Alert archive / South Carolina / Flash Flood Warnings in 2018
Flash Flood Warning 3, NWS Columbia, SC
NWS Columbia, SC issued this flash flood warning at Jun 11, 2018, 9:05 PM EDT for Lexington County, Richland County, South Carolina. It was in force for 85 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, 9:05 PM EDT (01:05 UTC)
- Expired
- Jun 11, 2018, 10:30 PM EDT
- In force
- 85 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lexington County, SC, Richland County, SC
The radar
The Columbia radar (KCAE), 3 km from the middle of the area, began a volume at 01:04 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, 1.1 hours before the alert went out and 323 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 flash flood 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 flash flood warning went out at Jun 11, 7:37 PM EDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jun 11, 7:37 PM EDT, 1 hour 28 minutes before
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</html>Hazardous weather outlook, Jun 11, 9:39 AM EDT, 11 hours 26 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 30 minutes before
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</html>Local storm report, Jun 11, 6:47 PM EDT, 2 hours 18 minutes before
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</html>Local storm report, Jun 11, 6:49 PM EDT, 2 hours 16 minutes before
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</html>Local storm report, Jun 11, 7:02 PM EDT, 2 hours 3 minutes before
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</html>Special weather statement, Jun 11, 7:28 PM EDT, 1 hour 37 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, 9:13 PM EDT | Severe Thunderstorm Warning | CAE | Lexington | 47 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
Flash Flood Warnings in South Carolina, 2018Every flash flood 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.