Alert archive / South Carolina / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 86, NWS Greenville-Spartanburg, SC

May 9, 2025Abbeville County, Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 9, 2025, 4:15 AM EDT for Abbeville County, Greenwood County, Laurens County, South Carolina. It was in force for 23 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: May 9, 2025, 4:15 AM EDT (08:15 UTC)
Expired: May 9, 2025, 4:38 AM EDT
In force: 23 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Abbeville County, SC, Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 66 km from the middle of the area, began a volume at 08:18 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 00:00Z, 8.3 hours before the alert went out and 236 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: 1326 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 7:34 PM EDT, 8 hours 41 minutes earlier.

Area forecast discussion, May 8, 7:34 PM EDT, 8 hours 41 minutes before

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Hazardous weather outlook, May 8, 4:28 PM EDT, 11 hours 47 minutes before

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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 8:08 PM EDT	Special Weather Statement	GSP	Haywood	37 min
May 8, 8:16 PM EDT	Special Weather Statement	GSP	Gaston	29 min
May 8, 8:18 PM EDT	Special Weather Statement	GSP	Mecklenburg	27 min
May 8, 8:29 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	46 min
May 8, 8:31 PM EDT	Special Weather Statement	GSP	McDowell	29 min
May 8, 8:33 PM EDT	Special Weather Statement	GSP	Rutherford	27 min
May 8, 8:54 PM EDT	Special Weather Statement	GSP	Mecklenburg	36 min
May 8, 8:56 PM EDT	Special Weather Statement	GSP	Graham	49 min
May 8, 9:16 PM EDT	Special Weather Statement	GSP	Henderson	29 min
May 8, 9:40 PM EDT	Special Weather Statement	GSP	Union	50 min
May 8, 9:47 PM EDT	Special Weather Statement	GSP	Rutherford	43 min
May 8, 9:53 PM EDT	Special Weather Statement	GSP	Buncombe	37 min
May 8, 10:06 PM EDT	Special Weather Statement	GSP	Jackson	24 min
May 8, 10:52 PM EDT	Special Weather Statement	GSP	Rutherford	38 min
May 8, 11:08 PM EDT	Special Weather Statement	GSP	Henderson	37 min
May 8, 9:07 PM EDT	Severe Thunderstorm Warning	GSP	York	42 min
May 8, 10:42 PM EDT	Special Weather Statement	GSP	Chester	33 min
May 8, 11:25 PM EDT	Special Weather Statement	GSP	Union	35 min
May 8, 11:40 PM EDT	Special Weather Statement	GSP	Greenville	35 min
May 8, 11:51 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	54 min
May 8, 11:52 PM EDT	Special Weather Statement	GSP	Greenwood	38 min
May 9, 12:28 AM EDT	Special Weather Statement	GSP	Greenville	32 min
May 9, 3:21 AM EDT	Special Weather Statement	GSP	Greenwood	24 min
May 9, 3:47 AM EDT	Special Weather Statement	GSP	Abbeville	28 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.