Alert archive / Kentucky / Mesoscale Discussions in 2017
Mesoscale Discussion 238
The Storm Prediction Center issued this mesoscale discussion at Mar 1, 2017, 5:28 AM CST for 6 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2017, 5:28 AM CST (11:28 UTC)
- Expired
- Mar 1, 2017, 7:30 AM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 178 counties
Lauderdale County, AL, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Carter County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Greenup County, KY, Hardin County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Hopkins County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike 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, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Gallia County, OH, Lawrence County, OH, Scioto County, OH, Anderson County, TN, Bedford County, TN, Benton County, TN, Bledsoe County, TN, Campbell County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Madison County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Meigs County, TN, Montgomery County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN, Dickenson County, VA, Lee County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Calhoun County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV
The radar
The Nashville radar (KOHX), 114 km from the middle of the area, began a volume at 11:27 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
Nashville Metro, TN (KBNA), launched 00:00Z, 11.5 hours before the alert went out and 126 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
- 66 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 411 m²/s²
- 0-3 km storm-relative helicity
- 386 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 |
|---|---|---|---|---|
| Mar 1, 4:19 AM CST | Mesoscale Discussion | SPC | Lauderdale | 56 min |
| Mar 1, 10:08 AM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Colbert, Cullman, DeKalb and 19 more | 2 hr |
| Mar 1, 11:48 AM CST | Tornado Watch | SPC | Blount, Calhoun, Cherokee, Colbert, Cullman, DeKalb and 20 more | 6 hr |
| Mar 1, 2:11 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cullman, DeKalb, Etowah and 7 more | 2 hr |
| Mar 1, 2:43 PM CST | Mesoscale Discussion | SPC | Autauga, Chambers, Chilton, Clay, Coosa, Elmore and 3 more | 3 hr |
| Mar 1, 3:43 PM CST | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Chambers, Chilton, Clay, Cleburne and 10 more | 4 hr |
| Mar 1, 5:54 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Chambers, Chilton, Choctaw, Clarke and 16 more | 2 hr |
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 15 more | 119 min |
| Feb 28, 8:29 PM CST | Tornado Watch | SPC | Anderson, Ballard, Bourbon, Breckinridge, Bullitt, Butler and 49 more | 12 hr |
| Feb 28, 10:03 PM CST | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Gallatin, Kenton, Pendleton | 117 min |
| Feb 28, 10:29 PM CST | Tornado Watch | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 6 more | 8 hr |
| Mar 1, 1:32 AM CST | Mesoscale Discussion | SPC | Adair, Anderson, Bath, Boone, Bourbon, Boyd and 69 more | 88 min |
| Mar 1, 2:09 AM CST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 6 more | 2 hr |
| Mar 1, 3:03 AM CST | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 5 hr |
| Mar 1, 4:57 AM CST | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Boone, Bourbon and 55 more | 5 hr |
| Mar 1, 5:48 AM CST | Severe Thunderstorm Watch | SPC | Boyd, Carter, Greenup | 5 hr |
| Mar 1, 6:47 AM CST | Severe Thunderstorm Watch | SPC | Bath, Bell, Breathitt, Clay, Elliott, Estill and 28 more | 5 hr |
| Mar 1, 7:28 AM CST | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Carter, Clay, Clinton and 32 more | 92 min |
| Mar 1, 2:56 PM CST | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 8 more | 2 hr |
| Feb 28, 6:00 PM CST | Mesoscale Discussion | SPC | Defiance, Fulton, Hancock, Henry, Lucas, Paulding and 4 more | 90 min |
| Feb 28, 6:37 PM CST | Severe Thunderstorm Watch | SPC | Defiance, Fulton, Henry, Lucas, Ottawa, Paulding and 3 more | 8 hr |
| Feb 28, 8:41 PM CST | Mesoscale Discussion | SPC | Defiance, Fulton, Henry, Lucas, Paulding, Williams and 1 more | 94 min |
| Mar 1, 12:44 AM CST | Mesoscale Discussion | SPC | Allen, Auglaize, Darke, Defiance, Fulton, Hancock and 9 more | 61 min |
| Mar 1, 1:19 AM CST | Mesoscale Discussion | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 22 more | 86 min |
| Mar 1, 2:24 AM CST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 4 hr |
| Mar 1, 8:44 AM CST | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 77 more | 91 min |
| Mar 1, 9:38 AM CST | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amherst, Appomattox, Arlington, Augusta and 65 more | 4 hr |
| Mar 1, 11:25 AM CST | Mesoscale Discussion | SPC | Albemarle, Amherst, Arlington, Augusta, Bedford, Botetourt and 44 more | 65 min |
| Mar 1, 11:50 AM CST | Mesoscale Discussion | SPC | Accomack, Amelia, Brunswick, Charles City, Chesterfield, Dinwiddie and 41 more | 55 min |
| Mar 1, 12:13 PM CST | Severe Thunderstorm Watch | SPC | Accomack, Amelia, Caroline, Charles City, Chesterfield, Cumberland and 29 more | 4 hr |
| Mar 1, 1:50 PM CST | Mesoscale Discussion | SPC | Accomack, Charles City, Chesterfield, Gloucester, Henrico, James City and 16 more | 55 min |
| Mar 1, 2:02 PM CST | Severe Thunderstorm Watch | SPC | Halifax, Pittsylvania, City of Danville | 7 hr |
Nearby
Mesoscale Discussions in Kentucky, 2017Mesoscale Discussions in Tennessee, 2017Mesoscale Discussions in West Virginia, 2017Every mesoscale discussion in 2017
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.