Alert archive / Tennessee / Mesoscale Discussions in 2007
Mesoscale Discussion 2142
The Storm Prediction Center issued this mesoscale discussion at Nov 14, 2007, 11:00 AM CST for Mississippi County, Arkansas; 21 counties in Kentucky; 27 counties in Tennessee. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Nov 14, 2007, 11:00 AM CST (17:00 UTC)
- Expired
- Nov 14, 2007, 12:00 PM CST
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 49 counties
Mississippi County, AR, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Muhlenberg County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Benton County, TN, Carroll County, TN, Cheatham County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Weakley County, TN, Williamson County, TN
The radar
The Paducah radar (KPAH), 87 km from the middle of the area, began a volume at 16:59 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 12:00Z, 5.0 hours before the alert went out and 164 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
- 143 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 188 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 |
|---|---|---|---|---|
| Nov 14, 1:56 PM CST | Mesoscale Discussion | SPC | Arkansas, Crittenden, Cross, Desha, Lee, Monroe and 2 more | 64 min |
| Nov 14, 2:34 PM CST | Severe Thunderstorm Watch | SPC | Ashley, Chicot, Crittenden, Cross, Lee, Mississippi and 3 more | 5 hr |
| Nov 14, 2:09 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Boyle, Casey and 23 more | 96 min |
Nearby
Mesoscale Discussions in Tennessee, 2007Mesoscale Discussions in Kentucky, 2007Mesoscale Discussions in Arkansas, 2007Every mesoscale discussion in 2007
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.