Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 113, NWS Columbia, SC
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 10, 10:00 AM EDT | Thunderstorm Wind 60 | Summerton, SC | EPD reported pontoon boat destroyed and one blown across bay at Camp Bob Cooper. |
| Jun 10, 10:00 AM EDT | Thunderstorm Wind 60 | Jordan, SC | EPD 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 10, 8:30 AM EDT | Severe Thunderstorm Watch | SPC | 6 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.
- 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
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.
DAELocal 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.
DAEThe 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, 6:59 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 31 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.