Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 116, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 10, 1998, 2:18 PM EDT for Edgefield County, South Carolina. It was in force for 42 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, 2:18 PM EDT (18:18 UTC)
- Expired
- Jun 10, 1998, 3:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Edgefield County, SC
The radar
The Columbia radar (KCAE), 81 km from the middle of the area, began a volume at 18:17 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, 2:25 PM EDT | Hail 0.75 | Edgefield, SC | SKYWARN spotter 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 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, 6.3 hours before the alert went out and 207 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.
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, 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, 2:21 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 |
| 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.