Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 19, NWS Greenville-Spartanburg, SC

April 19, 2013Abbeville County, Anderson County, South Carolina; Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 19, 2013, 1:52 PM EDT for Abbeville County, Anderson County, South Carolina; Elbert County, Hart County, Georgia. 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
Apr 19, 2013, 1:52 PM EDT (17:52 UTC)
Expired
Apr 19, 2013, 2:45 PM EDT
In force
53 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Elbert County, GA, Hart County, GA, Abbeville County, SC, Anderson County, SC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 17:54 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, 5.9 hours before the alert went out and 194 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 2013-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 292 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 2013-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
292 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.7

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 3:40 AM EDTFreeze WarningGSPAvery, Buncombe, Graham, Haywood, Jackson, Macon and 4 more29 hr
Apr 19, 2:04 PM EDTSpecial Weather StatementGSPAlexander, Burke41 min
Apr 19, 3:03 PM EDTSpecial Weather StatementGSPGaston42 min
Apr 19, 3:10 PM EDTSevere Thunderstorm WarningGSPCatawba, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 1 more65 min
Apr 19, 4:04 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg26 min
Apr 19, 4:08 PM EDTSevere Thunderstorm WarningGSPCabarrus, Union52 min
Apr 19, 4:28 PM EDTSevere Thunderstorm WarningGSPCabarrus, Gaston, Iredell, Lincoln, Mecklenburg, Rowan47 min
Apr 19, 4:30 PM EDTSevere Thunderstorm WarningGSPUnion30 min
Apr 19, 12:15 PM EDTSpecial Weather StatementGSPOconee45 min
Apr 19, 12:55 PM EDTSpecial Weather StatementGSPAnderson, Oconee, Pickens50 min
Apr 19, 1:40 PM EDTSpecial Weather StatementGSPAnderson, Greenville50 min
Apr 19, 2:31 PM EDTSpecial Weather StatementGSPAbbeville, Anderson, Greenville, Greenwood44 min
Apr 19, 3:06 PM EDTSpecial Weather StatementGSPCherokee, Greenwood, Laurens, Spartanburg, Union54 min
Apr 19, 4:19 PM EDTSpecial Weather StatementGSPChester, York41 min
Apr 19, 11:57 AM EDTSpecial Weather StatementGSPFranklin, Habersham, Stephens48 min
Apr 19, 1:45 PM EDTSpecial Weather StatementGSPElbert45 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013Severe Thunderstorm Warnings in Georgia, 2013Every severe thunderstorm warning in 2013

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.