Alert archive / South Carolina / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 207, NWS Greenville-Spartanburg, SC

July 10, 2025Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2025, 2:08 PM EDT for Oconee County, South Carolina. It was in force for 24 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: Jul 10, 2025, 2:08 PM EDT (18:08 UTC)
Expired: Jul 10, 2025, 2:32 PM EDT
In force: 24 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Oconee County, SC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 18:10 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, 6.1 hours before the alert went out and 203 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: 559 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 939 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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
Jul 9, 8:17 PM EDT	Areal Flood Advisory	GSP	Cleveland, Gaston, Lincoln	5 hr
Jul 9, 8:17 PM EDT	Special Weather Statement	GSP	Cleveland	28 min
Jul 9, 8:50 PM EDT	Flash Flood Warning	GSP	Lincoln	3 hr
Jul 9, 9:08 PM EDT	Areal Flood Advisory	GSP	Lincoln	3 hr
Jul 9, 9:22 PM EDT	Areal Flood Advisory	GSP	Caldwell	5 hr
Jul 9, 10:14 PM EDT	Areal Flood Advisory	GSP	Alexander, Caldwell, Catawba, Iredell	6 hr
Jul 9, 10:52 PM EDT	Areal Flood Advisory	GSP	Burke	6 hr
Jul 10, 3:30 PM EDT	Special Weather Statement	GSP	McDowell	30 min
Jul 10, 4:13 PM EDT	Special Weather Statement	GSP	Iredell	32 min
Jul 10, 7:19 PM EDT	Special Weather Statement	GSP	Caldwell	26 min
Jul 10, 7:49 PM EDT	Special Weather Statement	GSP	Catawba	26 min
Jul 9, 8:09 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Jul 9, 8:38 PM EDT	Special Weather Statement	GSP	Anderson	37 min
Jul 10, 12:34 AM EDT	Special Weather Statement	GSP	Union	26 min
Jul 10, 1:38 PM EDT	Special Weather Statement	GSP	Oconee	37 min
Jul 10, 2:39 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Jul 10, 2:54 PM EDT	Special Weather Statement	GSP	Laurens	36 min
Jul 10, 3:33 PM EDT	Special Weather Statement	GSP	Abbeville	27 min
Jul 10, 3:47 PM EDT	Special Weather Statement	GSP	Greenville	28 min
Jul 10, 4:08 PM EDT	Special Weather Statement	GSP	Spartanburg	37 min
Jul 10, 4:41 PM EDT	Special Weather Statement	GSP	Spartanburg	34 min
Jul 10, 4:47 PM EDT	Special Weather Statement	GSP	Abbeville	28 min
Jul 10, 4:49 PM EDT	Special Weather Statement	GSP	Newberry	26 min
Jul 10, 4:51 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg	39 min
Jul 10, 5:02 PM EDT	Special Weather Statement	GSP	Union	28 min
Jul 10, 5:39 PM EDT	Special Weather Statement	GSP	Greenwood	36 min
Jul 10, 6:39 PM EDT	Special Weather Statement	GSP	Chester	51 min
Jul 10, 3:05 PM EDT	Special Weather Statement	GSP	Hart	25 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2025 Every severe thunderstorm warning in 2025

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.