Alert archive / North Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 2270
The Storm Prediction Center issued this mesoscale discussion at Sep 27, 2004, 6:05 PM EDT for 7 counties in Georgia; 17 counties in North Carolina; 6 counties in South Carolina. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Sep 27, 2004, 6:05 PM EDT (22:05 UTC)
- Expired
- Sep 27, 2004, 8:00 PM EDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 30 counties
Banks County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Madison County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Gaston County, NC, Henderson County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, McDowell County, NC, Polk County, NC, Rutherford County, NC, Transylvania County, NC, Yancey County, NC, Anderson County, SC, Cherokee County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC
The radar
The Greer radar (KGSP), 29 km from the middle of the area, began a volume at 22:05 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, 10.1 hours before the alert went out and 241 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
- 515 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 12:35 AM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 36 more | 8 hr |
| Sep 27, 4:47 AM EDT | Mesoscale Discussion | SPC | Appling, Ben Hill, Bryan, Bulloch, Candler, Chatham and 15 more | 118 min |
| Sep 27, 7:38 AM EDT | Mesoscale Discussion | SPC | Bryan, Chatham, Effingham | 2 hr |
| Sep 27, 10:27 AM EDT | Mesoscale Discussion | SPC | Baldwin, Bryan, Bulloch, Burke, Camden, Candler and 28 more | 2 hr |
| Sep 27, 10:40 AM EDT | Tornado Watch | SPC | Bryan, Bulloch, Burke, Candler, Chatham, Effingham and 12 more | 6 hr |
| Sep 27, 3:24 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Columbus, Cumberland, Duplin and 9 more | 96 min |
| Sep 27, 3:50 PM EDT | Tornado Watch | SPC | Bladen, Brunswick, Columbus, Cumberland, Duplin, Harnett and 13 more | 6 hr |
| Sep 27, 6:31 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Columbus, Cumberland, Duplin, Harnett and 13 more | 119 min |
| Sep 26, 9:53 PM EDT | Mesoscale Discussion | SPC | Beaufort, Berkeley, Charleston, Colleton, Dorchester, Hampton and 1 more | 2 hr |
Nearby
Mesoscale Discussions in North Carolina, 2004Mesoscale Discussions in Georgia, 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.