Alert archive / South Carolina / Tornado Watches in 2023

Tornado Watch 23

January 12, 20239 counties in Georgia; 13 counties in North Carolina; 23 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jan 12, 2023, 4:41 PM EST for 9 counties in Georgia; 13 counties in North Carolina; 23 counties in South Carolina. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jan 12, 2023, 4:41 PM EST (21:41 UTC)
Expired
Jan 12, 2023, 8:03 PM EST
In force
3 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
55 kt
All 45 counties

Burke County, GA, Columbia County, GA, Elbert County, GA, Franklin County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Stephens County, GA, Alexander County, NC, Cabarrus County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Iredell County, NC, Lincoln County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Union County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Barnwell County, SC, Cherokee County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC, York County, SC

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jan 12, 5:00 PM ESTTornado WarningCAEColumbia, Lincoln, McDuffie45 min
Jan 12, 5:09 PM ESTSevere Thunderstorm WarningGSPAlexander, Catawba, Iredell36 min
Jan 12, 5:10 PM ESTSevere Thunderstorm WarningGSPCleveland, Polk, Rutherford50 min
Jan 12, 5:19 PM ESTSevere Thunderstorm WarningGSPCatawba, Iredell, Lincoln26 min
Jan 12, 5:32 PM ESTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln58 min
Jan 12, 5:33 PM ESTTornado WarningCAEEdgefield, McCormick, Saluda20 min
Jan 12, 5:39 PM ESTTornado WarningGSPLaurens15 min
Jan 12, 5:42 PM ESTSevere Thunderstorm WarningGSPCherokee, Chester, Laurens, Spartanburg, Union, York63 min
Jan 12, 5:48 PM ESTSevere Thunderstorm WarningGSPCatawba, Iredell, Lincoln42 min
Jan 12, 5:56 PM ESTSevere Thunderstorm WarningCAEColumbia, Lincoln, McDuffie49 min
Jan 12, 6:03 PM ESTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens42 min
Jan 12, 6:10 PM ESTTornado WarningGSPGaston, Lincoln, Mecklenburg35 min
Jan 12, 6:18 PM ESTSevere Thunderstorm WarningGSPCabarrus, Catawba, Davie, Iredell, Rowan42 min
Jan 12, 6:20 PM ESTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg55 min
Jan 12, 6:20 PM ESTTornado WarningGSPAbbeville, Greenwood, Laurens, Union40 min
Jan 12, 6:28 PM ESTSevere Thunderstorm WarningGSPCabarrus, Gaston, Mecklenburg62 min
Jan 12, 6:32 PM ESTSevere Thunderstorm WarningGSPChester, Greenwood, Laurens, Union28 min
Jan 12, 6:43 PM ESTSevere Thunderstorm WarningCAEColumbia, Richmond47 min
Jan 12, 6:45 PM ESTSevere Thunderstorm Warning Considerable damage threatCAEEdgefield, Newberry, Saluda45 min
Jan 12, 6:56 PM ESTSevere Thunderstorm WarningCAEAiken, Edgefield, McCormick, Saluda34 min
Jan 12, 6:58 PM ESTSevere Thunderstorm WarningGSPRowan32 min
Jan 12, 6:59 PM ESTSevere Thunderstorm WarningGSPUnion61 min
Jan 12, 7:10 PM ESTSevere Thunderstorm WarningGSPCabarrus20 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 239 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, Greensboro/Hi Pt, NC at 12:00Z on 2023-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2023-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 10:13 AM ESTMesoscale DiscussionSPCBartow, Catoosa, Chattooga, Dade, Floyd, Gordon and 4 more62 min
Jan 12, 11:03 AM ESTTornado WatchSPCBartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 11 more6 hr
Jan 12, 11:52 AM ESTMesoscale DiscussionSPCBartow, Carroll, Cherokee, Clayton, Cobb, Coweta and 17 more53 min
Jan 12, 1:06 PM ESTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Butts and 74 more8 hr
Jan 12, 2:19 PM ESTMesoscale DiscussionSPCBaker, Calhoun, Clay, Decatur, Early, Miller and 6 more116 min
Jan 12, 3:01 PM ESTMesoscale DiscussionSPCClayton, Coweta, Fayette, Heard, Henry, Meriwether and 3 more119 min
Jan 12, 3:36 PM ESTTornado WatchSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more6 hr
Jan 12, 4:16 PM ESTMesoscale DiscussionSPCColumbia, Elbert, Franklin, Hart, Lincoln, Stephens59 min
Jan 12, 4:43 PM ESTMesoscale DiscussionSPCCalhoun, Clay, Dougherty, Lee, Quitman, Randolph and 5 more92 min
Jan 12, 6:12 PM ESTMesoscale DiscussionSPCBleckley, Calhoun, Colquitt, Crisp, Dodge, Dooly and 15 more93 min
Jan 12, 5:54 PM ESTMesoscale DiscussionSPCAlamance, Alexander, Anson, Cabarrus, Caswell, Catawba and 28 more96 min

Nearby

Tornado Watches in South Carolina, 2023Tornado Watches in North Carolina, 2023Tornado Watches in Georgia, 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.