Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 775

May 8, 2005Harmon County, Jackson County, Tillman County, Oklahoma; 50 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 8, 2005, 1:06 PM CDT for Harmon County, Jackson County, Tillman County, Oklahoma; 50 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 8, 2005, 1:06 PM CDT (18:06 UTC)
Expired
May 8, 2005, 3:00 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 53 counties

Harmon County, OK, Jackson County, OK, Tillman County, OK, Bandera County, TX, Baylor County, TX, Borden County, TX, Brown County, TX, Callahan County, TX, Childress County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Cottle County, TX, Crockett County, TX, Dickens County, TX, Edwards County, TX, Fisher County, TX, Foard County, TX, Frio County, TX, Gillespie County, TX, Glasscock County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, Kerr County, TX, Kimble County, TX, King County, TX, Knox County, TX, Mason County, TX, McCulloch County, TX, Medina County, TX, Menard County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Uvalde County, TX, Val Verde County, TX, Wilbarger County, TX, Zavala County, TX

The radar

The San Angelo radar (KSJT), 72 km from the middle of the area, began a volume at 18:09 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

Midland Regional, TX (KMAF), launched 12:00Z, 6.1 hours before the alert went out and 242 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, Midland Regional, TX at 12:00Z on 2005-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1717 joules per kilogram.LCLLFCEL10008507005003002001001 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, Midland Regional, TX at 12:00Z on 2005-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1717 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

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 7, 8:51 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Dewey, Ellis, Greer, Harmon and 4 more54 min
May 8, 2:05 PM CDTSevere Thunderstorm WatchSPCCaddo, Comanche, Cotton, Grady, Greer, Jackson and 4 more7 hr
May 8, 5:39 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 29 more96 min
May 8, 6:15 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Canadian, Carter, Cleveland, Garfield, Garvin and 17 more5 hr
May 7, 7:10 PM CDTSevere Thunderstorm WatchSPCCoke, Crockett, Fisher, Glasscock, Howard, Irion and 13 more7 hr
May 7, 11:41 PM CDTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Eastland and 13 more94 min
May 8, 1:22 AM CDTMesoscale DiscussionSPCConcho, Edwards, Kerr, Kimble, McCulloch, Mason and 6 more53 min
May 8, 1:50 AM CDTSevere Thunderstorm WatchSPCBandera, Crockett, Edwards, Gillespie, Kerr, Kimble and 11 more7 hr
May 8, 4:59 AM CDTMesoscale DiscussionSPCBandera, Edwards, Gillespie, Hamilton, Kerr, Kimble and 6 more61 min
May 8, 5:45 AM CDTSevere Thunderstorm WatchSPCAnderson, Austin, Bandera, Bastrop, Bell, Bexar and 50 more6 hr
May 8, 7:34 AM CDTMesoscale DiscussionSPCAnderson, Bandera, Bastrop, Blanco, Brazos, Burleson and 19 more56 min
May 8, 8:37 AM CDTMesoscale DiscussionSPCAngelina, Gregg, Harrison, Nacogdoches, Panola, Polk and 6 more53 min
May 8, 11:26 AM CDTMesoscale DiscussionSPCAtascosa, Austin, Bee, Bexar, Brazoria, Caldwell and 25 more64 min
May 8, 11:50 AM CDTTornado WatchSPCAtascosa, Austin, Bandera, Bee, Bexar, Brazoria and 33 more7 hr
May 8, 2:44 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bee, Brazoria, Colorado, DeWitt and 20 more2 hr
May 8, 3:54 PM CDTMesoscale DiscussionSPCChambers, Hardin, Jasper, Jefferson, Liberty, Montgomery and 8 more96 min
May 8, 6:00 PM CDTSevere Thunderstorm WatchSPCAransas, Brooks, Duval, Jim Hogg, Jim Wells, Kenedy and 3 more5 hr
May 8, 6:42 PM CDTMesoscale DiscussionSPCEdwards, Kerr, Kimble, Mason, Real, San Saba93 min

Nearby

Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Oklahoma, 2005Every mesoscale discussion in 2005

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.