Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1975

July 23, 20038 counties in New Mexico; 11 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jul 23, 2003, 5:30 PM MDT for 8 counties in New Mexico; 11 counties in Texas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jul 23, 2003, 5:30 PM MDT (23:30 UTC)
Expired: Jul 23, 2003, 8:30 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Chaves County, NM, Curry County, NM, De Baca County, NM, Eddy County, NM, Guadalupe County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Andrews County, TX, Cochran County, TX, Crane County, TX, Ector County, TX, Gaines County, TX, Loving County, TX, Pecos County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.5 hours before the alert went out and 197 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: 688 J/kg
Mixed-layer CIN: -316 J/kg
Mixed-layer LCL: 1460 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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
Jul 23, 2:33 PM MDT	Mesoscale Discussion	SPC	Colfax	117 min
Jul 22, 6:09 PM MDT	Mesoscale Discussion	SPC	Camp, Collin, Dallas, Denton, Eastland, Ellis and 29 more	96 min
Jul 22, 8:32 PM MDT	Mesoscale Discussion	SPC	Camp, Cherokee, Collin, Dallas, Ellis, Gregg and 18 more	58 min
Jul 23, 9:51 AM MDT	Mesoscale Discussion	SPC	Bastrop, Blanco, Burleson, Burnet, Caldwell, Comal and 7 more	114 min
Jul 23, 1:20 PM MDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Comal, Edwards and 14 more	115 min

Nearby

Mesoscale Discussions in Texas, 2003 Mesoscale Discussions in New Mexico, 2003 Every mesoscale discussion in 2003

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.