Alert archive / Tennessee / Mesoscale Discussions in 2006
Mesoscale Discussion 902
The Storm Prediction Center issued this mesoscale discussion at May 19, 2006, 11:07 PM CDT for 22 counties in Kentucky; 5 counties in North Carolina; 49 counties in Tennessee. It was in force for 23 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2006, 11:07 PM CDT (04:07 UTC)
- Expired
- May 19, 2006, 11:30 PM CDT
- In force
- 23 min
- Issued by
- the Storm Prediction Center
All 76 counties
Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Logan County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Pulaski County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY, Wayne County, KY, Whitley County, KY, Cherokee County, NC, Clay County, NC, Graham County, NC, Macon County, NC, Swain County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Claiborne County, TN, Clay County, TN, Cocke County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Grundy County, TN, Hamblen County, TN, Hamilton County, TN, Jackson County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Macon 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, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 132 km from the middle of the area, began a volume at 04:09 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
Nashville Metro, TN (KBNA), launched 00:00Z, 4.1 hours before the alert went out and 135 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
- 69 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 1304 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 430 m²/s²
- 0-3 km storm-relative helicity
- 877 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 |
|---|---|---|---|---|
| May 19, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Barren, Butler, Casey, Clinton and 15 more | 6 hr |
| May 20, 2:57 AM CDT | Mesoscale Discussion | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 8 more | 63 min |
| May 20, 11:40 AM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Graham, Haywood, Jackson, Macon and 2 more | 2 hr |
| May 20, 12:19 PM CDT | Severe Thunderstorm Watch | SPC | Buncombe, Cabarrus, Cherokee, Clay, Cleveland, Gaston and 12 more | 8 hr |
| May 20, 2:04 PM CDT | Mesoscale Discussion | SPC | Anson, Cabarrus, Cleveland, Gaston, Hoke, Lincoln and 7 more | 86 min |
| May 20, 2:34 PM CDT | Severe Thunderstorm Watch | SPC | Anson, Bladen, Brunswick, Columbus, New Hanover, Pender and 3 more | 7 hr |
| May 20, 3:38 PM CDT | Mesoscale Discussion | SPC | Anson, Brunswick, Buncombe, Cherokee, Clay, Cleveland and 16 more | 97 min |
| May 20, 5:45 PM CDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Buncombe, Cabarrus, Cherokee and 36 more | 90 min |
| May 20, 6:31 PM CDT | Mesoscale Discussion | SPC | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 18 more | 29 min |
| May 20, 6:59 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 24 more | 6 hr |
Nearby
Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in Kentucky, 2006Mesoscale Discussions in North Carolina, 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.