Alert archive / South Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 254, NWS Greenville-Spartanburg, SC

August 17, 2026Henderson County, Polk County, Transylvania County, North Carolina; 4 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 17, 2026, 8:21 PM EDT for Henderson County, Polk County, Transylvania County, North Carolina; 4 counties in South Carolina. It was in force for 39 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 17, 2026, 8:21 PM EDT (00:21 UTC)
Expired
Aug 17, 2026, 9:00 PM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Henderson County, NC, Polk County, NC, Transylvania County, NC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 37 km from the middle of the area, began a volume at 00:25 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 17, 2:35 PM EDTSevere Thunderstorm WatchSPC7 hr

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 8:11 PM EDTSevere Thunderstorm WarningGSPAlexander, Burke, Caldwell, Catawba, Cleveland, Gaston and 3 more46 min
Aug 17, 8:52 PM EDTSpecial Weather StatementGSPAnderson, Greenville, Spartanburg38 min
Aug 17, 9:31 PM EDTSpecial Weather StatementGSPSpartanburg29 min
Aug 17, 8:32 PM EDTSpecial Weather StatementGSPFranklin, Hart28 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2026Severe 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; radar from the NEXRAD Level II archive.