Alert archive / Tennessee / Mesoscale Discussions in 2016
Mesoscale Discussion 1009
The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2016, 8:27 PM EDT for 13 counties in Kentucky; 16 counties in Tennessee; 12 counties in Virginia. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2016, 8:27 PM EDT (00:27 UTC)
- Expired
- Jun 21, 2016, 9:30 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
All 41 counties
Bell County, KY, Clay County, KY, Harlan County, KY, Jackson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, McCreary County, KY, Owsley County, KY, Perry County, KY, Whitley County, KY, Anderson County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Scott County, TN, Sullivan County, TN, Union County, TN, Washington County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA
The radar
The Jackson,KY radar (KJKL), 101 km from the middle of the area, began a volume at 00:30 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 303 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
- 2260 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
<!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 22, 12:40 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Butler, Christian and 22 more | 2 hr |
| Jun 22, 4:45 PM EDT | Mesoscale Discussion | SPC | Charlotte, Halifax, Lunenburg, Mecklenburg, City of Danville | 90 min |
Nearby
Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Virginia, 2016Every mesoscale discussion in 2016
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.