Alert archive / South Carolina / Lake Wind Advisories in 2010

Lake Wind Advisory 2, NWS Columbia, SC

January 24, 201016 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this lake wind advisory at Jan 24, 2010, 4:01 AM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Jan 24, 2010, 1:00 PM EST. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: Jan 24, 2010, 4:01 AM EST (09:01 UTC)
In effect from: Jan 24, 2010, 1:00 PM EST
Expired: Jan 26, 2010, 7:00 PM EST
In force: 54 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 09:06 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 00:00Z, 9.0 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1700 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jan 24, 12:46 AM EST, 3 hours 15 minutes earlier.

Area forecast discussion, Jan 24, 12:46 AM EST, 3 hours 15 minutes before

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Nearby

Lake Wind Advisories in South Carolina, 2010 Lake Wind Advisories in Georgia, 2010 Every lake wind advisory in 2010

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.