Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 113, NWS Columbia, SC

June 10, 1998Clarendon County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 10, 1998, 9:26 AM EDT for Clarendon County, South Carolina. It was in force for 64 min. 2 reports 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, 9:26 AM EDT (13:26 UTC)
Expired
Jun 10, 1998, 10:30 AM EDT
In force
64 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Clarendon County, SC

The radar

The Columbia radar (KCAE), 89 km from the middle of the area, began a volume at 13:26 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, 10:00 AM EDTThunderstorm Wind 60Summerton, SCEPD reported pontoon boat destroyed and one blown across bay at Camp Bob Cooper.
Jun 10, 10:00 AM EDTThunderstorm Wind 60Jordan, SCEPD reported trees down on garage.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 8:30 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 1.4 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 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 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 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
381 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

988 
WUUS1 KCAE 101327 RRA
SVRCAE
SCC027-101430-

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

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

* UNTIL 1030 AM EDT

* AT 925 AM DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM ALONG 
  THE CLARENDON SUMTER COUNTY LINE. THIS STORM WAS MOVING SOUTHEAST 
  AT 30 MPH AND WILL LIKELY PRODUCE DAMAGING WINDS AND LARGE 
  HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUMMERTON AT 945 AM

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG 
BUILDING. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. 

AMATEUR RADIO AND OTHER SPOTTERS ARE REQUESTED TO MONITOR THIS 
STORM AND RELAY REPORTS PROMPTLY TO THE NEAREST NATIONAL WEATHER 
SERVICE OFFICE.

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, 4 hours 26 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, 4 hours 26 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
Local storm report, Jun 10, 7:48 AM EDT, 1 hour 38 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
748 AM EDT WED JUN 10 1998

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

720 AM     WINNSBORO                 SC   TREES DOWN ON THREE HOUSES.
06/10/98   FAIRFIELD                      REPORTED BY FAIRFIELD COUNTY
                                          SHERIFF.

DAE
Local storm report, Jun 10, 7:48 AM EDT, 1 hour 38 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
748 AM EDT WED JUN 10 1998

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

720 AM     WINNSBORO                 SC   TREES DOWN ON THREE HOUSES.
06/10/98   FAIRFIELD                      REPORTED BY FAIRFIELD COUNTY
                                          SHERIFF.

DAE

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, 6:59 AM EDTSevere Thunderstorm WarningCAEFairfield31 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.