Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 60, NWS Amarillo, TX

June 4, 2013Armstrong County, Donley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 4, 2013, 2:35 AM CDT for Armstrong County, Donley County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 4, 2013, 2:35 AM CDT (07:35 UTC)
Expired: Jun 4, 2013, 3:30 AM CDT
In force: 55 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Armstrong County, TX, Donley County, TX

The radar

The Amarillo radar (KAMA), 64 km from the middle of the area, began a volume at 07:35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 3, 10:41 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 7.6 hours before the alert went out and 63 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: 379 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 3413 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 12:22 AM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Jun 4, 12:22 AM CDT, 2 hours 13 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, Jun 3, 3:40 PM CDT, 10 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
340 PM CDT MON JUN 3 2013

OKZ001>003-TXZ001>020-041100-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
340 PM CDT MON JUN 3 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...TONIGHT.

SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE CENTRAL AND EASTERN
OKLAHOMA AND THE EASTERN TEXAS PANHANDLE UNTIL 11 PM CDT. ISOLATED TO
SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF THE TEXAS AND
OKLAHOMA PANHANDLES THIS EVENING AND TONIGHT WITH THE STRONGEST
STORMS EXPECTED TO BE ALONG AND EAST OF A GUYMON TO CLARENDON LINE.
LARGE HAIL AND DAMAGING WIND GUSTS WILL BE THE PRIMARY THREATS WITH
THESE STORMS.

ELEVATED FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS THE WESTERN
HALF OF THE PANHANDLES UNTIL 10 PM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE TUESDAY THROUGH
SATURDAY NIGHT ACROSS THE TEXAS AND OKLAHOMA PANHANDLES. ONCE AGAIN
THE PRIMARY THREAT WITH THESE STORMS WILL BE LARGE HAIL AND DAMAGING
WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS EVENING AND
TONIGHT. STORM SPOTTERS SHOULD CONTINUE TO MONITOR THE FORECAST ON A
DAILY BASIS TUESDAY THROUGH SATURDAY...AS SPOTTER ACTIVATION MAY BE
NEEDED ON ONE OR MORE OF THESE DAYS.

AREA FIRE MANAGERS AND EMERGENCY OFFICIALS SHOULD BE ALERT FOR
ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS
EVENING.

CLK

In the hours before

Special weather statement, Jun 4, 12:53 AM CDT, 1 hour 42 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>

Local storm report, Jun 4, 12:56 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>

Special weather statement, Jun 4, 1:16 AM CDT, 1 hour 19 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, Jun 4, 1:37 AM CDT, 58 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, Jun 4, 1:54 AM CDT, 41 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, Jun 4, 2:05 AM CDT, 30 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 Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 7:28 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	62 min
Jun 3, 8:24 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	66 min
Jun 3, 9:16 PM CDT	Special Weather Statement	AMA	Dallam	59 min
Jun 3, 9:21 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	24 min
Jun 3, 9:43 PM CDT	Special Weather Statement	AMA	Deaf Smith, Oldham	47 min
Jun 3, 9:47 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	43 min
Jun 3, 10:25 PM CDT	Special Weather Statement	AMA	Deaf Smith, Oldham, Potter, Randall	50 min
Jun 3, 10:42 PM CDT	Special Weather Statement	AMA	Oldham	33 min
Jun 3, 10:59 PM CDT	Special Weather Statement	AMA	Roberts, Wheeler	31 min
Jun 3, 11:14 PM CDT	Special Weather Statement	AMA	Carson, Potter, Randall	31 min
Jun 3, 11:25 PM CDT	Special Weather Statement	AMA	Lipscomb, Ochiltree	35 min
Jun 3, 11:58 PM CDT	Special Weather Statement	AMA	Lipscomb, Ochiltree	47 min
Jun 4, 12:25 AM CDT	Special Weather Statement	AMA	Roberts	50 min
Jun 4, 12:44 AM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	61 min
Jun 4, 12:53 AM CDT	Special Weather Statement	AMA	Deaf Smith	52 min
Jun 4, 1:16 AM CDT	Special Weather Statement	AMA	Armstrong	44 min
Jun 4, 1:37 AM CDT	Special Weather Statement	AMA	Randall	38 min
Jun 4, 1:54 AM CDT	Special Weather Statement	AMA	Collingsworth, Donley, Wheeler	66 min
Jun 4, 2:05 AM CDT	Special Weather Statement	AMA	Armstrong, Randall	40 min
Jun 4, 3:26 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	64 min
Jun 4, 4:49 AM CDT	Special Weather Statement	AMA	Collingsworth	26 min
Jun 3, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	59 min
Jun 3, 7:34 PM CDT	Special Weather Statement	AMA	Texas	26 min
Jun 3, 9:39 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	36 min
Jun 4, 6:55 PM CDT	Special Weather Statement	AMA	Cimarron	35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.