Alert archive / North Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 340, NWS Greenville-Spartanburg, SC

September 18, 2026Cabarrus County, Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 18, 2026, 3:29 PM EDT for Cabarrus County, Rowan County, North Carolina. It was in force for 46 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 18, 2026, 3:29 PM EDT (19:29 UTC)
Expired
Sep 18, 2026, 4:15 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cabarrus County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 168 km from the middle of the area, began a volume at 19:32 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.5 hours before the alert went out and 85 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 2026-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 587 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, Greensboro/Hi Pt, NC at 12:00Z on 2026-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
587 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 2:25 PM EDTSpecial Weather StatementGSPDavie35 min
Sep 18, 2:40 PM EDTSevere Thunderstorm WarningGSPDavie35 min
Sep 18, 2:46 PM EDTSpecial Weather StatementGSPIredell29 min
Sep 18, 2:47 PM EDTSpecial Weather StatementGSPRowan43 min
Sep 18, 3:02 PM EDTSpecial Weather StatementGSPRowan28 min
Sep 18, 3:06 PM EDTSpecial Weather StatementGSPIredell39 min
Sep 18, 3:27 PM EDTSpecial Weather StatementGSPCabarrus, Rowan48 min
Sep 18, 3:32 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba, Iredell43 min
Sep 18, 4:13 PM EDTSpecial Weather StatementGSPCatawba32 min
Sep 18, 4:34 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln41 min
Sep 18, 4:37 PM EDTSpecial Weather StatementGSPMitchell38 min
Sep 18, 4:57 PM EDTSpecial Weather StatementGSPBurke33 min
Sep 18, 4:58 PM EDTSpecial Weather StatementGSPUnion32 min
Sep 18, 5:17 PM EDTSpecial Weather StatementGSPMecklenburg28 min
Sep 18, 5:22 PM EDTSpecial Weather StatementGSPUnion23 min
Sep 18, 5:30 PM EDTSpecial Weather StatementGSPAlexander30 min
Sep 18, 5:58 PM EDTSpecial Weather StatementGSPHaywood32 min
Sep 18, 6:00 PM EDTSpecial Weather StatementGSPAlexander30 min
Sep 18, 6:12 PM EDTSpecial Weather StatementGSPMadison48 min
Sep 18, 6:24 PM EDTSpecial Weather StatementGSPCleveland36 min
Sep 18, 6:28 PM EDTSpecial Weather StatementGSPTransylvania47 min
Sep 18, 7:15 PM EDTSpecial Weather StatementGSPPolk30 min
Sep 18, 7:40 PM EDTSpecial Weather StatementGSPPolk35 min
Sep 18, 5:28 PM EDTSpecial Weather StatementGSPYork32 min
Sep 18, 5:35 PM EDTSevere Thunderstorm WarningGSPYork26 min
Sep 18, 6:57 PM EDTSpecial Weather StatementGSPChester33 min

Nearby

Severe Thunderstorm Warnings in North 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.