Alert archive / North Carolina / Tornado Watches in 2023

Tornado Watch 14

January 4, 202310 counties in North Carolina; 8 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jan 4, 2023, 11:19 AM EST for 10 counties in North Carolina; 8 counties in South Carolina. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 4, 2023, 11:19 AM EST (16:19 UTC)
Expired
Jan 4, 2023, 3:04 PM EST
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt

Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, Cumberland County, NC, Hoke County, NC, New Hanover County, NC, Pender County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

What SPC expected

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

Two or more tornadoes
30%
One or more EF2 to EF5 tornadoes
10%
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

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

IssuedProductOfficeCountiesLasted
Jan 4, 12:40 PM ESTSevere Thunderstorm WarningRAHCumberland, Harnett, Johnston, Sampson38 min
Jan 4, 1:29 PM ESTTornado WarningILMHorry31 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.3 hours before the alert went out and 160 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, Charleston AFB, SC at 12:00Z on 2023-01-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 2023-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
463 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 4, 10:21 AM ESTMesoscale DiscussionSPCBladen, Brunswick, Columbus, Duplin, New Hanover, Onslow and 2 more114 min
Jan 4, 12:52 PM ESTMesoscale DiscussionSPCBladen, Brunswick, Columbus, New Hanover, Pender, Sampson113 min
Jan 4, 1:10 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Carteret, Chowan, Craven, Duplin and 20 more95 min
Jan 4, 8:36 AM ESTTornado WatchSPCAiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley and 18 more9 hr

Nearby

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