Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 736

May 27, 2014Kenedy County, Willacy County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 27, 2014, 6:27 PM CDT for Kenedy County, Willacy County, Texas. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: May 27, 2014, 6:27 PM CDT (23:27 UTC)
Expired: May 27, 2014, 8:00 PM CDT
In force: 93 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Kenedy County, TX, Willacy County, TX

The radar

The Corpus Christi radar (KCRP), 99 km from the middle of the area, began a volume at 23:31 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.

Tornado Watch 194May 27, 6:40 PM CDT

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.5 hours before the alert went out and 96 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: 1370 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 252 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 8.9

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
May 26, 7:38 PM CDT	Mesoscale Discussion	SPC	Comanche, Eastland, Erath, Hamilton, Jack, Lampasas and 4 more	67 min
May 26, 8:04 PM CDT	Mesoscale Discussion	SPC	Borden, Coke, Crane, Crockett, Dickens, Edwards and 19 more	86 min
May 26, 10:21 PM CDT	Mesoscale Discussion	SPC	Brown, Coleman, Concho, Irion, McCulloch, Reagan and 2 more	54 min
May 26, 11:45 PM CDT	Mesoscale Discussion	SPC	Starr	60 min
May 27, 2:17 AM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 9 more	2 hr
May 27, 9:19 AM CDT	Mesoscale Discussion	SPC	Jasper, Jefferson, Newton, Orange, Sabine	56 min
May 27, 3:03 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Coleman, Collin, Comanche and 30 more	117 min
May 27, 3:13 PM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more	62 min
May 27, 3:18 PM CDT	Severe Thunderstorm Watch	SPC	Bell, Bosque, Brown, Burnet, Callahan, Coleman and 45 more	6 hr
May 27, 3:40 PM CDT	Tornado Watch	SPC	Aransas, Atascosa, Bandera, Bee, Bexar, Blanco and 24 more	6 hr
May 27, 5:30 PM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more	90 min
May 27, 6:00 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Coryell, Ellis, Falls, Hamilton and 8 more	90 min
May 27, 6:40 PM CDT	Tornado Watch	SPC	Brooks, Kenedy, Willacy	2 hr

Nearby

Mesoscale Discussions in Texas, 2014 Every mesoscale discussion in 2014

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.