Alert archive / South Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 16, NWS Charleston, SC

July 1, 1992Charleston County, Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 1, 1992, 4:43 PM EDT for Charleston County, Dorchester County, South Carolina. It was in force for 62 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
Jul 1, 1992, 4:43 PM EDT (20:43 UTC)
Expired
Jul 1, 1992, 5:45 PM EDT
In force
62 min
Issued by
NWS Charleston, SC
Area
Whole counties

Counties Charleston County, SC, Dorchester County, SC

What was reported inside it

TimeReportWhereRemark
Jul 1, 5:00 PM EDTHail 1.75Dorchester, 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, 8.7 hours before the alert went out and 16 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 1992-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
55 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 Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 4:10 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton35 min
Jul 1, 5:01 PM EDTSevere Thunderstorm WarningCHSBerkeley59 min
Jul 1, 5:07 PM EDTSevere Thunderstorm WarningCHSGeorgetown, Williamsburg68 min
Jul 1, 6:14 PM EDTSevere Thunderstorm WarningCHSHorry61 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.