Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 166, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Dec 30, 2021, 3:30 PM EST for Twiggs County, Wilkinson County, Georgia. It was in force for 45 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, 3:30 PM EST (20:30 UTC)
- Expired
- Dec 30, 2021, 4:15 PM EST
- In force
- 45 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Twiggs County, GA, Wilkinson County, GA
The radar
The Robins AFB radar (KJGX), 18 km from the middle of the area, began a volume at 20:29 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, 3:35 PM EST | TSTM WND DMG | 4 Wnw Danville, GA | TREE AND POWERLINES REPORTED DOWN AT THE INTERSECTION OF HWY 80 AND GALLIMORE MILL RD. |
| Dec 30, 3:38 PM EST | TSTM WND DMG | 3 Nnw Danville, GA | TREE REPORTED DOWN IN JACK CLAY RD NEAR THE INTERSECTION WITH GALLIMORE 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 30, 2:05 PM EST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.5 hours before the alert went out and 146 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.
- 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
The text
As transmitted.
453
WUUS52 KFFC 302030
SVRFFC
GAC289-319-302115-
/O.NEW.KFFC.SV.W.0166.211230T2030Z-211230T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
330 PM EST Thu Dec 30 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Southern Wilkinson County in central Georgia...
East central Twiggs County in central Georgia...
* Until 415 PM EST.
* At 330 PM EST, a severe thunderstorm was located over District
Path, or near Jeffersonville, moving east at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Irwinton, Toomsboro and Nicklesville.
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 3266 8307 3265 8309 3261 8332 3270 8329
3274 8334 3284 8310 3273 8297
TIME...MOT...LOC 2030Z 255DEG 26KT 3264 8334
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 8:28 PM EST | Special Weather Statement | FFC | Dade | 32 min |
| Dec 29, 8:41 PM EST | Special Weather Statement | FFC | Dade | 34 min |
| Dec 29, 9:07 PM EST | Special Weather Statement | FFC | Catoosa, Walker | 23 min |
| Dec 29, 9:28 PM EST | Special Weather Statement | FFC | Murray, Whitfield | 32 min |
| Dec 29, 9:38 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 52 min |
| Dec 29, 9:57 PM EST | Special Weather Statement | FFC | Fannin, Murray | 48 min |
| Dec 29, 10:05 PM EST | Severe Thunderstorm Warning | FFC | Floyd, Gilmer, Gordon, Murray, Pickens, Whitfield | 40 min |
| Dec 29, 10:15 PM EST | Special Weather Statement | FFC | Floyd | 30 min |
| Dec 29, 10:31 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Floyd, Paulding, Polk | 44 min |
| Dec 29, 10:37 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Dawson, Gilmer, Gordon, Pickens | 38 min |
| Dec 29, 10:41 PM EST | Special Weather Statement | FFC | Fannin, Gilmer, Union | 34 min |
| Dec 29, 10:51 PM EST | Special Weather Statement | FFC | Haralson | 24 min |
| Dec 29, 11:08 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Dawson, Forsyth, Fulton and 3 more | 52 min |
| Dec 29, 11:12 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Cobb, Douglas, Haralson, Paulding, Polk | 48 min |
| Dec 29, 11:35 PM EST | Special Weather Statement | FFC | Banks, Hall, White | 25 min |
| Dec 29, 11:42 PM EST | Special Weather Statement | FFC | Fulton, Gwinnett | 33 min |
| Dec 29, 11:48 PM EST | Special Weather Statement | FFC | Carroll, Douglas | 27 min |
| Dec 30, 12:03 AM EST | Special Weather Statement | FFC | Banks | 27 min |
| Dec 30, 12:29 AM EST | Special Weather Statement | FFC | Clarke, DeKalb, Jackson, Madison | 31 min |
| Dec 30, 1:00 AM EST | Special Weather Statement | FFC | Barrow, Clarke, DeKalb, Fulton, Oconee, Walton | 60 min |
| Dec 30, 1:07 AM EST | Special Weather Statement | FFC | Heard | 23 min |
| Dec 30, 1:23 AM EST | River Flood Warning | FFC | Dade | 9 hr |
| Dec 30, 1:27 AM EST | Special Weather Statement | FFC | Heard | 33 min |
| Dec 30, 1:53 AM EST | River Flood Warning | FFC | DeKalb | 4 hr |
| Dec 30, 2:32 AM EST | Special Weather Statement | FFC | Morgan, Rockdale | 58 min |
| Dec 30, 4:50 AM EST | Special Weather Statement | FFC | Coweta, Fayette, Heard | 40 min |
| Dec 30, 5:38 AM EST | Special Weather Statement | FFC | Clayton, Coweta, Fayette, Heard | 52 min |
| Dec 30, 5:45 AM EST | Special Weather Statement | FFC | Jefferson | 30 min |
| Dec 30, 7:22 AM EST | Special Weather Statement | FFC | DeKalb, Douglas, Fulton, Haralson | 38 min |
| Dec 30, 8:25 AM EST | Flash Flood Warning | FFC | Carroll, Cobb, DeKalb, Douglas, Fulton, Haralson and 1 more | 6 hr |
| Dec 30, 8:34 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 52 hr |
| Dec 30, 8:35 AM EST | Flood Watch | FFC | Banks, Barrow, Bartow, Butts, Carroll, Cherokee and 34 more | 10 hr |
| Dec 30, 8:52 AM EST | Special Weather Statement | FFC | Coweta, Fayette | 23 min |
| Dec 30, 9:07 AM EST | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Fayette | 23 min |
| Dec 30, 9:28 AM EST | Severe Thunderstorm Warning | FFC | Clayton, Fayette, Henry | 32 min |
| Dec 30, 9:33 AM EST | River Flood Warning | FFC | DeKalb, Rockdale | 11 hr |
| Dec 30, 9:42 AM EST | River Flood Warning | FFC | DeKalb, Fulton | 6 hr |
| Dec 30, 9:45 AM EST | River Flood Warning | FFC | Cobb, Douglas | 54 hr |
| Dec 30, 9:48 AM EST | River Flood Warning | FFC | DeKalb | 103 min |
| Dec 30, 9:55 AM EST | Flash Flood Warning | FFC | Carroll, Clayton, Coweta, Fayette, Fulton, Heard and 1 more | 4 hr |
| Dec 30, 9:57 AM EST | Special Weather Statement | FFC | Henry, Newton | 33 min |
| Dec 30, 10:15 AM EST | River Flood Warning | FFC | DeKalb | 3 hr |
| Dec 30, 10:28 AM EST | River Flood Warning | FFC | Fulton | 61 min |
| Dec 30, 10:51 AM EST | Flash Flood Warning | FFC | Greene, Morgan, Newton, Oconee, Oglethorpe, Rockdale and 2 more | 6 hr |
| Dec 30, 11:21 AM EST | River Flood Warning | FFC | Newton, Rockdale | 26 hr |
| Dec 30, 11:39 AM EST | Special Weather Statement | FFC | Heard | 66 min |
| Dec 30, 12:05 PM EST | River Flood Warning | FFC | Forsyth | 19 hr |
| Dec 30, 12:11 PM EST | Special Weather Statement | FFC | Wilcox | 34 min |
| Dec 30, 12:17 PM EST | Special Weather Statement | FFC | Jasper, Putnam | 28 min |
| Dec 30, 12:35 PM EST | River Flood Warning | FFC | Cobb | 4 hr |
| Dec 30, 12:46 PM EST | Special Weather Statement | FFC | Hancock, Putnam | 29 min |
| Dec 30, 12:48 PM EST | Special Weather Statement | FFC | Hancock, Putnam | 27 min |
| Dec 30, 12:54 PM EST | Special Weather Statement | FFC | Dodge | 36 min |
| Dec 30, 12:54 PM EST | Special Weather Statement | FFC | Dodge | 36 min |
| Dec 30, 1:13 PM EST | Special Weather Statement | FFC | Troup | 32 min |
| Dec 30, 1:32 PM EST | Severe Thunderstorm Warning | FFC | Montgomery, Telfair, Wheeler | 28 min |
| Dec 30, 2:02 PM EST | Special Weather Statement | FFC | Montgomery, Toombs | 28 min |
| Dec 30, 2:05 PM EST | Special Weather Statement | FFC | Dodge | 25 min |
| Dec 30, 2:12 PM EST | Special Weather Statement | FFC | Butts, Lamar, Pike | 33 min |
| Dec 30, 2:12 PM EST | Special Weather Statement | FFC | Crawford, Peach | 33 min |
| Dec 30, 2:18 PM EST | Severe Thunderstorm Warning | FFC | Butts, Jasper, Lamar, Monroe, Pike | 27 min |
| Dec 30, 2:27 PM EST | Special Weather Statement | FFC | Toombs | 33 min |
| Dec 30, 2:31 PM EST | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Houston, Peach | 44 min |
| Dec 30, 2:36 PM EST | Special Weather Statement | FFC | Telfair | 39 min |
| Dec 30, 2:45 PM EST | Severe Thunderstorm Warning | FFC | Baldwin, Jasper, Jones, Monroe, Putnam | 30 min |
| Dec 30, 2:49 PM EST | Severe Thunderstorm Warning | FFC | Baldwin, Jones, Wilkinson | 26 min |
| Dec 30, 2:59 PM EST | Severe Thunderstorm Warning | FFC | Houston, Twiggs | 31 min |
| Dec 30, 3:15 PM EST | Severe Thunderstorm Warning | FFC | Harris, Meriwether, Troup | 30 min |
| Dec 30, 3:19 PM EST | Special Weather Statement | FFC | Wheeler | 26 min |
| Dec 30, 3:34 PM EST | Special Weather Statement | FFC | Jefferson | 26 min |
| Dec 30, 3:40 PM EST | Severe Thunderstorm Warning | FFC | Harris, Meriwether, Talbot, Upson | 50 min |
| Dec 30, 3:45 PM EST | Severe Thunderstorm Warning | FFC | Harris, Muscogee | 31 min |
| Dec 30, 3:55 PM EST | Special Weather Statement | FFC | Twiggs | 35 min |
| Dec 30, 3:56 PM EST | Special Weather Statement | FFC | Houston, Peach | 34 min |
| Dec 30, 3:59 PM EST | Severe Thunderstorm Warning | FFC | Chattahoochee, Marion, Muscogee, Talbot | 46 min |
| Dec 30, 4:05 PM EST | Severe Thunderstorm Warning | FFC | Houston, Macon, Peach | 40 min |
| Dec 30, 4:10 PM EST | Severe Thunderstorm Warning | FFC | Crawford, Monroe, Talbot, Taylor, Upson | 50 min |
| Dec 30, 4:15 PM EST | Severe Thunderstorm Warning | FFC | Laurens, Twiggs, Wilkinson | 45 min |
| Dec 30, 4:18 PM EST | Tornado Warning | FFC | Crawford, Taylor, Upson | 27 min |
| Dec 30, 4:23 PM EST | Severe Thunderstorm Warning | FFC | Chattahoochee, Marion, Stewart, Webster | 37 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.