Alert archive / Texas / Mesoscale Discussions in 2019
Mesoscale Discussion 261
The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2019, 1:41 AM CDT for 31 counties in Texas. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2019, 1:41 AM CDT (06:41 UTC)
- Expired
- Apr 6, 2019, 3:15 AM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 31 counties
Andrews County, TX, Borden County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Kent County, TX, King County, TX, Knox County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Upton County, TX, Wilbarger County, TX
The radar
The Lubbock radar (KLBB), 108 km from the middle of the area, began a volume at 06:42 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
Midland Regional, TX (KMAF), launched 00:00Z, 6.7 hours before the alert went out and 145 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
- 593 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 2527 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Apr 5, 7:10 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Borden, Briscoe, Castro, Cochran and 42 more | 2 hr |
| Apr 6, 7:58 AM CDT | Mesoscale Discussion | SPC | Archer, Brown, Clay, Coleman, Comanche, Cooke and 11 more | 92 min |
| Apr 6, 9:08 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bandera, Bastrop, Bell and 46 more | 3 hr |
| Apr 6, 10:35 AM CDT | Tornado Watch | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Brazos and 47 more | 7 hr |
| Apr 6, 1:09 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Bosque and 44 more | 96 min |
| Apr 6, 3:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Blanco, Bosque and 44 more | 87 min |
| Apr 6, 4:48 PM CDT | Mesoscale Discussion | SPC | Angelina, Brazos, Burleson, Cherokee, Grimes, Houston and 17 more | 117 min |
| Apr 6, 5:54 PM CDT | Tornado Watch | SPC | Angelina, Brazos, Burleson, Cherokee, Grimes, Houston and 12 more | 4 hr |
Nearby
Mesoscale Discussions in Texas, 2019Every mesoscale discussion in 2019
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.