Alert archive / Georgia / Tornado Watches in 2023
Tornado Watch 13
The Storm Prediction Center issued this tornado watch at Jan 4, 2023, 8:36 AM EST for 21 counties in Florida; 47 counties in Georgia; 24 counties in South Carolina. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 4, 2023, 8:36 AM EST (13:36 UTC)
- Expired
- Jan 4, 2023, 5:45 PM EST
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 92 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Irwin County, GA, Jeff Davis County, GA, Jenkins County, GA, Lanier County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, McDuffie County, GA, McIntosh County, GA, Montgomery County, GA, Pierce County, GA, Richmond County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC
The radar
The Moody AFB radar (KVAX), 96 km from the middle of the area, began a volume at 13:37 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
55 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 9:17 AM EST | Severe Thunderstorm Warning | TAE | Calhoun, Franklin, Gulf, Liberty | 58 min |
| Jan 4, 9:21 AM EST | Severe Thunderstorm Warning | CAE | Burke, Columbia, McDuffie, Richmond | 54 min |
| Jan 4, 9:41 AM EST | Severe Thunderstorm Warning | CAE | Edgefield, Saluda | 39 min |
| Jan 4, 9:43 AM EST | Severe Thunderstorm Warning | TAE | Baker, Colquitt, Decatur, Grady, Mitchell, Thomas | 47 min |
| Jan 4, 9:50 AM EST | Severe Thunderstorm Warning | TAE | Franklin, Jefferson, Leon, Liberty, Wakulla | 55 min |
| Jan 4, 9:56 AM EST | Severe Thunderstorm Warning | CAE | Burke, Richmond | 49 min |
| Jan 4, 10:00 AM EST | Tornado Warning | CAE | Aiken, Edgefield, Saluda | 30 min |
| Jan 4, 10:16 AM EST | Severe Thunderstorm Warning | CAE | Aiken, Calhoun, Fairfield, Lexington, Newberry, Richland and 1 more | 44 min |
| Jan 4, 10:20 AM EST | Severe Thunderstorm Warning | CHS | Screven | 55 min |
| Jan 4, 10:31 AM EST | Severe Thunderstorm Warning | TAE | Dixie, Jefferson, Lafayette, Madison, Taylor | 89 min |
| Jan 4, 10:31 AM EST | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 44 min |
| Jan 4, 10:32 AM EST | Tornado Warning | CAE | Aiken, Calhoun, Lexington, Orangeburg | 28 min |
| Jan 4, 10:33 AM EST | Tornado Warning | TAE | Colquitt, Mitchell, Worth | 12 min |
| Jan 4, 10:35 AM EST | Severe Thunderstorm Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg and 2 more | 40 min |
| Jan 4, 10:38 AM EST | Tornado Warning | CAE | Lexington | 22 min |
| Jan 4, 10:54 AM EST | Tornado Warning | CAE | Calhoun, Lexington, Orangeburg, Richland | 36 min |
| Jan 4, 10:55 AM EST | Tornado Warning | CAE | Calhoun, Lexington, Richland | 19 min |
| Jan 4, 11:01 AM EST | Severe Thunderstorm Warning | TAE | Berrien, Brooks, Cook, Lanier, Lowndes | 59 min |
| Jan 4, 11:08 AM EST | Severe Thunderstorm Warning | CHS | Allendale, Hampton | 30 min |
| Jan 4, 11:17 AM EST | Severe Thunderstorm Warning | CAE | Calhoun, Clarendon, Kershaw, Lee, Orangeburg, Richland and 1 more | 58 min |
| Jan 4, 11:19 AM EST | Severe Thunderstorm Warning | CHS | Effingham, Screven | 41 min |
| Jan 4, 11:26 AM EST | Tornado Warning | TAE | Brooks, Lowndes | 34 min |
| Jan 4, 11:31 AM EST | Tornado Warning | CHS | Effingham | 16 min |
| Jan 4, 11:34 AM EST | Severe Thunderstorm Warning | CHS | Colleton, Dorchester | 41 min |
| Jan 4, 11:39 AM EST | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 36 min |
| Jan 4, 11:42 AM EST | Severe Thunderstorm Warning | JAX | Atkinson, Clinch | 33 min |
| Jan 4, 12:04 PM EST | Tornado Warning | JAX | Atkinson, Clinch | 26 min |
| Jan 4, 12:06 PM EST | Severe Thunderstorm Warning | TAE | Lanier, Lowndes | 24 min |
| Jan 4, 12:14 PM EST | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 46 min |
| Jan 4, 12:29 PM EST | Tornado Warning | JAX | Atkinson, Ware | 31 min |
| Jan 4, 12:30 PM EST | Tornado Warning | JAX | Clinch | 15 min |
| Jan 4, 12:46 PM EST | Severe Thunderstorm Warning | JAX | Charlton, Clinch, Ware | 29 min |
| Jan 4, 12:51 PM EST | Severe Thunderstorm Warning | JAX | Appling, Bacon, Brantley, Pierce, Ware | 24 min |
| Jan 4, 1:02 PM EST | Tornado Warning | JAX | Pierce | 18 min |
| Jan 4, 1:11 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 34 min |
| Jan 4, 1:18 PM EST | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty, Long, McIntosh | 57 min |
| Jan 4, 1:27 PM EST | Tornado Warning | JAX | Camden, Charlton | 18 min |
| Jan 4, 1:32 PM EST | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton, Nassau | 43 min |
| Jan 4, 1:40 PM EST | Tornado Warning | JAX | Baker, Columbia | 35 min |
| Jan 4, 1:47 PM EST | Severe Thunderstorm Warning | JAX | Camden, Charlton, Glynn | 28 min |
| Jan 4, 2:01 PM EST | Tornado Warning | JAX | Camden, Glynn | 14 min |
| Jan 4, 2:12 PM EST | Tornado Warning | JAX | Camden, Glynn | 18 min |
| Jan 4, 2:17 PM EST | Severe Thunderstorm Warning | JAX | Baker, Columbia, Gilchrist, Nassau, Suwannee, Union | 28 min |
| Jan 4, 2:28 PM EST | Severe Thunderstorm Warning | JAX | Camden, Glynn | 17 min |
| Jan 4, 2:40 PM EST | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Columbia, Gilchrist, Union | 35 min |
| Jan 4, 2:43 PM EST | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Columbia, Gilchrist, Union | 47 min |
| Jan 4, 2:47 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 28 min |
| Jan 4, 2:50 PM EST | Severe Thunderstorm Warning | JAX | Baker, Bradford, Columbia, Union | 25 min |
| Jan 4, 3:11 PM EST | Severe Thunderstorm Warning | JAX | Baker, Bradford, Clay, Duval, Nassau, Union | 49 min |
| Jan 4, 3:14 PM EST | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Gilchrist, Marion | 46 min |
| Jan 4, 3:15 PM EST | Severe Thunderstorm Warning | JAX | Duval, Nassau | 45 min |
| Jan 4, 3:44 PM EST | Severe Thunderstorm Warning | JAX | Bradford, Clay, Duval, Saint Johns | 46 min |
| Jan 4, 3:57 PM EST | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Marion, Putnam | 48 min |
| Jan 4, 4:14 PM EST | Severe Thunderstorm Warning | JAX | Duval, Saint Johns | 31 min |
| Jan 4, 5:14 PM EST | Severe Thunderstorm Warning | JAX | Flagler, Saint Johns | 19 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
Jacksonville, FL (KJAX), launched 12:00Z, 1.6 hours before the alert went out and 179 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
- 430 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
The text
As transmitted.
286 WWUS20 KWNS 041333 SEL3 SPC WW 041333 FLZ000-GAZ000-SCZ000-CWZ000-041900- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 13 NWS Storm Prediction Center Norman OK 835 AM EST Wed Jan 4 2023 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northern Florida and eastern Florida Panhandle Eastern and southern Georgia Southern and central South Carolina Coastal Waters * Effective this Wednesday morning and afternoon from 835 AM until 200 PM EST. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 70 mph possible SUMMARY...A line of strong-severe thunderstorms should proceed eastward out of tornado watch 12 and across this area, offering damaging winds and the potential for a couple tornadoes before it weakens later today. The tornado watch area is approximately along and 60 statute miles east and west of a line from 40 miles southeast of Tallahassee FL to 35 miles north northeast of Columbia SC. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 12... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 24035. ...Edwards
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 3:06 AM EST | Mesoscale Discussion | SPC | Escambia, Holmes, Okaloosa, Santa Rosa, Walton, Washington | 114 min |
| Jan 4, 3:59 AM EST | Tornado Watch | SPC | Bay, Calhoun, Escambia, Gadsden, Gulf, Holmes and 6 more | 7 hr |
| Jan 4, 8:07 AM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Hamilton and 9 more | 113 min |
| Jan 4, 12:36 PM EST | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Lafayette, Nassau, Suwannee and 2 more | 114 min |
| Jan 4, 3:26 PM EST | Mesoscale Discussion | SPC | Alachua, Bradford, Clay, Duval, Flagler, Marion and 4 more | 94 min |
| Jan 4, 10:21 AM EST | Mesoscale Discussion | SPC | Aiken, Bamberg, Barnwell, Berkeley, Calhoun, Clarendon and 14 more | 114 min |
| Jan 4, 11:19 AM EST | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 4 hr |
| Jan 4, 12:52 PM EST | Mesoscale Discussion | SPC | Georgetown, Horry, Marion, Williamsburg | 113 min |
Nearby
Tornado Watches in Georgia, 2023Tornado Watches in South Carolina, 2023Tornado Watches in Florida, 2023Every tornado watch in 2023
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.