Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 202, NWS Greenville-Spartanburg, SC

July 18, 2020Cabarrus County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 18, 2020, 5:12 PM EDT for Cabarrus County, Mecklenburg County, North Carolina. It was in force for 48 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 18, 2020, 5:12 PM EDT (21:12 UTC)
Expired
Jul 18, 2020, 6:00 PM EDT
In force
48 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 21:16 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.2 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2020-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 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, Greensboro/Hi Pt, NC at 12:00Z on 2020-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
753 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
32 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 17, 8:03 PM EDTSpecial Weather StatementGSPUnion27 min
Jul 17, 8:47 PM EDTSpecial Weather StatementGSPUnion28 min
Jul 17, 9:14 PM EDTSpecial Weather StatementGSPUnion31 min
Jul 17, 11:36 PM EDTSpecial Weather StatementGSPGaston24 min
Jul 18, 12:45 AM EDTSpecial Weather StatementGSPGaston45 min
Jul 18, 1:25 AM EDTSpecial Weather StatementGSPCleveland35 min
Jul 18, 1:09 PM EDTSpecial Weather StatementGSPTransylvania36 min
Jul 18, 1:22 PM EDTSpecial Weather StatementGSPMcDowell23 min
Jul 18, 1:40 PM EDTSpecial Weather StatementGSPHenderson65 min
Jul 18, 1:55 PM EDTSpecial Weather StatementGSPMcDowell35 min
Jul 18, 2:05 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell40 min
Jul 18, 2:30 PM EDTSpecial Weather StatementGSPHaywood30 min
Jul 18, 2:36 PM EDTSpecial Weather StatementGSPRutherford24 min
Jul 18, 2:45 PM EDTSpecial Weather StatementGSPCaldwell30 min
Jul 18, 2:47 PM EDTSpecial Weather StatementGSPBurke28 min
Jul 18, 2:57 PM EDTSpecial Weather StatementGSPSwain33 min
Jul 18, 3:00 PM EDTSpecial Weather StatementGSPBuncombe30 min
Jul 18, 3:08 PM EDTSpecial Weather StatementGSPHenderson37 min
Jul 18, 3:15 PM EDTSpecial Weather StatementGSPCleveland30 min
Jul 18, 3:19 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell, Catawba41 min
Jul 18, 3:34 PM EDTSpecial Weather StatementGSPBuncombe26 min
Jul 18, 3:39 PM EDTSpecial Weather StatementGSPRutherford36 min
Jul 18, 3:42 PM EDTSpecial Weather StatementGSPCatawba33 min
Jul 18, 3:51 PM EDTSpecial Weather StatementGSPUnion24 min
Jul 18, 3:54 PM EDTSpecial Weather StatementGSPAlexander36 min
Jul 18, 3:58 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln47 min
Jul 18, 4:03 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell42 min
Jul 18, 4:05 PM EDTSpecial Weather StatementGSPPolk25 min
Jul 18, 4:12 PM EDTSevere Thunderstorm WarningGSPPolk22 min
Jul 18, 4:15 PM EDTSpecial Weather StatementGSPUnion30 min
Jul 18, 4:30 PM EDTSevere Thunderstorm WarningGSPGaston, Lincoln27 min
Jul 18, 4:33 PM EDTSevere Thunderstorm WarningGSPUnion31 min
Jul 18, 4:48 PM EDTSpecial Weather StatementGSPRowan27 min
Jul 18, 5:02 PM EDTSpecial Weather StatementGSPGaston28 min
Jul 18, 5:27 PM EDTSevere Thunderstorm WarningGSPGaston, Mecklenburg48 min
Jul 18, 5:30 PM EDTSpecial Weather StatementGSPDavie, Rowan45 min
Jul 18, 5:38 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan52 min
Jul 18, 5:59 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union46 min
Jul 18, 6:33 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union24 min
Jul 17, 11:59 PM EDTSpecial Weather StatementGSPCherokee31 min
Jul 18, 12:59 AM EDTSpecial Weather StatementGSPCherokee46 min
Jul 18, 2:00 AM EDTAreal Flood AdvisoryGSPCherokee2 hr
Jul 18, 11:59 AM EDTSpecial Weather StatementGSPOconee31 min
Jul 18, 12:35 PM EDTSpecial Weather StatementGSPOconee25 min
Jul 18, 2:00 PM EDTSpecial Weather StatementGSPGreenville30 min
Jul 18, 2:08 PM EDTSpecial Weather StatementGSPPickens37 min
Jul 18, 3:25 PM EDTSpecial Weather StatementGSPUnion35 min
Jul 18, 3:26 PM EDTSpecial Weather StatementGSPAbbeville34 min
Jul 18, 4:14 PM EDTSpecial Weather StatementGSPAnderson31 min
Jul 18, 4:18 PM EDTSpecial Weather StatementGSPUnion27 min
Jul 18, 4:39 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union51 min
Jul 18, 4:45 PM EDTSevere Thunderstorm WarningGSPAnderson45 min
Jul 18, 4:51 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg, Union39 min
Jul 18, 4:55 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Union, York50 min
Jul 18, 5:10 PM EDTSevere Thunderstorm WarningGSPLaurens50 min
Jul 18, 5:24 PM EDTSpecial Weather StatementGSPAbbeville36 min
Jul 18, 5:53 PM EDTSpecial Weather StatementGSPLaurens37 min
Jul 18, 2:27 PM EDTSpecial Weather StatementGSPHabersham33 min
Jul 18, 4:24 PM EDTSpecial Weather StatementGSPHart36 min
Jul 18, 6:56 PM EDTSpecial Weather StatementGSPRabun34 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020Every 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.