Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 988
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2015, 1:44 PM CDT for 23 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2015, 1:44 PM CDT (18:44 UTC)
- Expired
- Jun 12, 2015, 3:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 23 counties
Andrews County, TX, Bailey County, TX, Borden County, TX, Cochran County, TX, Crane County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Hale County, TX, Hockley County, TX, Howard County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Pecos County, TX, Terry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Midland/Odessa radar (KMAF), 71 km from the middle of the area, began a volume at 18:47 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
Midland Regional, TX (KMAF), launched 12:00Z, 6.7 hours before the alert went out and 71 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
- 654 J/kg
- Mixed-layer CIN
- -367 J/kg
- Mixed-layer LCL
- 1245 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Jun 11, 7:10 PM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Sherman | 95 min |
| Jun 11, 9:48 PM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Ochiltree, Sherman | 87 min |
| Jun 11, 11:10 PM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb and 4 more | 65 min |
| Jun 12, 2:47 PM CDT | Tornado Watch | SPC | Andrews, Armstrong, Bailey, Borden, Brewster, Briscoe and 45 more | 7 hr |
| Jun 12, 3:30 PM CDT | Mesoscale Discussion | SPC | Childress, Cottle, Foard, Hardeman, Wilbarger | 2 hr |
| Jun 12, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Foard, Hardeman, Wilbarger | 6 hr |
| Jun 12, 5:39 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Borden, Briscoe, Castro, Cochran and 30 more | 96 min |
| Jun 12, 6:23 PM CDT | Mesoscale Discussion | SPC | Foard, Hardeman, Wichita, Wilbarger | 97 min |
Nearby
Mesoscale Discussions in Texas, 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.