Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 103, NWS Greenville-Spartanburg, SC

July 4, 2019Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 4, 2019, 6:12 PM EDT for Transylvania County, North Carolina. It was in force for 23 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 4, 2019, 6:12 PM EDT (22:12 UTC)
Expired
Jul 4, 2019, 6:35 PM EDT
In force
23 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Transylvania County, NC

The radar

The Greer radar (KGSP), 63 km from the middle of the area, began a volume at 22:12 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, 10.2 hours before the alert went out and 257 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 2019-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 733 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 2019-07-04The 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
733 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1183 m above ground
0-6 km bulk shear
14 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 3, 8:45 PM EDTSpecial Weather StatementGSPMadison45 min
Jul 3, 9:08 PM EDTSpecial Weather StatementGSPMacon37 min
Jul 3, 10:09 PM EDTSpecial Weather StatementGSPBurke36 min
Jul 3, 11:55 PM EDTSpecial Weather StatementGSPBuncombe50 min
Jul 4, 12:01 AM EDTSpecial Weather StatementGSPBurke, McDowell59 min
Jul 4, 2:16 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan44 min
Jul 4, 2:41 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg, Union64 min
Jul 4, 3:03 PM EDTSpecial Weather StatementGSPCabarrus, Rowan42 min
Jul 4, 3:30 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg45 min
Jul 4, 3:46 PM EDTAreal Flood AdvisoryGSPCabarrus, Rowan3 hr
Jul 4, 4:04 PM EDTSpecial Weather StatementGSPCaldwell41 min
Jul 4, 4:21 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg3 hr
Jul 4, 4:47 PM EDTSpecial Weather StatementGSPAlexander, Burke, Caldwell43 min
Jul 4, 4:49 PM EDTSpecial Weather StatementGSPLincoln26 min
Jul 4, 5:32 PM EDTSevere Thunderstorm WarningGSPAlexander43 min
Jul 4, 5:43 PM EDTSevere Thunderstorm WarningGSPAlexander24 min
Jul 4, 5:48 PM EDTSpecial Weather StatementGSPAlexander, Catawba42 min
Jul 4, 6:06 PM EDTAreal Flood AdvisoryGSPAlexander3 hr
Jul 4, 7:08 PM EDTSpecial Weather StatementGSPTransylvania37 min
Jul 4, 7:13 PM EDTSpecial Weather StatementGSPPolk32 min
Jul 4, 7:22 PM EDTSpecial Weather StatementGSPRutherford23 min
Jul 4, 7:31 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford44 min
Jul 4, 7:43 PM EDTSevere Thunderstorm WarningGSPHenderson, Polk47 min
Jul 4, 7:54 PM EDTSpecial Weather StatementGSPHaywood51 min
Jul 4, 7:54 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford51 min
Jul 4, 7:58 PM EDTSpecial Weather StatementGSPMcDowell47 min
Jul 3, 8:20 PM EDTSpecial Weather StatementGSPOconee25 min
Jul 4, 1:03 PM EDTSpecial Weather StatementGSPChester27 min
Jul 4, 1:23 PM EDTSpecial Weather StatementGSPChester52 min
Jul 4, 1:38 PM EDTSevere Thunderstorm WarningGSPChester52 min
Jul 4, 1:56 PM EDTSpecial Weather StatementGSPChester49 min
Jul 4, 2:04 PM EDTSevere Thunderstorm WarningGSPYork41 min
Jul 4, 2:12 PM EDTSevere Thunderstorm WarningGSPChester, York48 min
Jul 4, 4:18 PM EDTSpecial Weather StatementGSPGreenville42 min
Jul 4, 5:59 PM EDTSpecial Weather StatementGSPOconee46 min
Jul 4, 6:19 PM EDTSpecial Weather StatementGSPLaurens41 min

Nearby

Severe Thunderstorm Warnings in North 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.