Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 609
The Storm Prediction Center issued this mesoscale discussion at May 11, 2015, 12:53 PM CDT for 65 counties in Kentucky; 18 counties in Ohio; 8 counties in West Virginia. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 11, 2015, 12:53 PM CDT (17:53 UTC)
- Expired
- May 11, 2015, 3:30 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 91 counties
Adair County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Bullitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Greenup County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Warren County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Gallia County, OH, Guernsey County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Cabell County, WV, Jackson County, WV, Lincoln County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 104 km from the middle of the area, began a volume at 17:53 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.9 hours before the alert went out and 105 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
- 1744 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 118 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 11, 11:48 AM CDT | Mesoscale Discussion | SPC | Boone, Campbell, Carroll, Gallatin, Grant, Kenton and 1 more | 2 hr |
| May 11, 12:14 PM CDT | Tornado Watch | SPC | Boone, Campbell, Carroll, Gallatin, Kenton, Trimble | 7 hr |
| May 11, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Anderson, Bath, Bourbon, Boyd, Boyle and 61 more | 8 hr |
| May 11, 3:03 PM CDT | Mesoscale Discussion | SPC | Allen, Barren, Breckinridge, Bullitt, Butler, Edmonson and 14 more | 2 hr |
| May 11, 3:13 PM CDT | Mesoscale Discussion | SPC | Adair, Bath, Bourbon, Boyd, Boyle, Bracken and 41 more | 92 min |
| May 11, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Barren, Breckinridge, Bullitt, Butler, Edmonson and 18 more | 5 hr |
| May 11, 5:23 PM CDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyle, Bracken and 33 more | 97 min |
| May 11, 1:58 PM CDT | Mesoscale Discussion | SPC | Allen, Auglaize, Butler, Champaign, Clark, Crawford and 24 more | 62 min |
| May 11, 3:24 PM CDT | Mesoscale Discussion | SPC | Columbiana, Geauga, Mahoning, Portage, Stark, Summit and 1 more | 2 hr |
| May 11, 3:39 PM CDT | Mesoscale Discussion | SPC | Allen, Auglaize, Butler, Champaign, Clark, Crawford and 35 more | 66 min |
| May 11, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Cuyahoga, Geauga and 12 more | 4 hr |
| May 11, 6:26 PM CDT | Mesoscale Discussion | SPC | Belmont, Columbiana, Harrison, Jefferson, Mahoning, Monroe and 1 more | 64 min |
Nearby
Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Ohio, 2015Mesoscale Discussions in West Virginia, 2015Every mesoscale discussion in 2015
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.