Alert archive / Texas / Special Weather Statements in 2015

Special Weather Statement, NWS Austin/San Antonio, TX

May 17, 2015Val Verde County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at May 17, 2015, 2:05 AM CDT for Val Verde County, Texas. It was in force for 40 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: May 17, 2015, 2:05 AM CDT (07:05 UTC)
Expired: May 17, 2015, 2:45 AM CDT
In force: 40 min
Issued by: NWS Austin/San Antonio, TX

County Val Verde County, TX

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 7.1 hours before the alert went out and 104 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: 2174 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1328 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 242 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 11.6

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>

What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this special weather statement went out at May 17, 12:26 AM CDT, 1 hour 39 minutes earlier.

Area forecast discussion, May 17, 12:26 AM CDT, 1 hour 39 minutes before

<!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>

Hazardous weather outlook, May 16, 2:33 PM CDT, 11 hours 32 minutes before

<!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>

In the hours before

Special weather statement, May 17, 12:54 AM CDT, 1 hour 11 minutes before

<!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>

Special weather statement, May 17, 1:50 AM CDT, 15 minutes before

<!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>

Special weather statement, May 17, 1:54 AM CDT, 11 minutes before

<!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>

Special weather statement, May 17, 2:05 AM CDT, 0 minutes before

<!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 Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 12:54 AM CDT	Special Weather Statement	EWX	Edwards, Val Verde	36 min
May 17, 1:36 AM CDT	Flash Flood Warning	EWX	Edwards, Kerr, Real, Val Verde	3 hr
May 17, 1:50 AM CDT	Special Weather Statement	EWX	Edwards	40 min
May 17, 1:54 AM CDT	Special Weather Statement	EWX	Val Verde	51 min
May 17, 2:50 AM CDT	Special Weather Statement	EWX	Gillespie, Llano	55 min
May 17, 3:04 AM CDT	Special Weather Statement	EWX	Real	41 min
May 17, 3:54 AM CDT	Flash Flood Warning	EWX	Edwards, Real	3 hr
May 17, 4:05 AM CDT	Special Weather Statement	EWX	Blanco, Burnet	40 min
May 17, 4:19 AM CDT	Flash Flood Warning	EWX	Burnet, Llano	3 hr
May 17, 4:58 AM CDT	Areal Flood Advisory	EWX	Kinney, Uvalde	3 hr
May 17, 5:30 AM CDT	Areal Flood Advisory	EWX	Travis, Williamson	3 hr
May 17, 5:40 AM CDT	Special Weather Statement	EWX	Maverick, Uvalde, Zavala	50 min
May 17, 5:52 AM CDT	Areal Flood Advisory	EWX	Maverick, Zavala	3 hr
May 17, 5:56 AM CDT	Flash Flood Warning	EWX	Bandera, Bexar, Blanco, Burnet, Comal, Hays and 4 more	3 hr
May 17, 6:15 AM CDT	Special Weather Statement	EWX	Kendall	45 min
May 17, 7:00 AM CDT	Areal Flood Advisory	EWX	Bexar, Caldwell, Comal, Guadalupe, Hays	3 hr
May 17, 7:18 AM CDT	Areal Flood Advisory	EWX	Dimmit, Frio, Maverick, Medina, Uvalde, Zavala	3 hr
May 17, 7:32 AM CDT	Areal Flood Advisory	EWX	Bastrop, Fayette, Lee	3 hr
May 17, 8:09 AM CDT	Flash Flood Warning	EWX	Atascosa, Bastrop, Bexar, Caldwell, Comal, Fayette and 7 more	3 hr
May 17, 8:44 AM CDT	Flash Flood Warning	EWX	Blanco, Comal, Hays, Kendall, Travis, Williamson	2 hr
May 17, 9:16 AM CDT	River Flood Warning	EWX	Dimmit	12 days
May 17, 9:55 AM CDT	Areal Flood Advisory	EWX	Atascosa, DeWitt, Fayette, Gonzales, Karnes, Lavaca	3 hr
May 17, 10:15 AM CDT	Special Weather Statement	EWX	DeWitt, Gonzales, Karnes, Lavaca	60 min
May 17, 10:45 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Comal, Hays, Kendall, Travis and 1 more	2 hr
May 17, 11:01 AM CDT	Areal Flood Advisory	EWX	Atascosa, Bastrop, Bexar, Caldwell, Comal, Fayette and 7 more	3 hr
May 17, 11:30 AM CDT	Flash Flood Warning	EWX	Caldwell	2 hr
May 17, 11:45 AM CDT	River Flood Warning	EWX	Caldwell, Gonzales	39 hr
May 17, 11:51 AM CDT	River Flood Warning	EWX	Travis	14 hr
May 17, 1:28 PM CDT	Areal Flood Advisory	EWX	Caldwell	4 hr
May 17, 3:36 PM CDT	River Flood Warning	EWX	Caldwell, Gonzales	24 hr
May 17, 3:42 PM CDT	River Flood Warning	EWX	Gonzales	56 hr

Nearby

Special Weather Statements in Texas, 2015 Every special weather statement 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.