Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 120, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 10, 1998, 4:21 PM EDT for Barnwell County, South Carolina. It was in force for 39 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
- Jun 10, 1998, 4:21 PM EDT (20:21 UTC)
- Expired
- Jun 10, 1998, 5:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Barnwell County, SC
The radar
The Charleston,SC radar (KCLX), 77 km from the middle of the area, began a volume at 20:22 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.
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, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.4 hours before the alert went out and 140 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jun 10, 2:48 PM EDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
248 PM EDT WED JUN 10 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
225 PM 10 S EDGEFIELD SC .75 INCH HAIL
06/10/98 EDGEFIELD SKYWARN SPOTTER
MWCLocal storm report, Jun 10, 2:50 PM EDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
250 PM EDT WED JUN 10 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
232 PM BATESBURG-LEESVILLE SC .75 INCH HAIL
06/10/98 LEXINGTON SKYWARN SPOTTER
MWCLocal storm report, Jun 10, 3:21 PM EDT, 1 hour before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
321 PM EDT WED JUN 10 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
240 PM LONESTAR SC TREES DOWN ON POWER LINES.
06/10/98 CALHOUN REPORTED BY TRI-COUNTY
ELECTRIC.
DAELocal storm report, Jun 10, 3:21 PM EDT, 1 hour before
STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
321 PM EDT WED JUN 10 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
240 PM LONESTAR SC TREES DOWN ON POWER LINES.
06/10/98 CALHOUN REPORTED BY TRI-COUNTY
ELECTRIC.
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, 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, 4:42 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Saluda | 48 min |
| Jun 10, 5:53 PM EDT | Severe Thunderstorm Warning | CAE | Richmond | 52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.