Alert archive / Tennessee / Mesoscale Discussions in 2006
Mesoscale Discussion 217
The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2006, 7:22 PM CST for 4 states. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2006, 7:22 PM CST (01:22 UTC)
- Expired
- Mar 9, 2006, 8:15 PM CST
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 80 counties
Autauga County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Lee County, AL, Lowndes County, AL, Randolph County, AL, Talladega County, AL, Tallapoosa County, AL, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, Douglas County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Heard County, GA, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, Whitfield County, GA, Cherokee County, NC, Clay County, NC, Graham County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cumberland County, TN, Fentress County, TN, Grainger County, TN, Grundy County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN
The radar
The Northeast Alabama radar (KHTX), 108 km from the middle of the area, began a volume at 01:23 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
Nashville Metro, TN (KBNA), launched 00:00Z, 1.4 hours before the alert went out and 249 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
- 1265 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 559 m²/s²
- 0-3 km storm-relative helicity
- 972 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 |
|---|---|---|---|---|
| Mar 9, 6:09 PM CST | Severe Thunderstorm Watch | SPC | Calhoun, Chambers, Cherokee, Clay, Cleburne, Coosa and 3 more | 4 hr |
| Mar 10, 3:30 AM CST | Mesoscale Discussion | SPC | Barbour, Bullock, Coffee, Covington, Dale, Geneva and 4 more | 90 min |
| Mar 10, 1:37 PM CST | Mesoscale Discussion | SPC | Baldwin, Barbour, Coffee, Conecuh, Covington, Crenshaw and 9 more | 113 min |
| Mar 9, 6:54 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Crockett, Davidson, Dickson and 16 more | 2 hr |
| Mar 9, 7:38 PM CST | Severe Thunderstorm Watch | SPC | Benton, Cheatham, Davidson, Dickson, Hickman, Houston and 6 more | 4 hr |
Nearby
Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in Georgia, 2006Mesoscale Discussions in Alabama, 2006Every mesoscale discussion in 2006
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.