Alert archive / South Carolina / Lake Wind Advisories in 2019

Lake Wind Advisory 4, NWS Columbia, SC

January 23, 201916 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this lake wind advisory at Jan 23, 2019, 10:20 PM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Jan 24, 2019, 2:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 23, 2019, 10:20 PM EST (03:20 UTC)
In effect from
Jan 24, 2019, 2:00 AM EST
Expired
Jan 24, 2019, 4:00 PM EST
In force
14 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2019-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2019-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 605 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
20 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
447 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
605 m²/s²
0-3 km storm-relative helicity
735 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 24, 1:27 AM ESTSpecial Weather StatementCAEAiken, Bamberg, Barnwell, Calhoun, Clarendon, Lee and 4 more48 min
Jan 24, 2:11 AM ESTSpecial Weather StatementCAEBamberg, Calhoun, Chesterfield, Clarendon, Fairfield, Kershaw and 6 more94 min

Nearby

Lake Wind Advisories in South Carolina, 2019Lake Wind Advisories in Georgia, 2019Every lake wind advisory in 2019

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.