Alert archive / South Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 94, NWS Wilmington, NC

September 11, 2026Marlboro County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Sep 11, 2026, 5:03 PM EDT for Marlboro County, South Carolina. It was in force for 27 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, 5:03 PM EDT (21:03 UTC)
Expired: Sep 11, 2026, 5:30 PM EDT
In force: 27 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 134 km from the middle of the area, began a volume at 21:03 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, 9.1 hours before the alert went out and 192 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 11, 2:50 AM EDT	Coastal Flood Advisory	ILM	New Hanover	9 hr
Sep 11, 12:49 PM EDT	Coastal Flood Advisory	ILM	New Hanover	12 hr
Sep 11, 3:52 PM EDT	Special Weather Statement	ILM	Bladen	23 min
Sep 11, 5:39 PM EDT	Special Weather Statement	ILM	Bladen	36 min
Sep 11, 2:15 PM EDT	Special Weather Statement	ILM	Williamsburg	30 min
Sep 11, 3:32 PM EDT	Special Weather Statement	ILM	Darlington	28 min
Sep 11, 3:58 PM EDT	Special Weather Statement	ILM	Darlington	32 min
Sep 11, 4:16 PM EDT	Severe Thunderstorm Warning	ILM	Dillon, Florence, Marion, Marlboro	26 min
Sep 11, 4:19 PM EDT	Areal Flood Advisory	ILM	Darlington, Dillon, Florence	56 min
Sep 11, 4:27 PM EDT	Special Weather Statement	ILM	Darlington	33 min
Sep 11, 5:00 PM EDT	Special Weather Statement	ILM	Marlboro	30 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2026 Every 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.