Alert archive / South Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 1218
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2004, 2:18 PM EDT for 30 counties in Georgia; 5 counties in North Carolina; 36 counties in South Carolina. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2004, 2:18 PM EDT (18:18 UTC)
- Expired
- Jun 12, 2004, 4:15 PM EDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 71 counties
Banks County, GA, Bulloch County, GA, Burke County, GA, Clarke County, GA, Columbia County, GA, Effingham County, GA, Elbert County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Habersham County, GA, Hancock County, GA, Hart County, GA, Jackson County, GA, Jefferson County, GA, Jenkins County, GA, Lincoln County, GA, Madison County, GA, McDuffie County, GA, Oconee County, GA, Oglethorpe County, GA, Rabun County, GA, Richmond County, GA, Screven County, GA, Stephens County, GA, Taliaferro County, GA, Warren County, GA, Washington County, GA, White County, GA, Wilkes County, GA, Henderson County, NC, Jackson County, NC, Macon County, NC, Polk County, NC, Transylvania County, NC, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Cherokee County, SC, Chester County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Georgetown County, SC, Greenville County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Orangeburg County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC
The radar
The Columbia radar (KCAE), 69 km from the middle of the area, began a volume at 18:19 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 12:00Z, 6.3 hours before the alert went out and 204 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
- 2162 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1084 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 60 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 |
|---|---|---|---|---|
| Jun 11, 8:25 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Bertie, Camden, Chatham, Chowan, Currituck and 20 more | 3 hr |
| Jun 11, 9:56 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Chatham, Chowan, Craven and 26 more | 94 min |
| Jun 12, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | Cherokee, Clay, Graham | 5 hr |
| Jun 12, 4:14 PM EDT | Mesoscale Discussion | SPC | Cherokee, Clay, Graham | 2 hr |
Nearby
Mesoscale Discussions in South Carolina, 2004Mesoscale Discussions in Georgia, 2004Mesoscale Discussions in North 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.