Alert archive / Texas / Mesoscale Discussions in 2013
Mesoscale Discussion 213
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2013, 10:25 PM CST for 35 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2013, 10:25 PM CST (04:25 UTC)
- Expired
- Feb 25, 2013, 12:30 AM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 35 counties
Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Hamilton County, TX, Haskell County, TX, Hood County, TX, Jack County, TX, Jones County, TX, Knox County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, San Saba County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 33 km from the middle of the area, began a volume at 04:25 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 00:00Z, 4.4 hours before the alert went out and 264 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3888 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Feb 24, 7:20 PM CST | Mesoscale Discussion | SPC | Armstrong, Carson, Dallam, Deaf Smith, Gray, Hansford and 11 more | 6 hr |
| Feb 24, 7:52 PM CST | Mesoscale Discussion | SPC | Baylor, Childress, Collingsworth, Cottle, Foard, Hall and 4 more | 113 min |
| Feb 24, 10:36 PM CST | Severe Thunderstorm Watch | SPC | Archer, Baylor, Brown, Callahan, Clay, Coke and 27 more | 5 hr |
| Feb 25, 2:01 AM CST | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Clay, Coleman and 19 more | 119 min |
| Feb 25, 3:39 AM CST | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Collingsworth, Deaf Smith and 19 more | 5 hr |
| Feb 25, 9:25 AM CST | Mesoscale Discussion | SPC | Hardin, Harrison, Jasper, Jefferson, Newton, Orange and 5 more | 65 min |
| Feb 25, 10:54 AM CST | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 23 more | 6 hr |
| Feb 25, 12:26 PM CST | Tornado Watch | SPC | Jasper, Newton, Orange, Sabine, San Augustine, Shelby | 10 hr |
Nearby
Mesoscale Discussions in Texas, 2013Every mesoscale discussion in 2013
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.