Alert archive / South Carolina / Lake Wind Advisories in 2018
Lake Wind Advisory 17, NWS Columbia, SC
NWS Columbia, SC issued this lake wind advisory at Oct 11, 2018, 5:23 PM EDT for 16 counties in South Carolina; 5 counties in Georgia. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 11, 2018, 5:23 PM EDT (21:23 UTC)
- Expired
- Oct 11, 2018, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Columbia, SC
All 21 counties
Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 28 km from the middle of the area, began a volume at 21:26 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.4 hours before the alert went out and 286 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
- 546 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.3
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 11:26 PM EDT | Tornado Warning | CAE | Orangeburg | 34 min |
| Oct 10, 11:54 PM EDT | Tornado Warning | CAE | Calhoun, Lexington, Orangeburg, Richland | 21 min |
| Oct 11, 2:06 AM EDT | Areal Flood Advisory | CAE | Calhoun, Lexington, Richland | 114 min |
| Oct 11, 2:12 AM EDT | Areal Flood Advisory | CAE | Calhoun, Orangeburg, Richland | 2 hr |
| Oct 11, 2:37 AM EDT | Tornado Warning | CAE | Newberry | 23 min |
| Oct 11, 4:06 AM EDT | Areal Flood Advisory | CAE | Aiken | 114 min |
| Oct 11, 4:15 AM EDT | Tornado Warning | CAE | Calhoun, Richland | 30 min |
| Oct 11, 5:13 AM EDT | Areal Flood Advisory | CAE | Aiken, Calhoun, Edgefield, Fairfield, Lexington, Newberry and 3 more | 2 hr |
| Oct 11, 6:10 AM EDT | Flash Flood Warning | CAE | Lexington, Richland | 4 hr |
| Oct 11, 7:24 AM EDT | Areal Flood Advisory | CAE | Aiken, Calhoun, Fairfield, Lexington, Newberry, Orangeburg and 3 more | 2 hr |
| Oct 11, 7:29 AM EDT | Areal Flood Advisory | CAE | Fairfield, Kershaw, Lancaster, Lee, Richland, Sumter | 2 hr |
| Oct 11, 8:52 AM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lancaster | 3 hr |
| Oct 11, 10:18 AM EDT | Areal Flood Advisory | CAE | Lexington, Richland | 57 min |
| Oct 11, 12:06 PM EDT | Areal Flood Advisory | CAE | Calhoun, Fairfield, Kershaw, Lexington, Newberry, Richland | 114 min |
| Oct 11, 12:25 PM EDT | River Flood Advisory | CAE | Lexington, Richland | 55 hr |
| Oct 11, 2:08 PM EDT | River Flood Warning | CAE | Calhoun, Lexington, Richland | 5 days |
| Oct 11, 3:53 PM EDT | River Flood Warning | CAE | Calhoun, Richland | 4 days |
| Oct 11, 3:53 PM EDT | River Flood Warning | CAE | Chesterfield, Marlboro | 4 days |
Nearby
Lake Wind Advisories in South Carolina, 2018Lake Wind Advisories in Georgia, 2018Every lake wind advisory 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.