Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 184, NWS Columbia, SC

July 27, 1998Clarendon County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jul 27, 1998, 6:24 PM EDT for Clarendon County, South Carolina. It was in force for 51 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 27, 1998, 6:24 PM EDT (22:24 UTC)
Expired
Jul 27, 1998, 7:15 PM EDT
In force
51 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Clarendon County, SC

What was reported inside it

TimeReportWhereRemark
Jul 27, 6:55 PM EDTThunderstorm Wind 55Summerton, SCSummerton Police reported trees down on Francis Marion road.

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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 10.4 hours before the alert went out and 88 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 1998-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1681 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 1998-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1681 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCAE 272224 RRA
SVRCAE
SCC027-272315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
624 PM EDT MON JUL 27 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARENDON COUNTY IN SOUTH CAROLINA

* UNTIL 715 PM EDT 

* AT 623 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM 10 MILES WEST-SOUTHWEST OF JORDAN. THE 
  STORM WAS MOVING TOWARD THE EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  JORDAN AT 640 PM EDT
  FORESTON AT 654 PM EDT
  SUMMERTON AT 626 PM EDT
  DAVIS STATION AT 636 PM EDT

THIS IS A DANGEROUS STORM...TAKE COVER IMMEDIATELY IF YOU ARE I(N 
ITS PATH. INTENSE SEVERE THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE 
AS SOME TORNADOES.

HG/JL

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998Every severe thunderstorm warning in 1998

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.