Alert archive / South Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 122, NWS Columbia, SC

August 14, 2026Aiken County, Edgefield County, McCormick County, South Carolina; Columbia County, Richmond County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Aug 14, 2026, 6:38 PM EDT for Aiken County, Edgefield County, McCormick County, South Carolina; Columbia County, Richmond County, Georgia. It was in force for 42 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
Aug 14, 2026, 6:38 PM EDT (22:38 UTC)
Expired
Aug 14, 2026, 7:20 PM EDT
In force
42 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Columbia County, GA, Richmond County, GA, Aiken County, SC, Edgefield County, SC, McCormick County, SC

The radar

The Columbia radar (KCAE), 93 km from the middle of the area, began a volume at 22:40 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.6 hours before the alert went out and 229 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, Peachtre/Fal Fld, GA at 12:00Z on 2026-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2327 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, Peachtre/Fal Fld, GA at 12:00Z on 2026-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
2327 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-45 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
Aug 13, 8:18 PM EDTSpecial Weather StatementCAEClarendon42 min
Aug 14, 2:21 PM EDTSpecial Weather StatementCAELexington, Richland24 min
Aug 14, 5:13 PM EDTSpecial Weather StatementCAEMcCormick32 min
Aug 14, 6:10 PM EDTSpecial Weather StatementCAECalhoun35 min
Aug 14, 6:13 PM EDTSpecial Weather StatementCAEEdgefield32 min
Aug 14, 6:14 PM EDTSevere Thunderstorm WarningCAEAiken, Lexington, Orangeburg46 min
Aug 14, 6:33 PM EDTSevere Thunderstorm WarningCAECalhoun, Orangeburg42 min
Aug 14, 6:58 PM EDTSpecial Weather StatementCAESaluda47 min
Aug 14, 7:09 PM EDTSpecial Weather StatementCAEOrangeburg51 min
Aug 14, 7:33 PM EDTSpecial Weather StatementCAEMcCormick27 min
Aug 14, 1:19 PM EDTSpecial Weather StatementCAEBurke41 min
Aug 14, 7:01 PM EDTSpecial Weather StatementCAERichmond44 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2026Severe Thunderstorm Warnings in Georgia, 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.