Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 1032

June 1, 20048 parishes in Louisiana; 56 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2004, 3:41 AM CDT for 8 parishes in Louisiana; 56 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2004, 3:41 AM CDT (08:41 UTC)
Expired
Jun 1, 2004, 5:15 AM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 64 counties

Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Red River Parish, LA, Sabine Parish, LA, Webster Parish, LA, Anderson County, TX, Angelina County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Camp County, TX, Cherokee County, TX, Coryell County, TX, Dallas County, TX, Ellis County, TX, Falls County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Hardin County, TX, Harrison County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Houston County, TX, Kaufman County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Montgomery County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Williamson County, TX, Wood County, TX

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 8.7 hours before the alert went out and 215 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-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2004-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2066 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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.

IssuedProductOfficeCountiesLasted
May 31, 7:09 PM CDTMesoscale DiscussionSPCAcadia, Allen, Assumption, Beauregard, Calcasieu, Cameron and 14 more2 hr
Jun 1, 1:35 AM CDTSevere Thunderstorm WatchSPCBienville, Bossier, Caddo, Claiborne, De Soto, Red River and 2 more5 hr
Jun 1, 6:42 AM CDTMesoscale DiscussionSPCAllen, Avoyelles, Beauregard, Bienville, Bossier, Caddo and 32 more2 hr
Jun 1, 9:26 AM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 22 more64 min
Jun 1, 9:50 AM CDTSevere Thunderstorm WatchSPCAcadia, Ascension, Assumption, Cameron, East Baton Rouge, East Feliciana and 20 more7 hr
Jun 1, 11:07 AM CDTMesoscale DiscussionSPCAcadia, Ascension, Assumption, Cameron, East Baton Rouge, East Feliciana and 18 more83 min
Jun 1, 4:27 PM CDTMesoscale DiscussionSPCAcadia, Ascension, Assumption, Cameron, East Baton Rouge, East Feliciana and 18 more93 min
May 31, 9:45 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Brazos, Cherokee, Ellis, Falls and 19 more4 hr
May 31, 11:15 PM CDTSevere Thunderstorm WatchSPCAustin, Brazoria, Brazos, Chambers, Colorado, Fort Bend and 6 more3 hr
May 31, 11:31 PM CDTMesoscale DiscussionSPCAnderson, Austin, Bell, Brazoria, Brazos, Burleson and 33 more59 min
Jun 1, 2:43 PM CDTMesoscale DiscussionSPCAnderson, Bastrop, Bell, Blanco, Bosque, Brazos and 55 more2 hr
Jun 1, 3:50 PM CDTTornado WatchSPCArcher, Bandera, Baylor, Blanco, Bosque, Brown and 46 more6 hr
Jun 1, 5:04 PM CDTMesoscale DiscussionSPCAnderson, Collin, Dallas, Delta, Denton, Ellis and 22 more86 min
Jun 1, 5:20 PM CDTTornado WatchSPCBell, Collin, Cooke, Dallas, Delta, Denton and 22 more5 hr
Jun 1, 6:59 PM CDTMesoscale DiscussionSPCAngelina, Austin, Bastrop, Brazos, Burleson, Caldwell and 25 more91 min

Nearby

Mesoscale Discussions in Texas, 2004Mesoscale Discussions in Louisiana, 2004Every mesoscale discussion in 2004

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.