Alert archive / South Carolina / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 237, NWS Greenville-Spartanburg, SC

August 17, 2024Abbeville County, Greenwood County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 17, 2024, 8:38 PM EDT for Abbeville County, Greenwood County, South Carolina. It was in force for 52 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, 2024, 8:38 PM EDT (00:38 UTC)
Expired: Aug 17, 2024, 9:30 PM EDT
In force: 52 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Abbeville County, SC, Greenwood County, SC

The radar

The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 00:38 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.

Issued	Product	Office	Lasted
Aug 17, 4:44 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.6 hours before the alert went out and 223 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: 2551 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1301 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

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 Aug 17, 7:28 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Aug 17, 7:28 PM EDT, 1 hour 10 minutes before

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Hazardous weather outlook, Aug 17, 7:38 PM EDT, 1 hour before

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In the hours before

Local storm report, Aug 17, 7:48 PM EDT, 50 minutes before

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Local storm report, Aug 17, 8:01 PM EDT, 37 minutes before

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Local storm report, Aug 17, 8:02 PM EDT, 36 minutes before

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Local storm report, Aug 17, 8:18 PM EDT, 20 minutes before

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Special weather statement, Aug 17, 8:22 PM EDT, 16 minutes before

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Local storm report, Aug 17, 8:38 PM EDT, 0 minutes before

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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
Aug 17, 9:46 PM EDT	Special Weather Statement	GSP	Cleveland	29 min
Aug 18, 3:36 PM EDT	Special Weather Statement	GSP	Polk	24 min
Aug 18, 4:39 PM EDT	Special Weather Statement	GSP	Alexander	66 min
Aug 18, 5:07 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell	53 min
Aug 18, 5:42 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell, Lincoln, Rowan	48 min
Aug 18, 6:01 PM EDT	Severe Thunderstorm Warning	GSP	Davie	23 min
Aug 18, 6:17 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	28 min
Aug 18, 6:30 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Catawba, Iredell, Mecklenburg, Rowan	44 min
Aug 18, 6:49 PM EDT	Special Weather Statement	GSP	Rowan	11 min
Aug 18, 7:23 PM EDT	Special Weather Statement	GSP	Lincoln	52 min
Aug 17, 8:07 PM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg, Union	53 min
Aug 17, 8:22 PM EDT	Special Weather Statement	GSP	Abbeville	23 min
Aug 17, 8:58 PM EDT	Special Weather Statement	GSP	Greenwood, Laurens	47 min
Aug 17, 9:13 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	32 min
Aug 17, 9:43 PM EDT	Areal Flood Advisory	GSP	Laurens	3 hr
Aug 18, 3:43 PM EDT	Special Weather Statement	GSP	Cherokee	47 min
Aug 18, 4:21 PM EDT	Special Weather Statement	GSP	Cherokee	39 min
Aug 18, 4:31 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	44 min
Aug 18, 4:56 PM EDT	Special Weather Statement	GSP	York	64 min
Aug 18, 6:07 PM EDT	Special Weather Statement	GSP	Chester	38 min
Aug 18, 7:46 PM EDT	Special Weather Statement	GSP	York	44 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2024 Every severe thunderstorm warning in 2024

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.