Alert archive / South Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 164, NWS Columbia, SC

September 11, 2026Kershaw County, Lee County, Sumter County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Sep 11, 2026, 4:58 PM EDT for Kershaw County, Lee County, Sumter County, South Carolina. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 11, 2026, 4:58 PM EDT (20:58 UTC)
Expired
Sep 11, 2026, 5:45 PM EDT
In force
47 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kershaw County, SC, Lee County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 69 km from the middle of the area, began a volume at 20:59 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 143 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 2026-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3185 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 2026-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
3185 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
688 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 1:26 PM EDTSpecial Weather StatementCAEOrangeburg34 min
Sep 11, 1:43 PM EDTSpecial Weather StatementCAEOrangeburg32 min
Sep 11, 2:50 PM EDTSpecial Weather StatementCAEClarendon25 min
Sep 11, 4:05 PM EDTSpecial Weather StatementCAEAiken, Calhoun40 min
Sep 11, 4:46 PM EDTSpecial Weather StatementCAEAiken29 min
Sep 11, 4:48 PM EDTSpecial Weather StatementCAEKershaw27 min
Sep 11, 4:50 PM EDTSpecial Weather StatementCAELee25 min
Sep 11, 5:08 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lancaster, Lee52 min
Sep 11, 5:15 PM EDTSpecial Weather StatementCAEAiken30 min
Sep 11, 5:44 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Richland, Sumter46 min
Sep 11, 6:22 PM EDTSpecial Weather StatementCAEAiken23 min
Sep 11, 6:28 PM EDTAreal Flood AdvisoryCAEFairfield, Kershaw, Richland3 hr
Sep 11, 6:36 PM EDTSevere Thunderstorm WarningCAEFairfield, Lexington, Newberry, Richland39 min
Sep 11, 7:14 PM EDTSevere Thunderstorm WarningCAEFairfield, Lexington, Newberry, Richland46 min
Sep 11, 7:24 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Saluda3 hr
Sep 11, 7:48 PM EDTSpecial Weather StatementCAENewberry27 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2026Every severe thunderstorm warning in 2026

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.