Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 131, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 12, 2018, 4:35 PM EDT for Aiken County, Edgefield County, South Carolina. It was in force for 29 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
- Jul 12, 2018, 4:35 PM EDT (20:35 UTC)
- Expired
- Jul 12, 2018, 5:04 PM EDT
- In force
- 29 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Aiken County, SC, Edgefield County, SC
The radar
The Columbia radar (KCAE), 71 km from the middle of the area, began a volume at 20:35 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.6 hours before the alert went out and 187 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
- 292 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1349 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 35 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 |
|---|---|---|---|---|
| Jul 12, 1:10 PM EDT | Special Weather Statement | CAE | Calhoun | 35 min |
| Jul 12, 1:34 PM EDT | Special Weather Statement | CAE | Newberry | 26 min |
| Jul 12, 1:50 PM EDT | Special Weather Statement | CAE | Saluda | 25 min |
| Jul 12, 2:18 PM EDT | Severe Thunderstorm Warning | CAE | Saluda | 42 min |
| Jul 12, 2:28 PM EDT | Special Weather Statement | CAE | Kershaw | 32 min |
| Jul 12, 2:58 PM EDT | Special Weather Statement | CAE | Saluda | 32 min |
| Jul 12, 3:16 PM EDT | Special Weather Statement | CAE | Fairfield | 29 min |
| Jul 12, 3:22 PM EDT | Special Weather Statement | CAE | Richland | 23 min |
| Jul 12, 3:26 PM EDT | Areal Flood Advisory | CAE | Richland | 67 min |
| Jul 12, 3:42 PM EDT | Special Weather Statement | CAE | McCormick | 48 min |
| Jul 12, 3:50 PM EDT | Special Weather Statement | CAE | Aiken | 25 min |
| Jul 12, 4:08 PM EDT | Special Weather Statement | CAE | Sumter | 22 min |
| Jul 12, 4:20 PM EDT | Special Weather Statement | CAE | McCormick | 25 min |
| Jul 12, 5:25 PM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lancaster | 110 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2018Every severe thunderstorm warning in 2018
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.