Alert archive / North Carolina / Wind Advisories in 2023
Wind Advisory 18, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 17, 2023, 3:49 AM EST for 17 counties in North Carolina. It took effect at Dec 17, 2023, 7:00 PM EST. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Dec 17, 2023, 3:49 AM EST (08:49 UTC)
- In effect from
- Dec 17, 2023, 7:00 PM EST
- Expired
- Dec 18, 2023, 10:16 PM EST
- In force
- 27 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 83 km from the middle of the area, began a volume at 08:49 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, 8.8 hours before the alert went out and 305 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this wind advisory went out at Dec 17, 3:32 AM EST, 17 minutes earlier.
Area forecast discussion, Dec 17, 3:32 AM EST, 17 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 2:24 PM EST | Areal Flood Advisory | GSP | Mecklenburg | 3 hr |
| Dec 17, 2:36 PM EST | High Wind Warning | GSP | Avery, Burke, Caldwell, McDowell, Mitchell, Yancey | 25 hr |
| Dec 17, 2:38 PM EST | Winter Weather Advisory | GSP | Avery, Graham, Haywood, Madison, Mitchell, Swain and 1 more | 37 hr |
| Dec 17, 5:30 PM EST | Areal Flood Advisory | GSP | Mecklenburg | 3 hr |
| Dec 17, 6:13 PM EST | Areal Flood Advisory | GSP | Mecklenburg | 3 hr |
Nearby
Wind Advisories in North Carolina, 2023Every wind advisory in 2023
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.