Alert archive / North Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 320, NWS Greenville-Spartanburg, SC

August 15, 2023Cabarrus County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 15, 2023, 4:28 PM EDT for Cabarrus County, Mecklenburg County, North Carolina. It was in force for 32 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 15, 2023, 4:28 PM EDT (20:28 UTC)
Expired: Aug 15, 2023, 5:00 PM EDT
In force: 32 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cabarrus County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 147 km from the middle of the area, began a volume at 20:27 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 15, 1:48 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 111 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: 832 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 1002 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: -9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 15, 2:09 PM EDT, 2 hours 19 minutes earlier.

Area forecast discussion, Aug 15, 2:09 PM EDT, 2 hours 19 minutes before

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Hazardous weather outlook, Aug 15, 2:07 PM EDT, 2 hours 21 minutes before

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In the hours before

Local storm report, Aug 15, 3:37 PM EDT, 51 minutes before

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Special weather statement, Aug 15, 3:43 PM EDT, 45 minutes before

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Special weather statement, Aug 15, 3:45 PM EDT, 43 minutes before

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Local storm report, Aug 15, 4:17 PM EDT, 11 minutes before

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Local storm report, Aug 15, 4:24 PM EDT, 4 minutes before

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Local storm report, Aug 15, 4:27 PM EDT, 1 minute 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 14, 8:16 PM EDT	Severe Thunderstorm Warning	GSP	Henderson	44 min
Aug 14, 8:49 PM EDT	Special Weather Statement	GSP	Polk	26 min
Aug 14, 11:01 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	44 min
Aug 14, 11:10 PM EDT	Special Weather Statement	GSP	Haywood	35 min
Aug 14, 11:45 PM EDT	Special Weather Statement	GSP	Graham	45 min
Aug 15, 12:03 AM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	42 min
Aug 15, 12:19 AM EDT	Special Weather Statement	GSP	Avery, Madison, Mitchell, Yancey	26 min
Aug 15, 12:30 AM EDT	Severe Thunderstorm Warning	GSP	Avery, Mitchell, Yancey	45 min
Aug 15, 12:45 AM EDT	Special Weather Statement	GSP	Macon	45 min
Aug 15, 12:55 AM EDT	Tornado Warning	GSP	Avery	14 min
Aug 15, 1:12 AM EDT	Special Weather Statement	GSP	Macon	33 min
Aug 15, 1:15 AM EDT	Special Weather Statement	GSP	Avery, Mitchell, Yancey	30 min
Aug 15, 1:29 AM EDT	Areal Flood Advisory	GSP	Graham	7 hr
Aug 15, 1:37 AM EDT	Special Weather Statement	GSP	Caldwell	38 min
Aug 15, 2:03 AM EDT	Special Weather Statement	GSP	Transylvania	27 min
Aug 15, 2:13 AM EDT	Special Weather Statement	GSP	Alexander, Caldwell	32 min
Aug 15, 2:33 AM EDT	Flash Flood Warning	GSP	Graham	3 hr
Aug 15, 3:25 AM EDT	Special Weather Statement	GSP	Graham	35 min
Aug 15, 3:36 AM EDT	Areal Flood Advisory	GSP	Graham, Swain	6 hr
Aug 15, 3:57 AM EDT	Special Weather Statement	GSP	Jackson, Macon	33 min
Aug 15, 1:38 PM EDT	Special Weather Statement	GSP	Davie, Iredell	37 min
Aug 15, 2:10 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	50 min
Aug 15, 3:02 PM EDT	Special Weather Statement	GSP	Gaston	28 min
Aug 15, 3:06 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	39 min
Aug 15, 3:23 PM EDT	Special Weather Statement	GSP	Rowan	37 min
Aug 15, 3:28 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	18 min
Aug 15, 3:39 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	36 min
Aug 15, 3:45 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg	30 min
Aug 15, 3:58 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	40 min
Aug 15, 4:09 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	36 min
Aug 15, 4:37 PM EDT	Special Weather Statement	GSP	Mecklenburg	23 min
Aug 15, 4:44 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	31 min
Aug 15, 4:50 PM EDT	Special Weather Statement	GSP	Union	25 min
Aug 15, 5:03 PM EDT	Severe Thunderstorm Warning	GSP	Union	27 min
Aug 14, 8:02 PM EDT	Special Weather Statement	GSP	Pickens	28 min
Aug 14, 9:19 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	41 min
Aug 15, 1:52 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	31 min
Aug 15, 1:54 PM EDT	Special Weather Statement	GSP	Pickens	36 min
Aug 15, 2:19 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	41 min
Aug 15, 2:35 PM EDT	Special Weather Statement	GSP	Greenville	25 min
Aug 15, 2:44 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	46 min
Aug 15, 2:59 PM EDT	Special Weather Statement	GSP	Spartanburg	31 min
Aug 15, 3:07 PM EDT	Special Weather Statement	GSP	Laurens	38 min
Aug 15, 3:19 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union, York	41 min
Aug 15, 3:26 PM EDT	Special Weather Statement	GSP	Greenwood	34 min
Aug 15, 3:43 PM EDT	Special Weather Statement	GSP	Chester, Union	47 min
Aug 15, 3:59 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	20 min
Aug 15, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	Chester	46 min
Aug 15, 1:10 PM EDT	Special Weather Statement	GSP	Franklin	35 min
Aug 15, 1:43 PM EDT	Severe Thunderstorm Warning	GSP	Elbert	47 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.