Alert archive / Kentucky / Mesoscale Discussions in 2012
Mesoscale Discussion 1403
The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2012, 11:14 AM EDT for 6 states. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2012, 11:14 AM EDT (15:14 UTC)
- Expired
- Jul 5, 2012, 12:45 PM EDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 61 counties
Boyd County, KY, Breathitt County, KY, Carter County, KY, Elliott County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Lawrence County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Morgan County, KY, Perry County, KY, Pike County, KY, Alleghany County, NC, Ashe County, NC, Avery County, NC, Watauga County, NC, Gallia County, OH, Lawrence County, OH, Carter County, TN, Greene County, TN, Hancock County, TN, Hawkins County, TN, Johnson County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Grayson 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, Boone County, WV, Cabell County, WV, Clay County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Putnam County, WV, Raleigh County, WV, Summers County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 15:17 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
Roanoke, VA (KRNK), launched 12:00Z, 3.2 hours before the alert went out and 231 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
- 932 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 66 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 |
|---|---|---|---|---|
| Jul 5, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more | 7 hr |
| Jul 5, 2:57 PM EDT | Mesoscale Discussion | SPC | Bath, Bell, Breathitt, Clay, Elliott, Estill and 21 more | 2 hr |
| Jul 5, 3:19 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Casey, Clinton, Cumberland, Green, Metcalfe and 3 more | 6 hr |
| Jul 5, 1:11 PM EDT | Mesoscale Discussion | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 9 more | 94 min |
| Jul 5, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more | 8 hr |
| Jul 5, 1:40 PM EDT | Mesoscale Discussion | SPC | Anson, Beaufort, Bertie, Bladen, Brunswick, Chowan and 34 more | 95 min |
| Jul 5, 6:41 PM EDT | Mesoscale Discussion | SPC | Bladen, Columbus, Robeson, Scotland | 94 min |
| Jul 4, 9:48 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Champaign, Clark, Clinton and 35 more | 87 min |
| Jul 4, 10:19 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Auglaize, Belmont, Brown, Butler and 46 more | 4 hr |
| Jul 5, 4:12 AM EDT | Mesoscale Discussion | SPC | Cuyahoga, Erie, Huron, Lake, Lorain, Lucas and 2 more | 93 min |
| Jul 5, 6:16 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 21 more | 3 hr |
| Jul 5, 8:00 AM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 18 more | 90 min |
| Jul 5, 3:27 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Defiance, Fulton, Hancock, Hardin and 14 more | 93 min |
| Jul 5, 5:58 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Butler, Champaign, Clark, Clermont and 33 more | 92 min |
| Jul 5, 7:20 PM EDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Coffee, Davidson, Franklin and 13 more | 115 min |
| Jul 4, 8:05 PM EDT | Mesoscale Discussion | SPC | Clarke, Frederick, Loudoun, Rappahannock, Shenandoah, Warren and 1 more | 55 min |
| Jul 5, 3:29 AM EDT | Mesoscale Discussion | SPC | Essex, King George, Lancaster, Northumberland, Richmond, Stafford and 1 more | 91 min |
Nearby
Mesoscale Discussions in Kentucky, 2012Mesoscale Discussions in West Virginia, 2012Mesoscale Discussions in Virginia, 2012Every mesoscale discussion in 2012
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.