Alert archive / South Carolina / Lake Wind Advisories in 2011
Lake Wind Advisory 30, NWS Columbia, SC
NWS Columbia, SC issued this lake wind advisory at Nov 10, 2011, 5:31 AM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Nov 10, 2011, 4:00 PM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 10, 2011, 5:31 AM EST (10:31 UTC)
- In effect from
- Nov 10, 2011, 4:00 PM EST
- Expired
- Nov 11, 2011, 4:02 AM EST
- In force
- 12 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.5 hours before the alert went out and 294 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1102 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lake wind advisory 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 lake wind advisory went out at Nov 10, 3:44 AM EST, 1 hour 47 minutes earlier.
Area forecast discussion, Nov 10, 3:44 AM EST, 1 hour 47 minutes before
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</html>Hazardous weather outlook, Nov 10, 3:45 AM EST, 1 hour 46 minutes before
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</html>Nearby
Lake Wind Advisories in South Carolina, 2011Lake Wind Advisories in Georgia, 2011Every lake wind advisory in 2011
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.