Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 43, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 17, 1998, 6:37 AM EDT for Richland County, South Carolina. It was in force for 23 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
- Apr 17, 1998, 6:37 AM EDT (10:37 UTC)
- Expired
- Apr 17, 1998, 7:00 AM EDT
- In force
- 23 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Richland County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 6:50 AM EDT | Hail 0.75 | Cedar Creek, SC | COOP observer reported 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 00:00Z, 10.6 hours before the alert went out and 150 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
569 WUUS1 KCAE 171034 RRA SVRCAE SCC079-171100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 637 AM EDT FRI APR 17 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN RICHLAND COUNTY IN SOUTH CAROLINA * UNTIL 700 AM EDT * AT 630 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN COLUMBIA AND BLYTHEWOOD NEAR KILLIAN...MOVING EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PONTIAC AT 640 AM AMATEUR RADIO AND OTHER SPOTTERS ARE REQUESTED TO MONITOR THIS STORM AND RELAY REPORTS PROMPTLY TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. RCC
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 17, 6:14 AM EDT, 23 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-171813- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 614 AM EDT FRI APR 17 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 A SLOW MOVING COLD FRONT STRETCHING FROM WEST VIRGINIA SOUTHWESTWARD TO CENTRAL ALABAMA WILL STALL OUT ACROSS THE UPSTATE OF SOUTH CAROLINA TODAY. A WARM...MOIST AND UNSTABLE AIRMASS WILL REMAIN AHEAD OF THE FRONT. THIS INCLUDES THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE REGION THIS MORNING. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON HOURS. THE STRONGEST STORMS WILL LIKLEY DEVELOP NORTH AND EAST OF COLUMBIA...FROM LANCASTER COUNTY SOUTHEAST ACROSS KERSHAW...SUMTER INTO CLARENDON COUNTY. EXPECT WIND GUSTS TO NEAR 40 MPH...RAINFALL AMOUNTS AROUND ONE INCH AND THE POSSIBILITY OF SMALL HAIL. CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. HOWEVER...ALL THUNDERSTORMS CONTAIN DANGEROUS LIGHTNING. ALWAYS MOVE INDOORS DURING A THUNDERSTORM. LCV
Special weather statement, Apr 17, 6:14 AM EDT, 23 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-171813- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 614 AM EDT FRI APR 17 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 A SLOW MOVING COLD FRONT STRETCHING FROM WEST VIRGINIA SOUTHWESTWARD TO CENTRAL ALABAMA WILL STALL OUT ACROSS THE UPSTATE OF SOUTH CAROLINA TODAY. A WARM...MOIST AND UNSTABLE AIRMASS WILL REMAIN AHEAD OF THE FRONT. THIS INCLUDES THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE REGION THIS MORNING. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON HOURS. THE STRONGEST STORMS WILL LIKLEY DEVELOP NORTH AND EAST OF COLUMBIA...FROM LANCASTER COUNTY SOUTHEAST ACROSS KERSHAW...SUMTER INTO CLARENDON COUNTY. EXPECT WIND GUSTS TO NEAR 40 MPH...RAINFALL AMOUNTS AROUND ONE INCH AND THE POSSIBILITY OF SMALL HAIL. CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. HOWEVER...ALL THUNDERSTORMS CONTAIN DANGEROUS LIGHTNING. ALWAYS MOVE INDOORS DURING A THUNDERSTORM. LCV
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 8:46 AM EDT | Severe Thunderstorm Warning | CAE | Richland | 59 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.