Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 112, NWS Columbia, SC
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 10, 7:20 AM EDT | Thunderstorm Wind 50 | Winnsboro, SC | Sheriff 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 8:21 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 54 min |
| Jun 10, 9:26 AM EDT | Severe Thunderstorm Warning | CAE | Clarendon | 64 min |
| Jun 10, 1:09 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Richland, Sumter | 51 min |
| Jun 10, 1:59 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun | 61 min |
| Jun 10, 2:18 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield | 42 min |
| Jun 10, 2:21 PM EDT | Severe Thunderstorm Warning | CAE | Lexington | 39 min |
| Jun 10, 4:08 PM EDT | Severe Thunderstorm Warning | CAE | McCormick | 37 min |
| Jun 10, 4:11 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield | 49 min |
| Jun 10, 4:21 PM EDT | Severe Thunderstorm Warning | CAE | Barnwell | 39 min |
| Jun 10, 4:42 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Saluda | 48 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.