Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 2435

November 23, 2004Union County, New Mexico; Cimarron County, Texas County, Oklahoma; 9 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Nov 23, 2004, 11:15 AM MST for Union County, New Mexico; Cimarron County, Texas County, Oklahoma; 9 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 23, 2004, 11:15 AM MST (18:15 UTC)
Expired: Nov 23, 2004, 4:15 PM MST
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Union County, NM, Cimarron County, OK, Texas County, OK, Carson County, TX, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 114 km from the middle of the area, began a volume at 18:17 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.3 hours before the alert went out and 115 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1028 m above ground
0-6 km bulk shear: 98 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 75 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
Nov 23, 6:40 AM MST	Mesoscale Discussion	SPC	Colfax, Harding, Los Alamos, Mora, San Miguel, Santa Fe and 1 more	6 hr
Nov 23, 8:15 AM MST	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Coal, Haskell, Hughes and 11 more	3 hr
Nov 22, 5:03 PM MST	Mesoscale Discussion	SPC	Austin, Brazoria, Chambers, Colorado, Fort Bend, Hardin and 16 more	2 hr
Nov 22, 9:30 PM MST	Mesoscale Discussion	SPC	Borden, Coke, Crockett, Dawson, Fisher, Garza and 21 more	2 hr
Nov 22, 10:00 PM MST	Tornado Watch	SPC	Andrews, Borden, Coke, Crane, Crockett, Dawson and 22 more	6 hr
Nov 23, 1:58 AM MST	Mesoscale Discussion	SPC	Borden, Coke, Crockett, Fisher, Glasscock, Howard and 11 more	92 min
Nov 23, 3:10 AM MST	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Comanche, Concho and 19 more	5 hr
Nov 23, 6:06 AM MST	Mesoscale Discussion	SPC	Anderson, Angelina, Austin, Bastrop, Bell, Blanco and 46 more	84 min
Nov 23, 6:19 AM MST	Mesoscale Discussion	SPC	Brown, Callahan, Coleman, Comanche, Concho, Denton and 13 more	86 min
Nov 23, 7:45 AM MST	Tornado Watch	SPC	Anderson, Austin, Bastrop, Bell, Blanco, Brazos and 47 more	6 hr
Nov 23, 8:45 AM MST	Tornado Watch	SPC	Angelina, Austin, Brazoria, Calhoun, Chambers, Colorado and 25 more	5 hr
Nov 23, 9:37 AM MST	Mesoscale Discussion	SPC	Anderson, Austin, Bastrop, Bell, Blanco, Brazos and 47 more	113 min
Nov 23, 10:38 AM MST	Mesoscale Discussion	SPC	Angelina, Austin, Brazoria, Calhoun, Chambers, Colorado and 25 more	2 hr
Nov 23, 11:16 AM MST	Mesoscale Discussion	SPC	Bosque, Brown, Coke, Coleman, Concho, Coryell and 22 more	2 hr
Nov 23, 11:48 AM MST	Mesoscale Discussion	SPC	Anderson, Bastrop, Bell, Blanco, Brazoria, Brazos and 58 more	117 min
Nov 23, 1:00 PM MST	Tornado Watch	SPC	Anderson, Angelina, Austin, Bowie, Brazoria, Brazos and 42 more	7 hr
Nov 23, 1:14 PM MST	Mesoscale Discussion	SPC	Briscoe, Childress, Cottle, Crosby, Dickens, Fisher and 20 more	3 hr
Nov 23, 2:15 PM MST	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bexar, Blanco, Bosque, Brown and 40 more	5 hr
Nov 23, 2:21 PM MST	Mesoscale Discussion	SPC	Anderson, Angelina, Austin, Bowie, Brazoria, Brazos and 42 more	114 min
Nov 23, 4:30 PM MST	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 64 more	6 hr

Nearby

Mesoscale Discussions in Texas, 2004 Mesoscale Discussions in Oklahoma, 2004 Mesoscale Discussions in New Mexico, 2004 Every 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; radar from the NEXRAD Level II archive.