Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 52, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 11, 2018, 9:13 PM EDT for Lexington County, South Carolina. It was in force for 47 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 11, 2018, 9:13 PM EDT (01:13 UTC)
- Expired
- Jun 11, 2018, 10:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Lexington County, SC
The radar
The Columbia radar (KCAE), 15 km from the middle of the area, began a volume at 01:13 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.2 hours before the alert went out and 305 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
- 200 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 7:37 PM EDT, 1 hour 36 minutes earlier.
Area forecast discussion, Jun 11, 7:37 PM EDT, 1 hour 36 minutes before
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</html>Hazardous weather outlook, Jun 11, 9:39 AM EDT, 11 hours 34 minutes before
Hazardous Weather Outlook National Weather Service Columbia SC 939 AM EDT Mon Jun 11 2018 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-121345- Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- 939 AM EDT Mon Jun 11 2018 This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and Tonight. Numerous thunderstorms are forecast especially during the 600 pm to 900 pm time frame. Damaging wind and hail will be possible with the thunderstorms. There may also be very heavy rainfall with possible localized flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms will be possible, especially during the afternoons and evenings. A few storms could contain strong wind and locally heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required this afternoon or evening.
In the hours before
Local storm report, Jun 11, 6:35 PM EDT, 2 hours 38 minutes before
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</html>Local storm report, Jun 11, 6:47 PM EDT, 2 hours 26 minutes before
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</html>Local storm report, Jun 11, 6:49 PM EDT, 2 hours 24 minutes before
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</html>Local storm report, Jun 11, 7:02 PM EDT, 2 hours 11 minutes before
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</html>Special weather statement, Jun 11, 7:28 PM EDT, 1 hour 45 minutes before
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</html>The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:22 PM EDT | Special Weather Statement | CAE | Lexington | 23 min |
| Jun 11, 8:45 PM EDT | Special Weather Statement | CAE | Lexington | 45 min |
| Jun 11, 8:57 PM EDT | Areal Flood Advisory | CAE | Lexington, Richland | 63 min |
| Jun 11, 9:05 PM EDT | Flash Flood Warning | CAE | Lexington, Richland | 85 min |
| Jun 11, 10:03 PM EDT | Areal Flood Advisory | CAE | Newberry | 117 min |
| Jun 12, 12:06 AM EDT | Areal Flood Advisory | CAE | Barnwell | 3 hr |
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.