Alert archive / North Carolina / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 228, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 17, 2024, 5:35 PM EDT for Graham County, Swain County, North Carolina. It was in force for 40 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
- Aug 17, 2024, 5:35 PM EDT (21:35 UTC)
- Expired
- Aug 17, 2024, 6:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Graham County, NC, Swain County, NC
The radar
The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 21:36 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 12:00Z, 9.6 hours before the alert went out and 240 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
- 792 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 17, 1:44 PM EDT, 3 hours 51 minutes earlier.
Area forecast discussion, Aug 17, 1:44 PM EDT, 3 hours 51 minutes before
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Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 1051 AM EDT Sat Aug 17 2024 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ008>014-019-101>109-181500- Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Alexander- Iredell-Davie-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba- Rowan-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania- Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC- Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke- McDowell Mountains-Eastern McDowell-Rutherford Mountains- Greater Rutherford-Polk Mountains-Eastern Polk-Cherokee-York- Anderson-Abbeville-Laurens-Union SC-Chester-Greenwood- Oconee Mountains-Pickens Mountains-Greenville Mountains- Greater Oconee-Greater Pickens-Central Greenville- Southern Greenville-Northern Spartanburg-Southern Spartanburg- 1051 AM EDT Sat Aug 17 2024 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...Today and tonight. Scattered thunderstorms are expected to develop this afternoon and move east across the area into the evening. Some of these storms could become severe with damaging winds the main threat, although some large hail is also possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Scattered thunderstorms are expected to develop Sunday afternoon and move east across the area into the evening. Some of these storms, especially across the Piedmont, could become severe with damaging winds and large hail. .SPOTTER INFORMATION STATEMENT... None.
In the hours before
Special weather statement, Aug 17, 3:34 PM EDT, 2 hours 1 minute 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 |
|---|---|---|---|---|
| Aug 16, 8:07 PM EDT | Special Weather Statement | GSP | Transylvania | 53 min |
| Aug 16, 8:13 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Polk, Rutherford | 62 min |
| Aug 16, 8:23 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Burke, Caldwell, Catawba, Cleveland, Gaston and 1 more | 67 min |
| Aug 16, 9:14 PM EDT | Special Weather Statement | GSP | Cleveland | 46 min |
| Aug 16, 9:23 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Gaston, Iredell, Lincoln, Mecklenburg | 52 min |
| Aug 16, 9:32 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba, Cleveland, Gaston, Lincoln | 29 min |
| Aug 17, 3:34 PM EDT | Special Weather Statement | GSP | Caldwell | 26 min |
| Aug 17, 4:11 PM EDT | Special Weather Statement | GSP | Alexander | 34 min |
| Aug 17, 4:14 PM EDT | Special Weather Statement | GSP | Henderson | 31 min |
| Aug 17, 4:30 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Catawba, Iredell | 45 min |
| Aug 17, 4:49 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk | 41 min |
| Aug 17, 5:15 PM EDT | Special Weather Statement | GSP | Catawba | 30 min |
| Aug 17, 5:30 PM EDT | Severe Thunderstorm Warning | GSP | Polk, Rutherford | 45 min |
| Aug 17, 6:11 PM EDT | Special Weather Statement | GSP | Burke | 34 min |
| Aug 17, 6:22 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Caldwell | 38 min |
| Aug 17, 7:52 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 39 min |
| Aug 16, 8:27 PM EDT | Special Weather Statement | GSP | Greenville | 33 min |
| Aug 16, 9:01 PM EDT | Special Weather Statement | GSP | Greenville, Pickens | 44 min |
| Aug 16, 9:03 PM EDT | Special Weather Statement | GSP | Oconee | 42 min |
| Aug 16, 9:29 PM EDT | Special Weather Statement | GSP | Anderson, Laurens | 46 min |
| Aug 17, 6:04 PM EDT | Special Weather Statement | GSP | Spartanburg | 26 min |
| Aug 17, 6:14 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 46 min |
| Aug 17, 6:59 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 61 min |
| Aug 17, 7:07 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee | 53 min |
| Aug 17, 7:10 PM EDT | Severe Thunderstorm Warning | GSP | Chester, Union | 65 min |
| Aug 17, 7:44 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenwood, Laurens | 61 min |
| Aug 16, 9:40 PM EDT | Special Weather Statement | GSP | Elbert | 50 min |
| Aug 17, 6:30 PM EDT | Special Weather Statement | GSP | Hart | 45 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2024Every severe thunderstorm warning 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.