Alert archive / South Carolina / Tornado Warnings in 1998

Tornado Warning 14, NWS Columbia, SC

May 10, 1998Sumter County, South Carolina

NWS Columbia, SC issued this tornado warning at May 10, 1998, 5:23 PM EDT for Sumter County, South Carolina. It was in force for 37 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 10, 1998, 5:23 PM EDT (21:23 UTC)
Expired
May 10, 1998, 6:00 PM EDT
In force
37 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Sumter County, SC

What was reported inside it

TimeReportWhereRemark
May 10, 5:28 PM EDTTornado F0Pinewood, SCAn F0 briefly touched down and took some tress down around Panola and Avin roads.

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, 9.4 hours before the alert went out and 118 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 1998-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 315 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 1998-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
315 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAE 102123 RRA
TORCAE
SCC085-102200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
523 PM EDT SUN MAY 10 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SUMTER COUNTY IN SOUTH CAROLINA

* UNTIL 600 PM EDT 

* AT 520 PM NATIONAL WEATHER SERVICE DOPPLER  RADAR DETECTED 
  A TORNADO IN SOUTHERN SUMTER COUNTY WEST OF PINEWOOD. THIS 
  STORM IS MOVING SOUTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  PINEWOOD AT 538 PM

DO NOT STAY IN A CAR OR MOBILE HOME DURING A TORNADO. GO TO  
A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER 
IN A DITCH OR LOW SPOT. 

THIS IS A DANGEROUS STORM...TAKE COVER IMMED`IATELY IF YOU ARE IN 
ITS PATH. 

AWP

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 3:42 PM EDTSevere Thunderstorm WarningCAEOrangeburg48 min
May 10, 4:04 PM EDTTornado WarningCAEOrangeburg26 min
May 10, 5:13 PM EDTSevere Thunderstorm WarningCAESumter32 min
May 10, 5:32 PM EDTSevere Thunderstorm WarningCAEBamberg, Orangeburg43 min
May 10, 5:36 PM EDTTornado WarningCAEClarendon39 min

Nearby

Tornado Warnings in South Carolina, 1998Every tornado warning in 1998Tornadoes 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.