Alert archive / North Carolina / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 150, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 18, 2024, 8:17 PM EDT for 6 counties in North Carolina. It was in force for 58 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 18, 2024, 8:17 PM EDT (00:17 UTC)
- Expired
- Aug 18, 2024, 9:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Alamance County, NC, Chatham County, NC, Lee County, NC, Moore County, NC, Orange County, NC, Randolph County, NC
The radar
The Raleigh/Durham radar (KRAX), 80 km from the middle of the area, began a volume at 00:21 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 |
|---|---|---|---|
| Aug 18, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 0.3 hours before the alert went out and 249 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
- 1186 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 7.3
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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 18, 7:25 PM EDT, 52 minutes earlier.
Area forecast discussion, Aug 18, 7:25 PM EDT, 52 minutes before
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</html>Hazardous weather outlook, Aug 18, 3:33 PM EDT, 4 hours 44 minutes before
Hazardous Weather Outlook National Weather Service Raleigh NC 333 PM EDT Sun Aug 18 2024 NCZ007>011-021>028-038>043-073>078-083>086-088-089-191945- Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- 333 PM EDT Sun Aug 18 2024 ...SEVERE THUNDERSTORM WATCH 635 IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. There is a risk for severe thunderstorms this afternoon and evening. The main threat is damaging wind. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Isolated strong to severe storms are possible Monday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 18, 7:41 PM EDT, 36 minutes before
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</html>Special weather statement, Aug 18, 7:49 PM EDT, 28 minutes before
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</html>Local storm report, Aug 18, 8:10 PM EDT, 7 minutes before
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</html>Special weather statement, Aug 18, 8:16 PM EDT, 1 minute before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:08 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Lee, Montgomery, Moore, Stanly | 67 min |
| Aug 18, 8:09 PM EDT | Special Weather Statement | RAH | Hoke | 66 min |
| Aug 18, 8:16 PM EDT | Special Weather Statement | RAH | Bladen | 59 min |
| Aug 18, 8:24 PM EDT | Special Weather Statement | RAH | Durham, Granville | 51 min |
| Aug 18, 8:26 PM EDT | Special Weather Statement | RAH | Wayne | 64 min |
| Aug 18, 8:57 PM EDT | Special Weather Statement | RAH | Durham, Harnett, Wake | 48 min |
| Aug 18, 9:31 PM EDT | Special Weather Statement | RAH | Cumberland, Sampson, Wayne | 74 min |
| Aug 18, 9:54 PM EDT | Special Weather Statement | RAH | Durham | 36 min |
| Aug 18, 10:20 PM EDT | Special Weather Statement | RAH | Edgecombe, Nash, Wilson | 40 min |
| Aug 18, 10:50 PM EDT | Special Weather Statement | RAH | Wayne | 25 min |
| Aug 18, 11:09 PM EDT | Special Weather Statement | RAH | Edgecombe, Nash, Wilson | 36 min |
| Aug 19, 2:58 PM EDT | Special Weather Statement | RAH | Guilford | 62 min |
| Aug 19, 3:05 PM EDT | Special Weather Statement | RAH | Forsyth | 55 min |
| Aug 19, 3:49 PM EDT | Special Weather Statement | RAH | Alamance | 56 min |
| Aug 19, 3:51 PM EDT | Special Weather Statement | RAH | Davidson | 54 min |
| Aug 19, 3:53 PM EDT | Special Weather Statement | RAH | Person | 67 min |
| Aug 19, 4:15 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Person | 45 min |
| Aug 19, 4:24 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Guilford, Orange, Randolph | 41 min |
| Aug 19, 4:35 PM EDT | Areal Flood Advisory | RAH | Guilford | 76 min |
| Aug 19, 4:35 PM EDT | Special Weather Statement | RAH | Guilford | 40 min |
| Aug 19, 4:46 PM EDT | Flash Flood Warning | RAH | Guilford | 66 min |
| Aug 19, 4:56 PM EDT | Special Weather Statement | RAH | Granville, Vance | 64 min |
| Aug 19, 5:12 PM EDT | Special Weather Statement | RAH | Chatham | 63 min |
| Aug 19, 5:37 PM EDT | Special Weather Statement | RAH | Franklin | 38 min |
| Aug 19, 5:57 PM EDT | Special Weather Statement | RAH | Halifax | 33 min |
| Aug 19, 6:41 PM EDT | Special Weather Statement | RAH | Wilson | 34 min |
| Aug 19, 7:24 PM EDT | Special Weather Statement | RAH | Wilson | 51 min |
| Aug 19, 7:27 PM EDT | Special Weather Statement | RAH | Edgecombe | 33 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.