Alert archive / North Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 2272
The Storm Prediction Center issued this mesoscale discussion at Sep 28, 2004, 12:46 AM EDT for 22 counties in North Carolina; 11 counties in South Carolina. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Sep 28, 2004, 12:46 AM EDT (04:46 UTC)
- Expired
- Sep 28, 2004, 2:15 AM EDT
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 33 counties
Anson County, NC, Bladen County, NC, Brunswick County, NC, Cabarrus County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Davidson County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 104 km from the middle of the area, began a volume at 04:48 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
Charleston AFB, SC (KCHS), launched 00:00Z, 4.8 hours before the alert went out and 169 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
- 2099 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 20.0
The text
As transmitted, in the capitals the NWS used until 2016.
<!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 27, 9:10 PM EDT | Tornado Watch | SPC | Anson, Bladen, Brunswick, Chatham, Columbus, Cumberland and 15 more | 7 hr |
| Sep 28, 2:59 AM EDT | Mesoscale Discussion | SPC | Chatham, Cumberland, Durham, Harnett, Johnston, Lee and 5 more | 2 hr |
| Sep 28, 8:56 AM EDT | Mesoscale Discussion | SPC | Camden, Currituck, Pasquotank, Tyrrell | 2 hr |
| Sep 28, 11:25 AM EDT | Tornado Watch | SPC | Camden, Chowan, Currituck, Gates, Halifax, Hertford and 3 more | 6 hr |
| Sep 28, 1:49 PM EDT | Mesoscale Discussion | SPC | Camden, Chowan, Currituck, Gates, Halifax, Hertford and 3 more | 116 min |
Nearby
Mesoscale Discussions in North Carolina, 2004Mesoscale Discussions in South Carolina, 2004Every mesoscale discussion in 2004
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.