Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 112, NWS Columbia, SC

June 10, 1998Fairfield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 10, 1998, 6:59 AM EDT for Fairfield County, South Carolina. It was in force for 31 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 10, 1998, 6:59 AM EDT (10:59 UTC)
Expired
Jun 10, 1998, 7:30 AM EDT
In force
31 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Fairfield County, SC

The radar

The Columbia radar (KCAE), 50 km from the middle of the area, began a volume at 10:59 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 10, 7:20 AM EDTThunderstorm Wind 50Winnsboro, SCSheriff reported trees down on homes.

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, 11.0 hours before the alert went out and 196 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 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
142 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.

125 
WUUS1 KCAE 101100 RRA
SVRCAE
SCC039-101130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
659 AM EDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

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

* UNTIL 730 AM EDT 

* AT 700 AM EDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
  9 MILES WEST OF WINNSBORO AND MOVING EAST AT 35 MPH.  THE 
  STORM WILL BE NEAR WINNSBORO AT 715 AM AND WILL BE PRODUCING 
  HAIL AROUND 1 INCH.

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. 

CDL

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

Special weather statement, Jun 10, 5:00 AM EDT, 1 hour 59 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-
036-037-038-041-GAZ040-063-064-065-077-101647-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
500 AM EDT WED JUN 10 1998

...SEVERE THUNDERSTORMS POSSIBLE OVER THE MIDLANDS AND CENTRAL SAVANNAH
RIVER VALLEY LATER TODAY...

(THE SEVERE WEATHER OUTLOOK FOR THE SOUTH CAROLINA MIDLANDS AND CENTRAL
SAVANNAH RIVER AREA OF GEORGIA APPLIES ONLY TO THE COUNTIES LISTED AT
THE END OF TEXT.)

A MOIST SOUTHERLY FLOW WILL CONTINUE OVER SOUTH CAROLINA AND GEORGIA
TODAY. THE COMBINATION OF THIS MOISTURE AND DAYTIME HEATING WILL CREATE
A VERY UNSTABLE AIRMASS OVER THE AREA BY LATE AFTERNOON. IN ADDITION...A
SERIES OF DISTURBANCES IN THE MID-LEVELS OF THE ATMOSPHERE WILL MOVE
ACROSS GEORGIA AND THE CAROLINAS DURING THE DAY AND INTO TONIGHT. THE
COMBINATION OF THIS INSTABILITY...MOISTURE AND UPPER-LEVEL SUPPORT WILL
LEAD TO THUNDERSTORM FORMATION DURING THE LATE AFTERNOON AND EVENING
HOURS. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE. THE GREATEST
THREAT FROM THESE THUNDERSTORMS WILL BE WIND GUSTS UP TO 60 MPH AND
POSSIBLE LARGE HAIL. THE MOST LIKELY TIME FOR THUNDERSTORM ACTIVITY WILL
BE FROM 4 PM THROUGH ABOUT 10 PM.

WEATHER SPOTTERS AND AMATEUR RADIO GROUPS SHOULD MONITOR THIS WEATHER
SITUATION AND BE READY FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON.
EMERGENCY MANAGERS SHOULD REMAIN ALERT AND BE READY FOR POSSIBLE SEVERE
WEATHER.

COLLINS
****************************************************************
IN SOUTH CAROLINA...
AIKEN        BAMBERG      BARNWELL     CALHOUN      CHESTERFIELD
CLARENDON    EDGEFIELD    FAIRFIELD    KERSHAW      LANCASTER
LEE          LEXINGTON    MCCORMICK    NEWBEJRRY     ORANGEBURG
RICHLAND     SALUDA       SUMTER

IN GEORGIA...
BURKE        COLUMBIA     LINCOLN      MCDUFFIE     RICHMOND
Special weather statement, Jun 10, 5:00 AM EDT, 1 hour 59 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-
036-037-038-041-GAZ040-063-064-065-077-101647-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
500 AM EDT WED JUN 10 1998

...SEVERE THUNDERSTORMS POSSIBLE OVER THE MIDLANDS AND CENTRAL SAVANNAH
RIVER VALLEY LATER TODAY...

(THE SEVERE WEATHER OUTLOOK FOR THE SOUTH CAROLINA MIDLANDS AND CENTRAL
SAVANNAH RIVER AREA OF GEORGIA APPLIES ONLY TO THE COUNTIES LISTED AT
THE END OF TEXT.)

A MOIST SOUTHERLY FLOW WILL CONTINUE OVER SOUTH CAROLINA AND GEORGIA
TODAY. THE COMBINATION OF THIS MOISTURE AND DAYTIME HEATING WILL CREATE
A VERY UNSTABLE AIRMASS OVER THE AREA BY LATE AFTERNOON. IN ADDITION...A
SERIES OF DISTURBANCES IN THE MID-LEVELS OF THE ATMOSPHERE WILL MOVE
ACROSS GEORGIA AND THE CAROLINAS DURING THE DAY AND INTO TONIGHT. THE
COMBINATION OF THIS INSTABILITY...MOISTURE AND UPPER-LEVEL SUPPORT WILL
LEAD TO THUNDERSTORM FORMATION DURING THE LATE AFTERNOON AND EVENING
HOURS. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE. THE GREATEST
THREAT FROM THESE THUNDERSTORMS WILL BE WIND GUSTS UP TO 60 MPH AND
POSSIBLE LARGE HAIL. THE MOST LIKELY TIME FOR THUNDERSTORM ACTIVITY WILL
BE FROM 4 PM THROUGH ABOUT 10 PM.

WEATHER SPOTTERS AND AMATEUR RADIO GROUPS SHOULD MONITOR THIS WEATHER
SITUATION AND BE READY FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON.
EMERGENCY MANAGERS SHOULD REMAIN ALERT AND BE READY FOR POSSIBLE SEVERE
WEATHER.

COLLINS
****************************************************************
IN SOUTH CAROLINA...
AIKEN        BAMBERG      BARNWELL     CALHOUN      CHESTERFIELD
CLARENDON    EDGEFIELD    FAIRFIELD    KERSHAW      LANCASTER
LEE          LEXINGTON    MCCORMICK    NEWBEJRRY     ORANGEBURG
RICHLAND     SALUDA       SUMTER

IN GEORGIA...
BURKE        COLUMBIA     LINCOLN      MCDUFFIE     RICHMOND

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:21 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell54 min
Jun 10, 9:26 AM EDTSevere Thunderstorm WarningCAEClarendon64 min
Jun 10, 1:09 PM EDTSevere Thunderstorm WarningCAECalhoun, Richland, Sumter51 min
Jun 10, 1:59 PM EDTSevere Thunderstorm WarningCAECalhoun61 min
Jun 10, 2:18 PM EDTSevere Thunderstorm WarningCAEEdgefield42 min
Jun 10, 2:21 PM EDTSevere Thunderstorm WarningCAELexington39 min
Jun 10, 4:08 PM EDTSevere Thunderstorm WarningCAEMcCormick37 min
Jun 10, 4:11 PM EDTSevere Thunderstorm WarningCAEEdgefield49 min
Jun 10, 4:21 PM EDTSevere Thunderstorm WarningCAEBarnwell39 min
Jun 10, 4:42 PM EDTSevere Thunderstorm WarningCAELexington, Saluda48 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.