Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 2320
The Storm Prediction Center issued this mesoscale discussion at Nov 14, 2011, 10:00 PM EST for 37 counties in Kentucky; 6 counties in Ohio. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Nov 14, 2011, 10:00 PM EST (03:00 UTC)
- Expired
- Nov 14, 2011, 11:00 PM EST
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 43 counties
Anderson County, KY, Bath County, KY, Bourbon County, KY, Bracken County, KY, Bullitt County, KY, Campbell County, KY, Clark County, KY, Edmonson County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Grant County, KY, Grayson County, KY, Greenup County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lewis County, KY, Marion County, KY, Mason County, KY, Mercer County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Washington County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Highland County, OH, Pike County, OH, Ross County, OH, Scioto County, OH
The radar
The Louisville radar (KLVX), 108 km from the middle of the area, began a volume at 03:00 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, 3.0 hours before the alert went out and 163 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
- 301 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 906 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 548 m²/s²
- 0-3 km storm-relative helicity
- 582 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 1.9
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, 7:49 PM EST | Severe Thunderstorm Watch | SPC | Boone, Bracken, Breckinridge, Bullitt, Campbell, Carroll and 17 more | 3 hr |
| Nov 14, 8:41 PM EST | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Coshocton, Fairfield, Franklin and 13 more | 2 hr |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Ohio, 2011Every mesoscale discussion in 2011
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.