Alert archive / South Carolina / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 146, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Aug 18, 2024, 5:35 PM EDT for Lancaster County, South Carolina. It was in force for 40 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
- Aug 18, 2024, 5:35 PM EDT (21:35 UTC)
- Expired
- Aug 18, 2024, 6:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Lancaster County, SC
The radar
The Columbia radar (KCAE), 90 km from the middle of the area, began a volume at 21:37 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 |
|---|---|---|---|
| Aug 18, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.6 hours before the alert went out and 209 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
- 253 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:14 PM EDT | Special Weather Statement | CAE | McCormick | 46 min |
| Aug 17, 8:24 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Lexington, Newberry, Richland | 51 min |
| Aug 17, 8:30 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick | 60 min |
| Aug 17, 8:41 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 49 min |
| Aug 17, 8:55 PM EDT | Areal Flood Advisory | CAE | Newberry | 2 hr |
| Aug 17, 9:01 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, Newberry, Saluda | 59 min |
| Aug 17, 9:15 PM EDT | Special Weather Statement | CAE | Lexington, Richland | 45 min |
| Aug 17, 9:24 PM EDT | Areal Flood Advisory | CAE | Fairfield, Lexington, Newberry, Richland | 3 hr |
| Aug 17, 9:29 PM EDT | Special Weather Statement | CAE | Newberry | 61 min |
| Aug 17, 10:08 PM EDT | Special Weather Statement | CAE | Aiken, Lexington, Richland | 67 min |
| Aug 17, 10:24 PM EDT | Areal Flood Advisory | CAE | Richland | 103 min |
| Aug 17, 10:43 PM EDT | Flash Flood Warning | CAE | Richland | 80 min |
| Aug 18, 6:10 PM EDT | Severe Thunderstorm Warning | CAE | Chesterfield, Kershaw, Lancaster | 38 min |
| Aug 18, 7:30 PM EDT | Special Weather Statement | CAE | Lancaster | 30 min |
| Aug 18, 7:17 PM EDT | Special Weather Statement | CAE | Jenkins | 43 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2024Every severe thunderstorm warning in 2024
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.