Alert archive / South Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 301, NWS Greenville-Spartanburg, SC

August 12, 2023Abbeville County, South Carolina; Elbert County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 12, 2023, 6:45 PM EDT for Abbeville County, South Carolina; Elbert County, Georgia. It was in force for 45 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 12, 2023, 6:45 PM EDT (22:45 UTC)
Expired: Aug 12, 2023, 7:30 PM EDT
In force: 45 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Elbert County, GA, Abbeville County, SC

The radar

The Greer radar (KGSP), 89 km from the middle of the area, began a volume at 22:48 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 12, 2:38 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 193 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: 1531 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 883 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 12, 5:43 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Aug 12, 5:43 PM EDT, 1 hour 2 minutes before

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Hazardous weather outlook, Aug 12, 5:33 PM EDT, 1 hour 12 minutes before

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In the hours before

Special weather statement, Aug 12, 6:09 PM EDT, 36 minutes before

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Local storm report, Aug 12, 6:18 PM EDT, 27 minutes before

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Special weather statement, Aug 12, 6:20 PM EDT, 25 minutes before

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Local storm report, Aug 12, 6:26 PM EDT, 19 minutes before

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Local storm report, Aug 12, 6:41 PM EDT, 4 minutes before

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Local storm report, Aug 12, 6:45 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 12, 3:18 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon	42 min
Aug 12, 3:23 PM EDT	Special Weather Statement	GSP	Swain	52 min
Aug 12, 3:31 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Jackson, Swain	30 min
Aug 12, 3:47 PM EDT	Severe Thunderstorm Warning	GSP	Haywood	43 min
Aug 12, 3:56 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	64 min
Aug 12, 4:03 PM EDT	Special Weather Statement	GSP	Jackson	42 min
Aug 12, 4:11 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Madison	49 min
Aug 12, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Transylvania	44 min
Aug 12, 4:22 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Swain	68 min
Aug 12, 4:34 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Jackson, Macon, Swain	56 min
Aug 12, 4:41 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Madison	64 min
Aug 12, 4:45 PM EDT	Severe Thunderstorm Warning	GSP	Henderson	60 min
Aug 12, 4:49 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon	54 min
Aug 12, 5:05 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, McDowell, Mitchell, Yancey	55 min
Aug 12, 5:27 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, McDowell, Polk, Rutherford	77 min
Aug 12, 5:36 PM EDT	Severe Thunderstorm Warning	GSP	Polk	39 min
Aug 12, 5:56 PM EDT	Special Weather Statement	GSP	Avery	34 min
Aug 12, 6:09 PM EDT	Special Weather Statement	GSP	Burke	51 min
Aug 12, 6:20 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Rutherford	45 min
Aug 12, 6:26 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Rutherford	49 min
Aug 12, 7:20 PM EDT	Special Weather Statement	GSP	Catawba, Gaston, Lincoln	40 min
Aug 12, 4:29 PM EDT	Special Weather Statement	GSP	Oconee	31 min
Aug 12, 4:52 PM EDT	Special Weather Statement	GSP	Pickens	23 min
Aug 12, 5:01 PM EDT	Severe Thunderstorm Warning	GSP	Pickens	44 min
Aug 12, 5:05 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	40 min
Aug 12, 5:51 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville	39 min
Aug 12, 6:10 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenville, Greenwood, Laurens, Spartanburg	51 min
Aug 12, 7:07 PM EDT	Special Weather Statement	GSP	Greenwood	23 min
Aug 12, 7:28 PM EDT	Special Weather Statement	GSP	Greenwood	47 min
Aug 12, 4:00 PM EDT	Special Weather Statement	GSP	Habersham	45 min
Aug 12, 4:17 PM EDT	Special Weather Statement	GSP	Rabun	28 min
Aug 12, 4:44 PM EDT	Special Weather Statement	GSP	Stephens	31 min
Aug 12, 5:48 PM EDT	Severe Thunderstorm Warning	GSP	Elbert, Franklin, Hart	42 min
Aug 12, 6:20 PM EDT	Special Weather Statement	GSP	Elbert	25 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2023 Severe Thunderstorm Warnings in Georgia, 2023 Every severe thunderstorm warning in 2023

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.