Alert archive / Georgia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 135, NWS Greenville-Spartanburg, SC

July 17, 2019Elbert County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 17, 2019, 5:39 PM EDT for Elbert County, Georgia. It was in force for 36 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 17, 2019, 5:39 PM EDT (21:39 UTC)
Expired
Jul 17, 2019, 6:15 PM EDT
In force
36 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Elbert County, GA

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 21:41 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, 9.7 hours before the alert went out and 175 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 2019-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 470 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 2019-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
470 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
76 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, 12:46 PM EDTSpecial Weather StatementGSPHenderson, Transylvania44 min
Jul 17, 2:25 PM EDTSpecial Weather StatementGSPJackson35 min
Jul 17, 2:40 PM EDTSpecial Weather StatementGSPOconee50 min
Jul 17, 2:53 PM EDTSpecial Weather StatementGSPOconee52 min
Jul 17, 3:11 PM EDTSpecial Weather StatementGSPPickens49 min
Jul 17, 3:27 PM EDTSpecial Weather StatementGSPGreenville33 min
Jul 17, 3:39 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens36 min
Jul 17, 4:01 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg29 min
Jul 17, 4:07 PM EDTSpecial Weather StatementGSPGreenville, Spartanburg38 min
Jul 17, 4:33 PM EDTSpecial Weather StatementGSPCherokee, Spartanburg27 min
Jul 17, 2:02 PM EDTSpecial Weather StatementGSPHabersham, Rabun43 min
Jul 17, 2:32 PM EDTSpecial Weather StatementGSPHabersham43 min
Jul 17, 3:34 PM EDTSpecial Weather StatementGSPFranklin41 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.