Alert archive / Texas / Mesoscale Discussions in 2013
Mesoscale Discussion 798
The Storm Prediction Center issued this mesoscale discussion at May 25, 2013, 5:11 PM MDT for 9 counties in New Mexico; Cimarron County, Oklahoma; 20 counties in Texas. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- May 25, 2013, 5:11 PM MDT (23:11 UTC)
- Expired
- May 25, 2013, 6:15 PM MDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 30 counties
Chaves County, NM, Curry County, NM, De Baca County, NM, Eddy County, NM, Harding County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Union County, NM, Cimarron County, OK, Andrews County, TX, Bailey County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Gaines County, TX, Hartley County, TX, Hockley County, TX, Lamb County, TX, Loving County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Sherman County, TX, Terry County, TX, Winkler County, TX, Yoakum County, TX
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, 11.2 hours before the alert went out and 290 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
- -534 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 127 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 |
|---|---|---|---|---|
| May 25, 1:57 PM MDT | Mesoscale Discussion | SPC | Chaves, Curry, De Baca, Eddy, Guadalupe, Harding and 4 more | 2 hr |
| May 25, 5:24 PM MDT | Severe Thunderstorm Watch | SPC | Eddy, Lea | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2013Mesoscale Discussions in New Mexico, 2013Mesoscale Discussions in Oklahoma, 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.