Alert archive / South Carolina / Lake Wind Advisories in 2016

Lake Wind Advisory 19, NWS Columbia, SC

December 29, 201616 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this lake wind advisory at Dec 29, 2016, 2:44 AM EST for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Dec 29, 2016, 11:00 AM EST. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2016, 2:44 AM EST (07:44 UTC)
In effect from
Dec 29, 2016, 11:00 AM EST
Expired
Dec 30, 2016, 4:00 PM EST
In force
29 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 07:46 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, 7.7 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2016-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2016-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
112 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
Dec 29, 6:11 AM ESTSpecial Weather StatementCAEAiken, Chesterfield, Edgefield, Fairfield, Kershaw, Lee and 5 more49 min
Dec 29, 7:44 AM ESTSpecial Weather StatementCAEAiken46 min
Dec 29, 8:30 AM ESTSpecial Weather StatementCAELexington30 min
Dec 29, 9:15 AM ESTSpecial Weather StatementCAECalhoun45 min
Dec 29, 10:46 AM ESTSpecial Weather StatementCAEClarendon44 min
Dec 29, 8:04 AM ESTSpecial Weather StatementCAEColumbia, McDuffie26 min
Dec 29, 8:26 AM ESTSpecial Weather StatementCAEColumbia, Richmond34 min
Dec 29, 8:31 AM ESTSpecial Weather StatementCAEBurke44 min
Dec 29, 9:19 AM ESTSpecial Weather StatementCAEBurke41 min
Dec 29, 10:12 AM ESTSpecial Weather StatementCAEBurke33 min

Nearby

Lake Wind Advisories in South Carolina, 2016Lake Wind Advisories in Georgia, 2016Every lake wind advisory in 2016

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.