Alert archive / Alabama / Mesoscale Discussions in 2008
Mesoscale Discussion 2146
The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2008, 2:00 AM CDT for 13 counties in Alabama. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2008, 2:00 AM CDT (07:00 UTC)
- Expired
- Aug 24, 2008, 3:30 AM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
Counties Autauga County, AL, Bibb County, AL, Bullock County, AL, Chilton County, AL, Coosa County, AL, Elmore County, AL, Hale County, AL, Macon County, AL, Montgomery County, AL, Perry County, AL, Shelby County, AL, Tallapoosa County, AL, Tuscaloosa County, AL
The radar
The Birmingham radar (KBMX), 53 km from the middle of the area, began a volume at 07:02 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
Birmingham, AL (KBMX), launched 00:00Z, 7.0 hours before the alert went out and 54 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
- 126 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 475 m²/s²
- 0-3 km storm-relative helicity
- 442 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Aug 23, 7:06 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Crenshaw, Elmore, Henry and 6 more | 84 min |
| Aug 23, 7:40 PM CDT | Tornado Watch | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 13 more | 7 hr |
| Aug 23, 9:13 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Chilton, Coosa, Crenshaw and 9 more | 92 min |
| Aug 24, 2:51 AM CDT | Tornado Watch | SPC | Autauga, Barbour, Bibb, Bullock, Chambers, Chilton and 14 more | 4 hr |
| Aug 24, 10:11 AM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Chambers and 24 more | 2 hr |
| Aug 24, 11:47 AM CDT | Tornado Watch | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Calhoun and 38 more | 8 hr |
| Aug 24, 2:55 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Chambers and 24 more | 95 min |
Nearby
Mesoscale Discussions in Alabama, 2008Every mesoscale discussion in 2008
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.