Alert archive / South Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 77, NWS Columbia, SC

June 29, 1994Calhoun County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 29, 1994, 4:00 PM EDT for Calhoun County, South Carolina. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 4:00 PM EDT (20:00 UTC)
Expired
Jun 29, 1994, 5:00 PM EDT
In force
60 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Calhoun County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.0 hours before the alert went out and 113 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 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2388 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 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2388 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
68 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 Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 8:01 PM EDTSevere Thunderstorm WarningCAELexington, Newberry, Saluda59 min
Jun 28, 8:33 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Lancaster, Richland57 min
Jun 28, 8:33 PM EDTSevere Thunderstorm WarningCAEChester, York57 min
Jun 28, 8:47 PM EDTSevere Thunderstorm WarningCAEMarlboro58 min
Jun 28, 9:03 PM EDTSevere Thunderstorm WarningCAENewberry, Saluda57 min
Jun 28, 9:28 PM EDTSevere Thunderstorm WarningCAELancaster62 min
Jun 28, 9:35 PM EDTSevere Thunderstorm WarningCAELexington55 min
Jun 28, 9:48 PM EDTSevere Thunderstorm WarningCAERichland57 min
Jun 28, 9:56 PM EDTSevere Thunderstorm WarningCAERichland49 min
Jun 29, 3:35 PM EDTSevere Thunderstorm WarningCAEBamberg, Orangeburg55 min
Jun 29, 3:45 PM EDTSevere Thunderstorm WarningCAELexington45 min
Jun 29, 4:07 PM EDTSevere Thunderstorm WarningCAERichland68 min
Jun 29, 4:13 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw62 min
Jun 29, 4:26 PM EDTSevere Thunderstorm WarningCAEChester, Lancaster64 min
Jun 29, 4:31 PM EDTSevere Thunderstorm WarningCAEBamberg59 min
Jun 29, 4:31 PM EDTSevere Thunderstorm WarningCAEDillon, Marlboro59 min
Jun 29, 5:09 PM EDTSevere Thunderstorm WarningCAEChesterfield66 min
Jun 29, 5:18 PM EDTSevere Thunderstorm WarningCAEFlorence57 min
Jun 29, 5:35 PM EDTSevere Thunderstorm WarningCAEDarlington55 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1994Every severe thunderstorm warning in 1994

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.