Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 68, NWS Columbia, SC

May 7, 1998Saluda County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at May 7, 1998, 6:58 PM EDT for Saluda County, South Carolina. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 7, 1998, 6:58 PM EDT (22:58 UTC)
Expired: May 7, 1998, 8:00 PM EDT
In force: 62 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Saluda County, SC

The watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 5:00 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.0 hours before the alert went out and 202 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 280 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 931 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

213 
WUUS1 KCAE 072259 RRA
SVRCAE
SCC081-080000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
658 PM EDT THU MAY 7 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

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

* UNTIL 800 PM EDT 

* WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORMS 
  OVER  EASTERN MCCORMICK AND GREENWOOD COUNTIES. THESE STORMS 
  WERE MOVING SOUTHEAST AROUND 30 MPH. THEY WILL MOVE INTO SALUDA 
  COUNTY AROUND 715 PM.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MAYSON AT 715
  SALUDA AT 730 PM

SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES 
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO 
RAPIDLY CHANGING WEATHER CONDITIONS.

LCVCC

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, 1:44 PM EDT, 5 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
144 PM EDT THU MAY 07 1998

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

120 PM     5 S WAYNESBORO            GA   .75 INCH HAIL
05/07/98   BURKE                          COUNTY DIRECTOR REPORTS
                                          HAIL HIGHWAY 56

TA

Special weather statement, May 7, 3:15 PM EDT, 3 hours 43 minutes before

SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-
035-036-037-038-041-GAZ040-063-064-065-077-072011-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
315 PM EDT THU MAY 7 1998

THE THREAT OF SEVERE WEATHER HAS DIMINISHED IN PART OF THE WATCH
AREA. THE WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN
THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA:

AIKEN        BAMBERG      BARNWELL     BURKE        CALHOUN
CHESTERFIELD CLARENDON    COLUMBIA     EDGEFIELD    FAIRFIELD
KERSHAW      LANCASTER    LEE          LEXINGTON    LINCOLN
MCCORMICK    MCDUFFIE     NEWBERRY     ORANGEBURG   RICHLAND
RICHMOND     SALUDA       SUMTER

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO CROSS THE EASTERN MIDLANDS
THROUGH 5 PM...BUT NO SEVERE WEATHER IS EXPECTED.

LM

Special weather statement, May 7, 3:15 PM EDT, 3 hours 43 minutes before

SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-
035-036-037-038-041-GAZ040-063-064-065-077-072011-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
315 PM EDT THU MAY 7 1998

THE THREAT OF SEVERE WEATHER HAS DIMINISHED IN PART OF THE WATCH
AREA. THE WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN
THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA:

AIKEN        BAMBERG      BARNWELL     BURKE        CALHOUN
CHESTERFIELD CLARENDON    COLUMBIA     EDGEFIELD    FAIRFIELD
KERSHAW      LANCASTER    LEE          LEXINGTON    LINCOLN
MCCORMICK    MCDUFFIE     NEWBERRY     ORANGEBURG   RICHLAND
RICHMOND     SALUDA       SUMTER

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO CROSS THE EASTERN MIDLANDS
THROUGH 5 PM...BUT NO SEVERE WEATHER IS EXPECTED.

LM

Special weather statement, May 7, 3:42 PM EDT, 3 hours 16 minutes before

SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-
036-037-038-041-GAZ040-063-064-065-077-080000-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
342 PM EDT THU MAY 7 1998

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN SOUTH CAROLINA:
AIKEN        BAMBERG      BARNWELL     CALHOUN      CHESTERFIELD
CLARENDON    EDGEFIELD    FAIRFIELD    KERSHAW      LANCASTER
LEE          LEXINGTON    MCCORMICK    NEWBERRY     ORANGEBURG
RICHLAND     SALUDA       SUMTER

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN GEORGIA:
BURKE        COLUMBIA     LINCOLN      MCDUFFIE     RICHMOND

AN UPPER LEVEL DISTURBANCE APPROACHING THE WESTERN CAROLINAS AND
NORTHERN GEORGIA LATE THIS AFTERNOON WILL BE ACCOMPANIED BY A STRONG UPPER
LEVEL FLOW. IN THE LOWER LEVELS, THE AIRMASS IS ALREADY UNSTABLE AHEAD
OF AN APPROACHING FRONT.

THUNDERSTORMS DEVELOPING WEST OF THE STATE THIS AFTERNOON ARE EXPECTED
TO MOVE INTO CENTRAL SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA
OF GEORGIA THIS EVENING AND TONIGHT.

THE SEVERE STORMS ARE EXPECTED TO PRODUCE VERY HEAVY RAIN...DAMAGING
HAIL TO 2 INCHES AND WIND GUST TO 60 MPH. A FEW TORNADOES ARE ALSO
POSSIBLE WITH THE MOST INTENSE STORMS.

EMERGENCY PREPAREDNESS OFFICIALS ARE REQUESTED TO REMAIN ALERT AND
MAKE PRELIMINARY PLANS TO DEAL WITH SEVERE WEATHER SHOULD IT OCCUR.
SEVERE WEATHER SPOTTERS...INCLUDING AMATEUR RADIO OPERATORS...
SHOULD MONITOR THIS WEATHER SITUATION AND RELAY REPORTS PROMPTLY
TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE.

LM

Local storm report, May 7, 6:35 PM EDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
635 PM EDT THU MAY 07 1998

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

634 PM     MCCORMICK                 SC   1.75 INCH HAIL
05/07/98   MCCORMICK                      PUBLIC REPORTS QUARTER TO
                                          GOLF BALL SIZE HAIL

TTH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 6:29 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	61 min
May 7, 6:44 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield	61 min
May 7, 7:10 PM EDT	Tornado Warning	CAE	Edgefield	35 min
May 7, 7:29 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	61 min
May 7, 7:46 PM EDT	Tornado Warning	CAE	Edgefield, Saluda	29 min
May 7, 7:57 PM EDT	Tornado Warning	CAE	McCormick	33 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998 Every 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; the sounding from the Mesonet's radiosonde archive.