Alert archive / South Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 121, NWS Greenville-Spartanburg, SC

July 11, 2019Cherokee County, Spartanburg County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 11, 2019, 6:45 PM EDT for Cherokee County, Spartanburg County, Union County, South Carolina. It was in force for 30 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 11, 2019, 6:45 PM EDT (22:45 UTC)
Expired
Jul 11, 2019, 7:15 PM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, SC, Spartanburg County, SC, Union County, SC

The radar

The Greer radar (KGSP), 43 km from the middle of the area, began a volume at 22:47 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 305 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, Peachtre/Fal Fld, GA at 12:00Z on 2019-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1260 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, Peachtre/Fal Fld, GA at 12:00Z on 2019-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.1939Sfc1 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
1260 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-25 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 10, 8:52 PM EDTSpecial Weather StatementGSPMadison53 min
Jul 11, 12:33 PM EDTSpecial Weather StatementGSPMacon27 min
Jul 11, 1:01 PM EDTSpecial Weather StatementGSPMcDowell14 min
Jul 11, 1:41 PM EDTAreal Flood AdvisoryGSPAvery109 min
Jul 11, 2:02 PM EDTSpecial Weather StatementGSPBuncombe13 min
Jul 11, 2:15 PM EDTAreal Flood AdvisoryGSPCaldwell2 hr
Jul 11, 2:20 PM EDTSpecial Weather StatementGSPBuncombe25 min
Jul 11, 3:03 PM EDTSpecial Weather StatementGSPBurke27 min
Jul 11, 3:04 PM EDTSpecial Weather StatementGSPHenderson26 min
Jul 11, 3:19 PM EDTSevere Thunderstorm WarningGSPBurke26 min
Jul 11, 3:20 PM EDTSpecial Weather StatementGSPRutherford25 min
Jul 11, 3:30 PM EDTSpecial Weather StatementGSPAlexander30 min
Jul 11, 3:41 PM EDTSpecial Weather StatementGSPMcDowell34 min
Jul 11, 3:54 PM EDTAreal Flood AdvisoryGSPAlexander, Caldwell3 hr
Jul 11, 4:00 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell, Rutherford34 min
Jul 11, 4:06 PM EDTSevere Thunderstorm WarningGSPAlexander, Burke, Caldwell, Catawba39 min
Jul 11, 4:17 PM EDTSpecial Weather StatementGSPCleveland28 min
Jul 11, 4:31 PM EDTFlash Flood WarningGSPCaldwell3 hr
Jul 11, 4:40 PM EDTSpecial Weather StatementGSPCatawba35 min
Jul 11, 5:06 PM EDTAreal Flood AdvisoryGSPCatawba114 min
Jul 11, 5:10 PM EDTSpecial Weather StatementGSPCleveland35 min
Jul 11, 5:32 PM EDTSpecial Weather StatementGSPRowan28 min
Jul 11, 7:24 PM EDTSpecial Weather StatementGSPUnion36 min
Jul 11, 12:53 AM EDTSpecial Weather StatementGSPOconee52 min
Jul 11, 5:02 PM EDTSpecial Weather StatementGSPLaurens28 min
Jul 11, 5:42 PM EDTSpecial Weather StatementGSPCherokee33 min
Jul 11, 5:49 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg26 min
Jul 11, 6:12 PM EDTSpecial Weather StatementGSPSpartanburg33 min
Jul 11, 6:20 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg25 min
Jul 11, 6:23 PM EDTSpecial Weather StatementGSPYork37 min
Jul 11, 7:16 PM EDTSpecial Weather StatementGSPYork29 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2019Every severe thunderstorm warning in 2019

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.