Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 30, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 8, 1998, 3:36 PM EDT for Edgefield County, McCormick County, South Carolina. It was in force for 54 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
- Apr 8, 1998, 3:36 PM EDT (19:36 UTC)
- Expired
- Apr 8, 1998, 4:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
Counties Edgefield County, SC, McCormick County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 3:40 PM EDT | Hail 0.75 | Clarks Hill, SC | Spotter reports dime size hail. |
| Apr 8, 4:00 PM EDT | Hail 0.75 | Edgefield, SC | County EFP reports dime size hail. |
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, 7.6 hours before the alert went out and 224 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.
- Mixed-layer CAPE
- 24 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
893 WUUS1 KCAE 081937 RRA SVRCAE SCC037-065-082030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 336 PM EDT WED APR 8 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EDGEFIELD COUNTY IN SOUTH CAROLINA SOUTHERN MCCORMICK COUNTY IN SOUTH CAROLINA * UNTIL 430 PM EDT * AT 335 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR CLARKS HILL. THE STORM WAS MOVING NORTHEAST 45 MPH. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. * THE SEVERE THUNDERSTORM WILL BE NEAR... EDGEFIELD AT 355 PM THIS IS A DANGEROUS STORM. TAKE COVER IF THREATENING WEATHER APPROACHES. LM/BC/TA
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, Apr 8, 11:25 AM EDT, 4 hours 11 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-080300- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 1125 AM EDT WED APR 8 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 ...SEVERE WEATHER POSSIBLE THIS AFTERNOON INTO TONIGHT... AN UPPER LEVEL DISTURBANCE WILL APPROACH THE AREA THIS AFTERNOON AND MOVE NORTHEAST THIS EVENING. A COLD FRONT WILL APPROACH FROM THE WEST LATE TONIGHT. THE AIRMASS IS ALREADY UNSTABLE AND MOISTURE WILL CONTINUE TO INCREASE ACROSS THE AREA INTO TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS THE CENTRAL SAVANNAH RIVER AREA WILL BECOME MORE NUMEROUS WHILE SPREADING NORTH THIS AFTERNOON. THE THUNDERSTORMS THIS AFTERNOON WILL BE CAPABLE OF PRODUCING RAINFALL OF 1/2 INCH...WIND GUSTS TO 30 MPH AND FREQUENT LIGHTNING. THIS EVENING AND TONIGHT A FEW OF THE THUNDERSTORMS COULD PRODUCE WIND GUSTS TO 60 MPH...LARGE HAIL AND EVEN ISOLATED TORNADOES. ALL INTERESTS SHOULD BE AWARE OF THIS POTENTIAL FOR SEVERE WEATHER AND KEEP POSTED LATER WEATHER STATEMENTS...WATCHES...OR WARNINGS WHICH MAY BE ISSUED BY THE NATIONAL WEATHER SERVICE. EMERGENCY PREPAREDNESS OFFICIALS ARE REQUESTED TO REMAIN ALERT AND MAKE PLANS TO DEAL WITH SEVERE WEATHER SHOULD IT OCCUR. SEVERE WEATHER SPOTTERS...INCLUDING AMATEUR RADIO OPERATORS...SHOULD MONITOR THE WEATHER SITUATION LATE THIS AFTERNOON INTO TONIGHT. LM
Special weather statement, Apr 8, 11:25 AM EDT, 4 hours 11 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-080300- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 1125 AM EDT WED APR 8 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 ...SEVERE WEATHER POSSIBLE THIS AFTERNOON INTO TONIGHT... AN UPPER LEVEL DISTURBANCE WILL APPROACH THE AREA THIS AFTERNOON AND MOVE NORTHEAST THIS EVENING. A COLD FRONT WILL APPROACH FROM THE WEST LATE TONIGHT. THE AIRMASS IS ALREADY UNSTABLE AND MOISTURE WILL CONTINUE TO INCREASE ACROSS THE AREA INTO TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS THE CENTRAL SAVANNAH RIVER AREA WILL BECOME MORE NUMEROUS WHILE SPREADING NORTH THIS AFTERNOON. THE THUNDERSTORMS THIS AFTERNOON WILL BE CAPABLE OF PRODUCING RAINFALL OF 1/2 INCH...WIND GUSTS TO 30 MPH AND FREQUENT LIGHTNING. THIS EVENING AND TONIGHT A FEW OF THE THUNDERSTORMS COULD PRODUCE WIND GUSTS TO 60 MPH...LARGE HAIL AND EVEN ISOLATED TORNADOES. ALL INTERESTS SHOULD BE AWARE OF THIS POTENTIAL FOR SEVERE WEATHER AND KEEP POSTED LATER WEATHER STATEMENTS...WATCHES...OR WARNINGS WHICH MAY BE ISSUED BY THE NATIONAL WEATHER SERVICE. EMERGENCY PREPAREDNESS OFFICIALS ARE REQUESTED TO REMAIN ALERT AND MAKE PLANS TO DEAL WITH SEVERE WEATHER SHOULD IT OCCUR. SEVERE WEATHER SPOTTERS...INCLUDING AMATEUR RADIO OPERATORS...SHOULD MONITOR THE WEATHER SITUATION LATE THIS AFTERNOON INTO TONIGHT. LM
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 4:10 PM EDT | Severe Thunderstorm Warning | CAE | Saluda | 50 min |
| Apr 8, 4:26 PM EDT | Severe Thunderstorm Warning | CAE | Lexington | 64 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.