Alert archive / North Carolina / Wind Advisories in 2024

Wind Advisory 17, NWS Greenville-Spartanburg, SC

December 11, 202410 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 11, 2024, 2:44 AM EST for 10 counties in North Carolina. It took effect at Dec 11, 2024, 7:00 AM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 2024, 2:44 AM EST (07:44 UTC)
In effect from
Dec 11, 2024, 7:00 AM EST
Expired
Dec 12, 2024, 1:00 AM EST
In force
18 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Henderson County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 92 km from the middle of the area, began a volume at 07:47 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

Roanoke, VA (KRNK), launched 00:00Z, 7.7 hours before the alert went out and 285 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, Roanoke, VA at 00:00Z on 2024-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Roanoke, VA at 00:00Z on 2024-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
685 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 11, 5:12 AM ESTAreal Flood AdvisoryGSPHenderson20 hr
Dec 11, 5:48 AM ESTSpecial Weather StatementGSPUnion27 min
Dec 11, 8:17 AM ESTSpecial Weather StatementGSPUnion43 min
Dec 10, 8:54 PM ESTAreal Flood AdvisoryGSPAnderson, Greenville3 hr
Dec 11, 4:44 AM ESTAreal Flood AdvisoryGSPSpartanburg15 hr
Dec 11, 5:10 AM ESTSpecial Weather StatementGSPChester35 min
Dec 11, 7:38 AM ESTAreal Flood AdvisoryGSPHabersham5 hr

Nearby

Wind Advisories in North Carolina, 2024Every wind advisory in 2024

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.