Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 78, NWS Columbia, SC

May 8, 1998Lexington County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at May 8, 1998, 2:33 AM EDT for Lexington County, South Carolina. It was in force for 42 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
May 8, 1998, 2:33 AM EDT (06:33 UTC)
Expired
May 8, 1998, 3:15 AM EDT
In force
42 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Lexington County, SC

What was reported inside it

TimeReportWhereRemark
May 8, 2:45 AM EDTThunderstorm Wind 50Lexington, SCTrees fell on a vehicle as it pulled out from under an over pass on I-20 at SC highway 34.

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, 6.6 hours before the alert went out and 162 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 1998-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 909 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 00:00Z on 1998-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
909 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

613 
WUUS1 KCAE 080634 RRA
SVRCAE
SCC063-080715-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
233 AM EDT FRI MAY 8 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

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

* UNTIL 315 AM EDT 

* WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 
  JUST EAST OF STEEDMAN  AT 230 AM. MOVEMENT WAS NORTHEAST AT 
  40 MPH. THIS STORM WILL PRODUCE LARGE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EDMUND AT 240 AM
  SOUTH CONGAREE  AT 250 AM

TTH

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, May 7, 11:12 PM EDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1112 PM EDT THU MAY 07 1998

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

1110 PM    LINCOLNTON                GA   .75 INCH HAIL
05/07/98   LINCOLN                        LINCOLN CO SHERRIF DEPT
                                          REPORTS DIME SIZED HAIL

TTH
Local storm report, May 7, 11:53 PM EDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1153 PM EDT THU MAY 07 1998

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

1150 PM    POLLARDS CORNER           GA   .88 INCH HAIL
05/07/98   COLUMBIA                       COLUMBIA COUNTY EPD
                                          REPORTS NICKEL SIZE HAIL

HG
Special weather statement, May 8, 12:14 AM EDT, 2 hours 19 minutes before
GAZ064-081214-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1214 AM EDT FRI MAY 8 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A SPECIAL WEATHER STATEMENT FOR

THE STATEMENT PERTAINS TO THE FOLLOWING COUNTY IN GEORGIA:

COLUMBIA

THE SEVERE THUNDERSTORM FOR COLUMBIA COUNTY GA HAS BEEN CANCELED. THE
THE STORM HAS MOVED EAST.

RCC
Special weather statement, May 8, 12:14 AM EDT, 2 hours 19 minutes before
GAZ064-081214-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1214 AM EDT FRI MAY 8 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A SPECIAL WEATHER STATEMENT FOR

THE STATEMENT PERTAINS TO THE FOLLOWING COUNTY IN GEORGIA:

COLUMBIA

THE SEVERE THUNDERSTORM FOR COLUMBIA COUNTY GA HAS BEEN CANCELED. THE
THE STORM HAS MOVED EAST.

RCC
Local storm report, May 8, 12:30 AM EDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1230 AM EDT FRI MAY 08 1998

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

1200 AM    MARTINEZ                  GA   TORNADO
05/08/98   COLUMBIA                       COLUMBIA COUNTY EPD
                                          REPORTED TORNADO TOUCHDOWN

HG
Local storm report, May 8, 12:40 AM EDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1240 AM EDT FRI MAY 08 1998

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

1215 AM    CLARKS HILL               SC   WIND DAMAGE
05/08/98   MCCORMICK                      TREES DOWN IN CLARKS HILL.
                                          REPORTED BY SHERIFF
                                          DEPARTMENT.

RCC

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:05 PM EDTSevere Thunderstorm WarningCAELexington85 min
May 7, 8:07 PM EDTTornado WarningCAEEdgefield53 min
May 7, 8:22 PM EDTTornado WarningCAEAiken53 min
May 7, 9:25 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg65 min
May 7, 9:53 PM EDTSevere Thunderstorm WarningCAEEdgefield67 min
May 7, 11:59 PM EDTTornado WarningCAEMcCormick31 min
May 8, 12:28 AM EDTSevere Thunderstorm WarningCAEOrangeburg47 min
May 8, 2:15 AM EDTSevere Thunderstorm WarningCAEFairfield45 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.