Alert archive / South Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 64, NWS Greenville-Spartanburg, SC

July 1, 1992Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 1, 1992, 6:43 PM EDT for Union County, South Carolina. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1992, 6:43 PM EDT (22:43 UTC)
Expired
Jul 1, 1992, 7:30 PM EDT
In force
47 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, SC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 10.7 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, Athens Municipal, GA at 12:00Z on 1992-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 119 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, Athens Municipal, GA at 12:00Z on 1992-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
119 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 6:22 PM EDTSevere Thunderstorm WarningGSPLaurens38 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1992Every severe thunderstorm warning in 1992

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.