Alert archive / Texas / Mesoscale Discussions in 2025

Mesoscale Discussion 993

May 26, 20256 counties in New Mexico; 14 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 26, 2025, 2:37 PM MDT for 6 counties in New Mexico; 14 counties in Texas. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: May 26, 2025, 2:37 PM MDT (20:37 UTC)
Expired: May 26, 2025, 4:30 PM MDT
In force: 113 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

Counties Curry County, NM, De Baca County, NM, Guadalupe County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Bailey County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Cannon AFB radar (KFDX), 41 km from the middle of the area, began a volume at 20:40 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.

Severe Thunderstorm Watch 333May 26, 4:10 PM MDT

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.6 hours before the alert went out and 182 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 89 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

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
May 26, 4:10 PM MDT	Severe Thunderstorm Watch	SPC	Chaves, Curry, De Baca, Guadalupe, Harding, Lincoln and 3 more	7 hr
May 25, 6:05 PM MDT	Mesoscale Discussion	SPC	Borden, Fisher, Haskell, Howard, Jones, Kent and 8 more	55 min
May 25, 6:41 PM MDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more	5 hr
May 25, 7:32 PM MDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Carson, Castro, Dallam, Deaf Smith and 13 more	118 min
May 25, 8:25 PM MDT	Mesoscale Discussion	SPC	Clay, Collin, Comanche, Cooke, Dallas, Denton and 18 more	2 hr
May 25, 9:01 PM MDT	Severe Thunderstorm Watch	SPC	Bosque, Collin, Comanche, Cooke, Dallas, Delta and 28 more	7 hr
May 25, 11:42 PM MDT	Mesoscale Discussion	SPC	Collin, Cooke, Dallas, Denton, Ellis, Fannin and 10 more	93 min
May 26, 1:42 AM MDT	Mesoscale Discussion	SPC	Anderson, Bosque, Cherokee, Collin, Dallas, Denton and 22 more	93 min
May 26, 12:40 PM MDT	Mesoscale Discussion	SPC	Bosque, Comanche, Dallas, Eastland, Ellis, Erath and 13 more	65 min
May 26, 1:03 PM MDT	Mesoscale Discussion	SPC	Bandera, Bexar, Blanco, Coke, Comal, Concho and 28 more	87 min
May 26, 1:34 PM MDT	Tornado Watch	SPC	Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 36 more	10 hr
May 26, 1:45 PM MDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Donley, Gray, Hall, Hemphill and 1 more	90 min
May 26, 3:00 PM MDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Burnet, Coke and 29 more	60 min
May 26, 4:32 PM MDT	Mesoscale Discussion	SPC	Bandera, Blanco, Burnet, Comal, Edwards, Gillespie and 8 more	118 min

Nearby

Mesoscale Discussions in Texas, 2025 Mesoscale Discussions in New Mexico, 2025 Every mesoscale discussion in 2025

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.