Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 264, NWS Greenville-Spartanburg, SC

July 11, 2010Abbeville County, Greenwood County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 11, 2010, 1:37 PM EDT for Abbeville County, Greenwood County, South Carolina. It was in force for 53 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, 2010, 1:37 PM EDT (17:37 UTC)
Expired
Jul 11, 2010, 2:30 PM EDT
In force
53 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Abbeville County, SC, Greenwood County, SC

The radar

The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 17:39 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

Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 256 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, Charleston AFB, SC at 12:00Z on 2010-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1679 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, Charleston AFB, SC at 12:00Z on 2010-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 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
1679 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 3:04 PM EDTSpecial Weather StatementGSPBuncombe26 min
Jul 11, 3:33 PM EDTSpecial Weather StatementGSPBuncombe27 min
Jul 11, 3:56 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson64 min
Jul 11, 4:31 PM EDTSevere Thunderstorm WarningGSPHenderson59 min
Jul 11, 7:10 PM EDTSpecial Weather StatementGSPCleveland35 min
Jul 10, 9:23 PM EDTSpecial Weather StatementGSPLaurens52 min
Jul 11, 2:25 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood65 min
Jul 11, 6:22 PM EDTSpecial Weather StatementGSPChester23 min
Jul 11, 6:46 PM EDTSpecial Weather StatementGSPChester29 min
Jul 11, 7:06 PM EDTSpecial Weather StatementGSPUnion24 min
Jul 11, 7:14 PM EDTSpecial Weather StatementGSPSpartanburg31 min
Jul 11, 7:18 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg57 min
Jul 11, 7:51 PM EDTSevere Thunderstorm WarningGSPGreenville54 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010Every severe thunderstorm warning in 2010

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.