Alert archive / South Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 94, NWS Greenville-Spartanburg, SC

July 3, 2019Oconee County, South Carolina; Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 3, 2019, 7:23 PM EDT for Oconee County, South Carolina; Rabun County, Georgia. It was in force for 52 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 3, 2019, 7:23 PM EDT (23:23 UTC)
Expired: Jul 3, 2019, 8:15 PM EDT
In force: 52 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rabun County, GA, Oconee County, SC

The radar

The Greer radar (KGSP), 93 km from the middle of the area, began a volume at 23:23 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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 338 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1129 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1001 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 4:44 PM EDT	Special Weather Statement	GSP	Buncombe	46 min
Jul 3, 5:20 PM EDT	Special Weather Statement	GSP	Henderson	25 min
Jul 3, 7:13 PM EDT	Special Weather Statement	GSP	Jackson	32 min
Jul 3, 7:33 PM EDT	Special Weather Statement	GSP	Polk	42 min
Jul 3, 3:24 PM EDT	Special Weather Statement	GSP	Oconee	36 min
Jul 3, 3:40 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	25 min
Jul 3, 7:07 PM EDT	Special Weather Statement	GSP	Oconee	38 min
Jul 3, 7:26 PM EDT	Special Weather Statement	GSP	Anderson	49 min
Jul 3, 7:37 PM EDT	Special Weather Statement	GSP	Abbeville	38 min
Jul 3, 7:50 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenville, Greenwood, Laurens	40 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2019 Severe Thunderstorm Warnings in Georgia, 2019 Every 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.