Alert archive / South Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 96, NWS Greenville-Spartanburg, SC

May 5, 20206 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 5, 2020, 7:50 PM EDT for 6 counties in South Carolina. It was in force for 40 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 5, 2020, 7:50 PM EDT (23:50 UTC)
Expired: May 5, 2020, 8:30 PM EDT
In force: 40 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cherokee County, SC, Chester County, SC, Laurens County, SC, Spartanburg County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 58 km from the middle of the area, began a volume at 23:51 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
May 5, 3:53 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.8 hours before the alert went out and 209 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1899 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 444 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 May 5, 7:49 PM EDT, 1 minute earlier.

Area forecast discussion, May 5, 7:49 PM EDT, 1 minute before

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Hazardous weather outlook, May 5, 7:31 PM EDT, 19 minutes before

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In the hours before

Special weather statement, May 5, 7:15 PM EDT, 35 minutes before

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Local storm report, May 5, 7:23 PM EDT, 27 minutes before

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Special weather statement, May 5, 7:28 PM EDT, 22 minutes before

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Local storm report, May 5, 7:37 PM EDT, 13 minutes before

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Special weather statement, May 5, 7:38 PM EDT, 12 minutes before

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Special weather statement, May 5, 7:41 PM EDT, 9 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
May 4, 11:14 PM EDT	Special Weather Statement	GSP	Union	31 min
May 4, 11:43 PM EDT	Special Weather Statement	GSP	Union	32 min
May 5, 3:22 AM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	38 min
May 5, 3:57 AM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg, Union	48 min
May 5, 4:33 AM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg, Union	27 min
May 5, 3:17 PM EDT	Special Weather Statement	GSP	Graham	28 min
May 5, 3:27 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	28 min
May 5, 3:52 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Transylvania	38 min
May 5, 3:53 PM EDT	Special Weather Statement	GSP	Transylvania	37 min
May 5, 4:01 PM EDT	Special Weather Statement	GSP	Jackson, Transylvania	29 min
May 5, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk, Transylvania	51 min
May 5, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	15 min
May 5, 4:49 PM EDT	Special Weather Statement	GSP	Buncombe	26 min
May 5, 4:52 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	53 min
May 4, 8:06 PM EDT	Tornado Warning	GSP	Spartanburg	24 min
May 4, 8:24 PM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg, Union	51 min
May 4, 8:56 PM EDT	Severe Thunderstorm Warning	GSP	York	25 min
May 4, 9:14 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	16 min
May 4, 9:19 PM EDT	Special Weather Statement	GSP	Spartanburg	26 min
May 4, 9:32 PM EDT	Special Weather Statement	GSP	Chester	28 min
May 4, 9:35 PM EDT	Special Weather Statement	GSP	Union	25 min
May 4, 9:57 PM EDT	Special Weather Statement	GSP	Union	33 min
May 4, 10:56 PM EDT	Special Weather Statement	GSP	Chester	34 min
May 4, 11:28 PM EDT	Special Weather Statement	GSP	Chester	32 min
May 5, 1:24 AM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	51 min
May 5, 2:00 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenville, Laurens, Oconee, Pickens	45 min
May 5, 2:40 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Cherokee, Greenville, Greenwood, Laurens and 3 more	50 min
May 5, 3:18 AM EDT	Special Weather Statement	GSP	Anderson	27 min
May 5, 4:03 AM EDT	Special Weather Statement	GSP	Laurens	27 min
May 5, 4:05 PM EDT	Special Weather Statement	GSP	Pickens	25 min
May 5, 4:38 PM EDT	Special Weather Statement	GSP	Greenville, Pickens	37 min
May 5, 5:04 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens, Spartanburg	41 min
May 5, 5:39 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Greenville, Spartanburg, Union	51 min
May 5, 5:44 PM EDT	Special Weather Statement	GSP	Greenville	31 min
May 5, 6:09 PM EDT	Special Weather Statement	GSP	Greenville, Pickens	36 min
May 5, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union, York	49 min
May 5, 6:32 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	43 min
May 5, 6:35 PM EDT	Tornado Warning	GSP	Chester	25 min
May 5, 6:38 PM EDT	Tornado Warning	GSP	Chester	37 min
May 5, 6:43 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	47 min
May 5, 6:55 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union	50 min
May 5, 7:06 PM EDT	Special Weather Statement	GSP	Greenville	24 min
May 5, 7:15 PM EDT	Special Weather Statement	GSP	Union	30 min
May 5, 7:24 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	51 min
May 5, 7:28 PM EDT	Special Weather Statement	GSP	Anderson	32 min
May 5, 7:38 PM EDT	Special Weather Statement	GSP	York	37 min
May 5, 7:41 PM EDT	Special Weather Statement	GSP	Union	34 min
May 5, 7:42 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	37 min
May 5, 1:03 AM EDT	Special Weather Statement	GSP	Habersham, Rabun	27 min
May 5, 3:31 PM EDT	Special Weather Statement	GSP	Rabun	29 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2020 Every severe thunderstorm warning in 2020

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.