Alert archive / Texas / Mesoscale Discussions in 2024

Mesoscale Discussion 892

May 22, 202444 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 22, 2024, 12:12 PM CDT for 44 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 22, 2024, 12:12 PM CDT (17:12 UTC)
Expired: May 22, 2024, 2:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch likely
Chance of a watch: 80%

All 44 counties

Bosque County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Grayson County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Irion County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, McCulloch County, TX, McLennan County, TX, Mills County, TX, Navarro County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Runnels County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Tarrant County, TX, Taylor County, TX, Tom Green County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX

The radar

The Dyess AFB radar (KDYX), 54 km from the middle of the area, began a volume at 17:13 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

Fort Worth, TX (KFWD), launched 12:00Z, 5.2 hours before the alert went out and 137 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: 3323 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 714 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 3.1

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 22, 10:02 AM CDT	Severe Thunderstorm Watch	SPC	Bowie, Red River	7 hr
May 22, 12:30 PM CDT	Tornado Watch	SPC	Anderson, Bell, Bosque, Brown, Callahan, Coke and 45 more	8 hr
May 22, 12:39 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Clay, Cooke, Fisher, Haskell, Jack and 10 more	7 hr
May 22, 2:03 PM CDT	Mesoscale Discussion	SPC	Lamar, Red River	87 min
May 22, 3:38 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Coke, Coleman, Collin and 39 more	97 min
May 22, 4:47 PM CDT	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Franklin, Marion, Morris and 2 more	118 min
May 22, 4:57 PM CDT	Severe Thunderstorm Watch	SPC	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	6 hr
May 22, 6:08 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Brazos, Brown, Burleson, Burnet and 22 more	2 hr
May 22, 6:41 PM CDT	Tornado Watch	SPC	Anderson, Bell, Brazos, Burleson, Burnet, Falls and 16 more	3 hr

Nearby

Mesoscale Discussions in Texas, 2024 Every mesoscale discussion in 2024

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.