Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 274
The Storm Prediction Center issued this mesoscale discussion at Apr 10, 2015, 3:32 AM EDT for 50 counties in Kentucky; 34 counties in Ohio; 14 counties in West Virginia. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Apr 10, 2015, 3:32 AM EDT (07:32 UTC)
- Expired
- Apr 10, 2015, 4:30 AM EDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 98 counties
Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Garrard County, KY, Greenup County, KY, Harlan County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Carroll County, OH, Coshocton County, OH, Fairfield County, OH, Franklin County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Brooke County, WV, Cabell County, WV, Hancock County, WV, Jackson County, WV, Lincoln County, WV, Marshall County, WV, Mason County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Tyler County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 132 km from the middle of the area, began a volume at 07:36 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 00:00Z, 7.5 hours before the alert went out and 130 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
- 849 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1308 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 11.8
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 |
|---|---|---|---|---|
| Apr 9, 9:01 PM EDT | Mesoscale Discussion | SPC | Ballard, Carlisle, McCracken, Union | 89 min |
| Apr 9, 11:56 PM EDT | Mesoscale Discussion | SPC | Ballard, Boone, Breckinridge, Caldwell, Campbell, Carroll and 21 more | 94 min |
| Apr 10, 1:37 AM EDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Boone, Bourbon and 58 more | 5 hr |
| Apr 10, 4:09 AM EDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more | 5 hr |
| Apr 10, 6:16 AM EDT | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Carter, Clay, Elliott and 17 more | 59 min |
| Apr 9, 8:02 PM EDT | Mesoscale Discussion | SPC | Athens, Fairfield, Fayette, Gallia, Hocking, Jackson and 8 more | 118 min |
| Apr 10, 2:54 AM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Williams | 66 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.