Alert archive / North Carolina / Wind Advisories in 2024

Wind Advisory 1, NWS Greenville-Spartanburg, SC

January 5, 2024Haywood County, Madison County, Swain County, North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Jan 5, 2024, 2:20 PM EST for Haywood County, Madison County, Swain County, North Carolina. It took effect at Jan 6, 2024, 12:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 5, 2024, 2:20 PM EST (19:20 UTC)
In effect from
Jan 6, 2024, 12:00 AM EST
Expired
Jan 6, 2024, 9:00 AM EST
In force
9 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Haywood County, NC, Madison County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 67 km from the middle of the area, began a volume at 19:22 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 12:00Z, 7.3 hours before the alert went out and 289 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 12:00Z on 2024-01-05Temperature 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, Greensboro/Hi Pt, NC at 12:00Z on 2024-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.19395878Sfc1 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
1615 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
213 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
Jan 5, 4:33 AM ESTWinter Storm WarningGSPHenderson, Polk, Rutherford, Transylvania29 hr
Jan 5, 4:33 AM ESTWinter Weather AdvisoryGSPAlexander, Avery, Buncombe, Burke, Caldwell, Catawba and 12 more31 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.