Alert archive / North Carolina / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 71, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 16, 2023, 7:31 PM EDT for Avery County, Mitchell County, Yancey County, North Carolina. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 16, 2023, 7:31 PM EDT (23:31 UTC)
- Expired
- May 16, 2023, 8:30 PM EDT
- In force
- 59 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Avery County, NC, Mitchell County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 116 km from the middle of the area, began a volume at 23:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 16, 4:03 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.5 hours before the alert went out and 201 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
- 964 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 4:28 PM EDT | Special Weather Statement | GSP | Burke | 32 min |
| May 16, 4:57 PM EDT | Severe Thunderstorm Warning | GSP | Burke, McDowell, Rutherford | 48 min |
| May 16, 5:02 PM EDT | Special Weather Statement | GSP | Burke | 28 min |
| May 16, 5:32 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba, Cleveland, Lincoln, Rutherford | 43 min |
| May 16, 6:14 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Cleveland, Gaston, Lincoln | 46 min |
| May 16, 6:56 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Lincoln | 34 min |
| May 16, 7:26 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 49 min |
| May 16, 7:50 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Madison, Yancey | 55 min |
| May 16, 7:57 PM EDT | Special Weather Statement | GSP | Swain | 48 min |
| May 16, 4:25 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee | 35 min |
| May 16, 4:40 PM EDT | Special Weather Statement | GSP | Greenville | 35 min |
| May 16, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 46 min |
| May 16, 7:39 PM EDT | Special Weather Statement | GSP | Greenwood | 36 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2023Every severe thunderstorm warning 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.