Alert archive / Tennessee / Mesoscale Discussions in 2015
Mesoscale Discussion 1285
The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2015, 5:50 PM CDT for 4 states. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2015, 5:50 PM CDT (22:50 UTC)
- Expired
- Jul 2, 2015, 7:45 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 96 counties
Clay County, AR, Craighead County, AR, Greene County, AR, Mississippi County, AR, Allen County, KY, Barren County, KY, Calloway County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Logan County, KY, Metcalfe County, KY, Monroe County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Wayne County, KY, Dunklin County, MO, New Madrid County, MO, Pemiscot County, MO, Bedford County, TN, Benton County, TN, Bledsoe County, TN, Bradley County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Crockett County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Fentress County, TN, Franklin County, TN, Gibson County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lake County, TN, Lauderdale 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, McMinn County, TN, McNairy County, TN, Meigs County, TN, Montgomery County, TN, Moore County, TN, Morgan County, TN, Obion 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, Shelby County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, Weakley County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Ft Campbell radar (KHPX), 79 km from the middle of the area, began a volume at 22:49 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
Nashville Metro, TN (KBNA), launched 12:00Z, 10.8 hours before the alert went out and 87 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
- 9 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -135 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 2, 11:59 AM CDT | Mesoscale Discussion | SPC | Mississippi | 2 hr |
| Jul 2, 2:37 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 18 more | 2 hr |
| Jul 2, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 6 hr |
| Jul 2, 6:04 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Fulton, Independence, Izard, Marion and 4 more | 56 min |
| Jul 2, 6:46 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Sebastian, Washington | 89 min |
| Jul 1, 7:52 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Camden, Cass, Cedar and 13 more | 83 min |
| Jul 1, 8:16 PM CDT | Mesoscale Discussion | SPC | Bollinger, Callaway, Cape Girardeau, Cole, Crawford, Dent and 21 more | 119 min |
| Jul 1, 11:06 PM CDT | Mesoscale Discussion | SPC | Barton, Cedar, Christian, Dade, Dallas, Dent and 9 more | 54 min |
| Jul 2, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Cedar, Christian, Dade, Dallas and 21 more | 4 hr |
Nearby
Mesoscale Discussions in Tennessee, 2015Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Arkansas, 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.