Alert archive / Texas / Mesoscale Discussions in 2015

Mesoscale Discussion 696

May 19, 2015Curry County, Quay County, New Mexico; 22 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 19, 2015, 4:13 AM MDT for Curry County, Quay County, New Mexico; 22 counties in Texas. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
May 19, 2015, 4:13 AM MDT (10:13 UTC)
Expired
May 19, 2015, 5:45 AM MDT
In force
92 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 24 counties

Curry County, NM, Quay County, NM, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Motley County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Swisher County, TX

The radar

The Amarillo radar (KAMA), 76 km from the middle of the area, began a volume at 10:16 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, 10.2 hours before the alert went out and 76 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 2015-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 2015-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.19395878Sfc1 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
45 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
2152 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 18, 8:01 PM MDTMesoscale DiscussionSPCLea89 min
May 18, 11:53 PM MDTMesoscale DiscussionSPCChaves, Curry, De Baca, Guadalupe, Quay, Roosevelt and 1 more97 min
May 18, 7:00 PM MDTMesoscale DiscussionSPCBell, Blanco, Burnet, Concho, Coryell, Crockett and 12 more2 hr
May 19, 1:15 AM MDTMesoscale DiscussionSPCCrockett, Irion, Reagan, Schleicher, Sutton, Tom Green90 min
May 19, 12:02 PM MDTMesoscale DiscussionSPCArcher, Baylor, Clay, Fisher, Foard, Hardeman and 12 more118 min
May 19, 12:32 PM MDTTornado WatchSPCArcher, Baylor, Clay, Cooke, Foard, Hardeman and 4 more7 hr
May 19, 1:30 PM MDTMesoscale DiscussionSPCBell, Bosque, Brown, Callahan, Coleman, Collin and 34 more60 min
May 19, 2:33 PM MDTMesoscale DiscussionSPCArmstrong, Borden, Briscoe, Carson, Castro, Childress and 27 more117 min
May 19, 2:51 PM MDTMesoscale DiscussionSPCArcher, Baylor, Clay, Hardeman, Montague, Wichita and 1 more114 min
May 19, 4:31 PM MDTMesoscale DiscussionSPCArcher, Baylor, Clay, Cooke, Foard, Hardeman and 6 more89 min
May 19, 4:56 PM MDTTornado WatchSPCComanche, Cooke, Denton, Eastland, Erath, Hood and 7 more6 hr

Nearby

Mesoscale Discussions in Texas, 2015Mesoscale Discussions in New Mexico, 2015Every mesoscale discussion in 2015

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.