Alert archive / South Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 29, NWS Columbia, SC

June 21, 1992Fairfield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 21, 1992, 3:57 PM EDT for Fairfield County, South Carolina. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 1992, 3:57 PM EDT (19:57 UTC)
Expired
Jun 21, 1992, 5:00 PM EDT
In force
63 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Fairfield County, SC

What was reported inside it

TimeReportWhereRemark
Jun 21, 4:40 PM EDTHail 1.75Fairfield, SC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.0 hours before the alert went out and 196 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, Charleston AFB, SC at 12:00Z on 1992-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 643 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, Charleston AFB, SC at 12:00Z on 1992-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
643 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 2:40 PM EDTSevere Thunderstorm WarningCAEDarlington, Florence65 min
Jun 21, 3:22 PM EDTSevere Thunderstorm WarningCAEChester68 min
Jun 21, 4:16 PM EDTSevere Thunderstorm WarningCAELee, Sumter59 min
Jun 21, 4:20 PM EDTSevere Thunderstorm WarningCAEKershaw55 min
Jun 21, 4:25 PM EDTSevere Thunderstorm WarningCAEClarendon65 min
Jun 21, 4:42 PM EDTSevere Thunderstorm WarningCAEFlorence63 min
Jun 21, 5:09 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Sumter66 min
Jun 21, 5:19 PM EDTSevere Thunderstorm WarningCAEOrangeburg56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.