Alert archive / North Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 293, NWS Greenville-Spartanburg, SC

August 28, 2026Mecklenburg County, North Carolina; York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 28, 2026, 5:02 PM EDT for Mecklenburg County, North Carolina; York County, South Carolina. It was in force for 58 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 28, 2026, 5:02 PM EDT (21:02 UTC)
Expired: Aug 28, 2026, 6:00 PM EDT
In force: 58 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Mecklenburg County, NC, York County, SC

The radar

The Greer radar (KGSP), 113 km from the middle of the area, began a volume at 21:02 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 263 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: 788 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 672 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 21 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.

Issued	Product	Office	Counties	Lasted
Aug 27, 10:18 PM EDT	Areal Flood Advisory	GSP	Mecklenburg, Union	3 hr
Aug 28, 12:49 PM EDT	Special Weather Statement	GSP	Caldwell	56 min
Aug 28, 1:46 PM EDT	Special Weather Statement	GSP	Alexander, Caldwell	44 min
Aug 28, 2:02 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell	43 min
Aug 28, 2:10 PM EDT	Special Weather Statement	GSP	McDowell	35 min
Aug 28, 2:11 PM EDT	Special Weather Statement	GSP	Burke	34 min
Aug 28, 2:41 PM EDT	Special Weather Statement	GSP	Alexander	34 min
Aug 28, 2:45 PM EDT	Special Weather Statement	GSP	Catawba	45 min
Aug 28, 3:01 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	46 min
Aug 28, 3:01 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell, Lincoln	44 min
Aug 28, 3:27 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	63 min
Aug 28, 3:37 PM EDT	Special Weather Statement	GSP	Polk	38 min
Aug 28, 3:38 PM EDT	Special Weather Statement	GSP	Cleveland	37 min
Aug 28, 3:42 PM EDT	Special Weather Statement	GSP	Lincoln	48 min
Aug 28, 3:55 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln, Rutherford	45 min
Aug 28, 4:16 PM EDT	Special Weather Statement	GSP	Rowan	44 min
Aug 28, 4:22 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Iredell, Mecklenburg, Rowan	53 min
Aug 28, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Henderson	39 min
Aug 28, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	64 min
Aug 28, 4:44 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg	46 min
Aug 28, 4:48 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	57 min
Aug 28, 5:58 PM EDT	Severe Thunderstorm Warning	GSP	Union	62 min
Aug 28, 6:00 PM EDT	Special Weather Statement	GSP	Union	45 min
Aug 28, 6:43 PM EDT	Special Weather Statement	GSP	Union	47 min
Aug 28, 1:56 PM EDT	Special Weather Statement	GSP	Pickens	49 min
Aug 28, 3:32 PM EDT	Special Weather Statement	GSP	Greenville	43 min
Aug 28, 3:49 PM EDT	Special Weather Statement	GSP	Pickens	26 min
Aug 28, 4:17 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Laurens	58 min
Aug 28, 5:07 PM EDT	Special Weather Statement	GSP	Cherokee	38 min
Aug 28, 5:14 PM EDT	Special Weather Statement	GSP	Spartanburg	46 min
Aug 28, 5:23 PM EDT	Special Weather Statement	GSP	Abbeville, Laurens	52 min
Aug 28, 5:41 PM EDT	Special Weather Statement	GSP	Union, York	64 min
Aug 28, 6:05 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	40 min
Aug 28, 6:41 PM EDT	Special Weather Statement	GSP	Chester	64 min
Aug 28, 7:08 PM EDT	Special Weather Statement	GSP	Spartanburg	52 min
Aug 28, 7:15 PM EDT	Special Weather Statement	GSP	Union	30 min
Aug 28, 2:05 PM EDT	Special Weather Statement	GSP	Habersham	40 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2026 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.