000T0000Z-211230T0415Z/
Paulding GA-Cherokee GA-Cobb GA-Floyd GA-Polk GA-Bartow GA-
1045 PM EST Wed Dec 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EST
FOR PAULDING...CHEROKEE...NORTHWESTERN COBB...SOUTHEASTERN FLOYD...
POLK AND BARTOW COUNTIES...

At 1045 PM EST, severe thunderstorms were located along a line
extending from Adairsville to near Cassville to Esom Hill, moving
east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Canton, Cartersville, Dallas, Cedartown, Kennesaw, Woodstock,
Acworth, Holly Springs, Adairsville, Rockmart, Euharlee, Hiram,
Emerson, Ball Ground, Aragon, Cave Spring, White, Waleska, Kingston
and Braswell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch also remains in effect until 500 AM EST for north 
central and northwestern Georgia. Tornadoes can develop quickly from 
severe thunderstorms. Although a tornado is not immediately likely, 
if one is spotted act quickly and move to a place of safety inside a 
sturdy structure, such as a basement or small interior room.

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

&&

LAT...LON 3420 8510 3439 8503 3440 8458 3438 8458
      3438 8427 3413 8438 3386 8483 3388 8504
      3391 8505 3391 8539 3407 8542
TIME...MOT...LOC 0345Z 278DEG 45KT 3439 8492 3425 8490 3392 8540 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

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, 10:37 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, 2:31 PM ESTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Peach44 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.