Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 60, NWS Amarillo, TX

May 24, 2010Hansford County, Sherman County, Texas; Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at May 24, 2010, 11:49 AM CDT for Hansford County, Sherman County, Texas; Texas County, Oklahoma. It was in force for 56 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: May 24, 2010, 11:49 AM CDT (16:49 UTC)
Expired: May 24, 2010, 12:45 PM CDT
In force: 56 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Texas County, OK, Hansford County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 134 km from the middle of the area, began a volume at 16:52 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
May 24, 11:46 AM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 4.8 hours before the alert went out and 134 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: 2157 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 12.2

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 May 24, 6:59 AM CDT, 4 hours 50 minutes earlier.

Area forecast discussion, May 24, 6:59 AM CDT, 4 hours 50 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 24, 10:50 AM CDT, 59 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

Local storm report, May 24, 9:24 AM CDT, 2 hours 25 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, May 24, 9:58 AM CDT, 1 hour 51 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 24, 11:02 AM CDT, 47 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 24, 11:25 AM CDT, 24 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
May 23, 7:24 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	51 min
May 23, 8:10 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	65 min
May 23, 8:23 PM CDT	Tornado Warning	AMA	Dallam	22 min
May 23, 9:17 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	58 min
May 23, 9:22 PM CDT	Tornado Warning	AMA	Dallam	38 min
May 23, 9:48 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	31 min
May 23, 9:54 PM CDT	Tornado Warning	AMA	Dallam	36 min
May 23, 10:30 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	36 min
May 24, 12:42 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree, Sherman	63 min
May 24, 1:40 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	65 min
May 24, 3:29 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Hutchinson, Roberts	61 min
May 24, 3:46 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hansford, Hutchinson, Ochiltree, Roberts	59 min
May 24, 4:15 PM CDT	Tornado Warning	AMA	Carson, Gray, Hutchinson, Roberts	30 min
May 24, 4:39 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	66 min
May 24, 4:43 PM CDT	Tornado Warning	AMA	Gray, Roberts	47 min
May 24, 4:52 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	53 min
May 24, 5:07 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	53 min
May 24, 5:17 PM CDT	Tornado Warning	AMA	Gray, Hemphill, Roberts, Wheeler	43 min
May 24, 5:20 PM CDT	Areal Flood Advisory	AMA	Gray, Roberts	116 min
May 24, 5:23 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	67 min
May 24, 5:43 PM CDT	Areal Flood Advisory	AMA	Gray, Hemphill, Roberts	4 hr
May 24, 6:16 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Wheeler	59 min
May 24, 6:32 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	58 min
May 23, 8:44 PM CDT	Tornado Warning	AMA	Cimarron	31 min
May 23, 9:10 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	65 min
May 23, 9:56 PM CDT	Tornado Warning	AMA	Cimarron	36 min
May 23, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	60 min
May 24, 2:41 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	49 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010 Severe Thunderstorm Warnings in Oklahoma, 2010 Every severe thunderstorm warning in 2010

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.