Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 163, NWS Columbia, SC

June 24, 1998Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 24, 1998, 8:35 PM EDT for Orangeburg County, South Carolina. It was in force for 40 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 24, 1998, 8:35 PM EDT (00:35 UTC)
Expired
Jun 24, 1998, 9:15 PM EDT
In force
40 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Orangeburg County, SC

The radar

The Columbia radar (KCAE), 64 km from the middle of the area, began a volume at 00:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 24, 8:47 PM EDTThunderstorm Wind 70North, SCUtility company reported couple of poles and powerlines down.

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 00:00Z, 0.6 hours before the alert went out and 96 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 00:00Z on 1998-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2651 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1998-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
2651 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1494 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
99 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.

504 
WUUS1 KCAE 250037 RRA
SVRCAE
SCC075-250115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
835 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

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

* UNTIL 915 PM EDT 

* AT 827 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM 1 MILE WEST OF WOODFORD MOVING SOUTH 
  AT 15 MPH. THE STORM WILL DRIFT SOUTH ALONG AND TO THE WEST 
  OF HWY 321.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... 
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR 
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 24, 6:55 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
655 PM EDT WED JUN 24 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

656 PM     NEWBERRY                  SC   .75 INCH HAIL
06/24/98   NEWBERRY                       SHERIFF OFFICE

LM
Local storm report, Jun 24, 7:32 PM EDT, 1 hour 3 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
732 PM EDT WED JUN 24 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

700 PM     2 MILES NORTH OF NEWBERRY SC   NUMEROUS AIRPLANES DAMAGED
06/24/98   NEWBERRY                       AT THE AIRPORT. TREES AND
                                          POWER LINES DOWN.
DAE
Local storm report, Jun 24, 7:32 PM EDT, 1 hour 3 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
732 PM EDT WED JUN 24 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

700 PM     2 MILES NORTH OF NEWBERRY SC   NUMEROUS AIRPLANES DAMAGED
06/24/98   NEWBERRY                       AT THE AIRPORT. TREES AND
                                          POWER LINES DOWN.
DAE
Local storm report, Jun 24, 7:34 PM EDT, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
734 PM EDT WED JUN 24 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

725 PM     3 MILES EAST OF LANCASTER SC   WIND DAMAGE
06/24/98   LANCASTER                      TREES DOWN ON POWER LINES
                                          ON CAMP CREEK ROAD.
                                          REPORTED BY SHERIFF.

DAE
Local storm report, Jun 24, 7:39 PM EDT, 56 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE COLUMBIA, SC
739 PM EDT WED JUN 24 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

700 PM     2 MILES NORTH OF NEWBERRY SC   NUMEROUS AIRPLANES DAMAGED
06/24/98   NEWBERRY                       AT THE AIRPORT. TREES AND
                                          POWER LINES DOWN. REPORTED
DAE                                       BY HIGHWAY PATROL.

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 8:40 PM EDTSevere Thunderstorm WarningCAEBarnwell50 min
Jun 24, 8:57 PM EDTSevere Thunderstorm WarningCAEKershaw48 min

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; radar from the NEXRAD Level II archive.