Alert archive / Georgia / Severe Thunderstorm Watches in 2021
Severe Thunderstorm Watch 109
The Storm Prediction Center issued this severe thunderstorm watch at Apr 24, 2021, 4:00 PM EDT for 36 counties in Georgia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 24, 2021, 4:00 PM EDT (20:00 UTC)
- Expired
- Apr 24, 2021, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 36 counties
Baker County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Harris County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Webster County, GA, Worth County, GA
The radar
The Robins AFB radar (KJGX), 117 km from the middle of the area, began a volume at 20:01 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 4:34 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Dougherty, Early, Miller, Mitchell | 41 min |
| Apr 24, 4:58 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Colquitt, Dougherty, Lee, Miller, Mitchell and 3 more | 47 min |
| Apr 24, 5:31 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Colquitt, Cook, Irwin, Tift and 2 more | 44 min |
| Apr 24, 5:32 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Meriwether, Troup | 43 min |
| Apr 24, 5:44 PM EDT | Severe Thunderstorm Warning | TAE | Colquitt, Dougherty, Mitchell, Worth | 31 min |
| Apr 24, 6:10 PM EDT | Severe Thunderstorm Warning | TAE | Berrien, Colquitt, Cook, Irwin, Tift, Worth | 80 min |
| Apr 24, 6:37 PM EDT | Tornado Warning | TAE | Baker, Calhoun, Clay, Early, Terrell | 38 min |
| Apr 24, 7:02 PM EDT | Tornado Warning | TAE | Calhoun, Dougherty, Lee, Terrell | 12 min |
| Apr 24, 7:05 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Clay, Early, Randolph, Terrell | 40 min |
| Apr 24, 7:38 PM EDT | Severe Thunderstorm Warning | TAE | Calhoun, Dougherty, Lee, Terrell, Worth | 52 min |
| Apr 24, 7:41 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Irwin, Tift | 19 min |
| Apr 24, 7:47 PM EDT | Severe Thunderstorm Warning | TAE | Calhoun, Clay, Quitman, Randolph | 43 min |
| Apr 24, 7:57 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Irwin, Tift | 33 min |
| Apr 24, 8:01 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Clay, Dougherty, Early, Randolph and 1 more | 29 min |
| Apr 24, 8:05 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Colquitt, Irwin, Tift, Worth | 40 min |
| Apr 24, 8:06 PM EDT | Severe Thunderstorm Warning | TAE | Clay, Early | 39 min |
| Apr 24, 8:10 PM EDT | Tornado Warning | TAE | Berrien, Tift, Worth | 35 min |
| Apr 24, 8:26 PM EDT | Flash Flood Warning | TAE | Ben Hill, Colquitt, Irwin, Mitchell, Tift, Turner and 1 more | 3 hr |
| Apr 24, 8:30 PM EDT | Severe Thunderstorm Warning | TAE | Calhoun, Dougherty, Lee, Terrell, Worth | 45 min |
| Apr 24, 8:37 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Colquitt, Cook, Irwin, Tift and 1 more | 68 min |
| Apr 24, 8:37 PM EDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Clay, Dougherty, Early, Randolph and 1 more | 39 min |
| Apr 24, 8:48 PM EDT | Tornado Warning | TAE | Berrien, Irwin | 12 min |
| Apr 24, 9:21 PM EDT | Severe Thunderstorm Warning | TAE | Berrien, Brooks, Colquitt, Cook, Lanier, Lowndes and 1 more | 54 min |
| Apr 24, 9:55 PM EDT | Tornado Warning | TAE | Berrien, Cook, Lanier, Lowndes | 35 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.0 hours before the alert went out and 167 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
- 175 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 447 m²/s²
- 0-3 km storm-relative helicity
- 570 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
267 WWUS20 KWNS 241957 SEL9 SPC WW 241957 GAZ000-250200- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 109 NWS Storm Prediction Center Norman OK 400 PM EDT Sat Apr 24 2021 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest Georgia * Effective this Saturday afternoon and evening from 400 PM until 1000 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter likely A tornado or two possible SUMMARY...Thunderstorms will continue to intensify over southern Alabama and track eastward into southwest Georgia. Damaging winds and hail appear to be the main threats, but there is some risk of a tornado or two in the most intense cells. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 35 miles east northeast of Columbus GA to 40 miles southwest of Moultrie GA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 107...WW 108... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25035. ...Hart
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 6:22 AM EDT | Tornado Watch | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 9 hr |
| Apr 24, 8:29 AM EDT | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 19 more | 91 min |
| Apr 24, 10:10 AM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 24 more | 95 min |
| Apr 24, 10:35 AM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Camden and 15 more | 7 hr |
| Apr 24, 12:05 PM EDT | Mesoscale Discussion | SPC | Atkinson, Berrien, Brooks, Clinch, Colquitt, Cook and 10 more | 85 min |
| Apr 24, 2:22 PM EDT | Mesoscale Discussion | SPC | Chattooga, Dade, Floyd, Walker | 113 min |
| Apr 24, 4:35 PM EDT | Mesoscale Discussion | SPC | Camden, Charlton | 85 min |
| Apr 24, 5:52 PM EDT | Severe Thunderstorm Watch | SPC | Barrow, Bartow, Butts, Carroll, Chattooga, Cherokee and 26 more | 4 hr |
| Apr 24, 6:56 PM EDT | Mesoscale Discussion | SPC | Baker, Calhoun, Clay, Colquitt, Cook, Dougherty and 8 more | 94 min |
| Apr 24, 7:13 PM EDT | Mesoscale Discussion | SPC | Barrow, Bartow, Butts, Carroll, Chattooga, Cherokee and 31 more | 2 hr |
| Apr 24, 7:47 PM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Bryan and 12 more | 118 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2021Every severe thunderstorm watch 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.