Alert archive / North Carolina / Mesoscale Discussions in 2024
Mesoscale Discussion 2124
The Storm Prediction Center issued this mesoscale discussion at Sep 27, 2024, 9:48 AM EDT for 40 counties in North Carolina; 14 counties in Virginia. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Sep 27, 2024, 9:48 AM EDT (13:48 UTC)
- Expired
- Sep 27, 2024, 11:45 AM EDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 688
All 54 counties
Alamance County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Caswell County, NC, Chatham County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pender County, NC, Person County, NC, Pitt County, NC, Rockingham County, NC, Sampson County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Appomattox County, VA, Brunswick County, VA, Campbell County, VA, Charlotte County, VA, City of Danville, VA, City of Emporia, VA, City of Lynchburg, VA, Greensville County, VA, Halifax County, VA, Lunenburg County, VA, Mecklenburg County, VA, Nottoway County, VA, Pittsylvania County, VA, Prince Edward County, VA
The radar
The Raleigh/Durham radar (KRAX), 26 km from the middle of the area, began a volume at 13:49 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 1.8 hours before the alert went out and 123 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
- 117 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 433 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:56 PM EDT | Tornado Watch | SPC | Anson, Bladen, Brunswick, Cabarrus, Columbus, Cumberland and 10 more | 11 hr |
| Sep 27, 12:46 AM EDT | Mesoscale Discussion | SPC | Columbus, Robeson | 119 min |
| Sep 27, 5:17 AM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Columbus, Hoke, Richmond, Robeson and 2 more | 118 min |
| Sep 27, 8:02 AM EDT | Tornado Watch | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 65 more | 12 hr |
| Sep 27, 12:33 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 26 more | 117 min |
| Sep 27, 3:28 PM EDT | Mesoscale Discussion | SPC | Bertie, Camden, Caswell, Chowan, Currituck, Gates and 6 more | 2 hr |
| Sep 27, 5:59 PM EDT | Mesoscale Discussion | SPC | Camden, Chowan, Gates, Hertford, Pasquotank, Perquimans | 91 min |
Nearby
Mesoscale Discussions in North Carolina, 2024Mesoscale Discussions in Virginia, 2024Every mesoscale discussion 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.