Alert archive / North Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 174, NWS Greenville-Spartanburg, SC

July 13, 2023Burke County, Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 13, 2023, 6:45 PM EDT for Burke County, Catawba 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
Jul 13, 2023, 6:45 PM EDT (22:45 UTC)
Expired
Jul 13, 2023, 7:17 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 Burke County, NC, Catawba County, NC

The radar

The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 22:45 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

Roanoke, VA (KRNK), launched 12:00Z, 10.8 hours before the alert went out and 241 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2023-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2023-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
28 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
1049 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 4:01 PM EDTAreal Flood AdvisoryGSPHenderson2 hr
Jul 13, 4:25 PM EDTSpecial Weather StatementGSPMitchell35 min
Jul 13, 5:46 PM EDTSpecial Weather StatementGSPYancey29 min
Jul 13, 6:01 PM EDTSpecial Weather StatementGSPCleveland29 min
Jul 13, 6:10 PM EDTSpecial Weather StatementGSPCleveland35 min
Jul 13, 6:23 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, Rutherford52 min
Jul 13, 7:17 PM EDTSpecial Weather StatementGSPCatawba28 min
Jul 13, 7:45 PM EDTSpecial Weather StatementGSPRowan30 min
Jul 13, 2:01 PM EDTSpecial Weather StatementGSPLaurens29 min
Jul 13, 2:29 PM EDTSpecial Weather StatementGSPGreenwood31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2023Every 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.