Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 871

May 14, 200642 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 14, 2006, 6:37 PM CDT for 42 counties in Texas. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
May 14, 2006, 6:37 PM CDT (23:37 UTC)
Expired
May 14, 2006, 8:00 PM CDT
In force
83 min
Issued by
the Storm Prediction Center
All 42 counties

Aransas County, TX, Atascosa County, TX, Bandera County, TX, Bee County, TX, Bexar County, TX, Brooks County, TX, Calhoun County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Duval County, TX, Edwards County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Jackson County, TX, Jim Hogg County, TX, Jim Wells County, TX, Karnes County, TX, Kinney County, TX, Kleberg County, TX, La Salle County, TX, Lavaca County, TX, Live Oak County, TX, Matagorda County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Nueces County, TX, Real County, TX, Refugio County, TX, San Patricio County, TX, Starr County, TX, Uvalde County, TX, Val Verde County, TX, Victoria County, TX, Webb County, TX, Wharton County, TX, Wilson County, TX, Zapata County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 153 km from the middle of the area, began a volume at 23:41 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

Corpus Christi, TX (KCRP), launched 12:00Z, 11.6 hours before the alert went out and 182 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, Corpus Christi, TX at 12:00Z on 2006-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3333 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, Corpus Christi, TX at 12:00Z on 2006-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
3333 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
-2.0

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.

IssuedProductOfficeCountiesLasted
May 13, 9:37 PM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Collin, Cooke, Dallas and 20 more83 min
May 13, 10:14 PM CDTSevere Thunderstorm WatchSPCArcher, Bowie, Camp, Cass, Clay, Collin and 39 more8 hr
May 13, 11:52 PM CDTSevere Thunderstorm WatchSPCShelby6 hr
May 14, 2:27 AM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Cherokee, Collin, Cooke and 33 more93 min
May 14, 5:23 AM CDTMesoscale DiscussionSPCAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 26 more67 min
May 14, 5:52 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Brazos, Camp, Cass, Cherokee and 34 more7 hr
May 14, 9:04 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Austin, Bastrop, Bell, Blanco and 47 more86 min
May 14, 9:25 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Austin, Bastrop, Bell, Bexar and 55 more7 hr
May 14, 11:05 AM CDTMesoscale DiscussionSPCBell, Brazos, Burleson, Burnet, Falls, Freestone and 11 more3 hr
May 14, 12:23 PM CDTMesoscale DiscussionSPCAustin, Bastrop, Bell, Bexar, Blanco, Brazoria and 37 more2 hr
May 14, 3:07 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bandera, Bastrop, Bexar, Blanco and 47 more53 min
May 14, 3:35 PM CDTSevere Thunderstorm WatchSPCAransas, Atascosa, Austin, Bandera, Bastrop, Bee and 55 more7 hr
May 14, 6:58 PM CDTSevere Thunderstorm WatchSPCBrooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 8 more6 hr

Nearby

Mesoscale Discussions in Texas, 2006Every mesoscale discussion in 2006

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.