Alert archive / Georgia / Mesoscale Discussions in 2014
Mesoscale Discussion 842
The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2014, 5:10 PM CDT for 11 counties in Alabama; 23 counties in Georgia. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Jun 5, 2014, 5:10 PM CDT (22:10 UTC)
- Expired
- Jun 5, 2014, 6:45 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 34 counties
Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, DeKalb County, AL, Etowah County, AL, Jackson County, AL, Marshall County, AL, Randolph County, AL, Bartow County, GA, Carroll County, GA, Chattooga County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Fulton County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Lamar County, GA, Meriwether County, GA, Paulding County, GA, Pike County, GA, Polk County, GA, Spalding County, GA, Talbot County, GA, Troup County, GA, Upson County, GA
The radar
The Atlanta radar (KFFC), 106 km from the middle of the area, began a volume at 22:13 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 111 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
- 884 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.4
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 4, 11:53 PM CDT | Mesoscale Discussion | SPC | Limestone | 97 min |
| Jun 5, 2:14 AM CDT | Mesoscale Discussion | SPC | DeKalb, Jackson, Lauderdale, Limestone, Madison | 91 min |
| Jun 5, 1:22 PM CDT | Mesoscale Discussion | SPC | Marion | 53 min |
| Jun 5, 2:27 PM CDT | Severe Thunderstorm Watch | SPC | Blount, Calhoun, Cherokee, Clay, Cleburne, Colbert and 19 more | 6 hr |
| Jun 5, 6:44 PM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Banks, Barrow, Bibb, Bleckley, Butts and 54 more | 3 hr |
Nearby
Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in Alabama, 2014Every mesoscale discussion in 2014
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.