Alert archive / Texas / Mesoscale Discussions in 2012

Mesoscale Discussion 1184

June 16, 2012Curry County, Roosevelt County, New Mexico; Harmon County, Oklahoma; 26 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2012, 12:45 AM MDT for Curry County, Roosevelt County, New Mexico; Harmon County, Oklahoma; 26 counties in Texas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued
Jun 16, 2012, 12:45 AM MDT (06:45 UTC)
Expired
Jun 16, 2012, 1:45 AM MDT
In force
60 min
Issued by
the Storm Prediction Center
All 29 counties

Curry County, NM, Roosevelt County, NM, Harmon County, OK, Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Hockley County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Parmer County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 19 km from the middle of the area, began a volume at 06:47 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 00:00Z, 6.8 hours before the alert went out and 159 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, Amarillo Airport, TX at 00:00Z on 2012-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1006 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, Amarillo Airport, TX at 00:00Z on 2012-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1006 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
2140 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
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
Jun 16, 5:24 PM MDTMesoscale DiscussionSPCUnion96 min
Jun 15, 10:25 PM MDTMesoscale DiscussionSPCHarper95 min
Jun 15, 10:44 PM MDTMesoscale DiscussionSPCHarmon91 min
Jun 16, 3:10 AM MDTMesoscale DiscussionSPCGrant65 min
Jun 16, 2:02 PM MDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 20 more88 min
Jun 15, 7:37 PM MDTMesoscale DiscussionSPCBriscoe, Castro, Crosby, Dickens, Floyd, Garza and 10 more23 min
Jun 15, 7:39 PM MDTSevere Thunderstorm WatchSPCBriscoe, Castro, Childress, Cottle, Crosby, Dickens and 14 more5 hr

Nearby

Mesoscale Discussions in Texas, 2012Mesoscale Discussions in New Mexico, 2012Mesoscale Discussions in Oklahoma, 2012Every mesoscale discussion in 2012

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.