Alert archive / Texas / Special Weather Statements in 2012

Special Weather Statement, NWS San Angelo, TX

July 15, 2012Brown County, Texas

NWS San Angelo, TX issued this special weather statement at Jul 15, 2012, 3:12 PM CDT for Brown County, Texas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 15, 2012, 3:12 PM CDT (20:12 UTC)
Expired: Jul 15, 2012, 4:00 PM CDT
In force: 48 min
Issued by: NWS San Angelo, TX

County Brown County, TX

The radar

The Dyess AFB radar (KDYX), 92 km from the middle of the area, began a volume at 20:16 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.2 hours before the alert went out and 192 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: 1985 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 823 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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>

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 3:33 PM CDT	Areal Flood Advisory	SJT	Brown	117 min
Jul 15, 4:45 PM CDT	Special Weather Statement	SJT	Concho, McCulloch	60 min
Jul 15, 5:26 PM CDT	Special Weather Statement	SJT	Tom Green	49 min
Jul 15, 5:33 PM CDT	Special Weather Statement	SJT	Tom Green	42 min
Jul 15, 5:41 PM CDT	Blowing Dust Advisory	SJT	Coke, Concho, Irion, Runnels, Schleicher, Sterling and 1 more	2 hr
Jul 15, 5:50 PM CDT	Special Weather Statement	SJT	Menard	55 min
Jul 15, 6:22 PM CDT	Special Weather Statement	SJT	Coke, Irion, Sterling	53 min

Nearby

Special Weather Statements in Texas, 2012 Every special weather statement 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.