Alert archive / South Carolina / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 7, NWS Greenville-Spartanburg, SC

May 7, 1986Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 7, 1986, 4:18 PM EDT for Greenville County, South Carolina. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 7, 1986, 4:18 PM EDT (20:18 UTC)
Expired
May 7, 1986, 5:15 PM EDT
In force
57 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Greenville County, SC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 8.3 hours before the alert went out and 135 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 1986-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 891 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 1986-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 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
891 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
951 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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
May 7, 4:18 PM EDTSevere Thunderstorm WarningGSPOconee57 min
May 7, 4:56 PM EDTSevere Thunderstorm WarningGSPLaurens64 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1986Every severe thunderstorm warning in 1986

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.