Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 121, NWS Amarillo, TX

June 1, 2023Deaf Smith County, Oldham County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 1, 2023, 2:09 PM CDT for Deaf Smith County, Oldham County, Texas. It was in force for 46 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 1, 2023, 2:09 PM CDT (19:09 UTC)
Expired: Jun 1, 2023, 2:55 PM CDT
In force: 46 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Deaf Smith County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 19:12 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

Midland Regional, TX (KMAF), launched 12:00Z, 7.2 hours before the alert went out and 362 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: 633 J/kg
Mixed-layer CIN: -268 J/kg
Mixed-layer LCL: 1018 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 395 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 1, 1:50 PM CDT, 19 minutes earlier.

Area forecast discussion, Jun 1, 1:50 PM CDT, 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>

Hazardous weather outlook, Jun 1, 3:35 AM CDT, 10 hours 34 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 31, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	45 min
May 31, 7:20 PM CDT	Special Weather Statement	AMA	Hutchinson	25 min
May 31, 8:02 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	43 min
May 31, 8:32 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Hutchinson, Moore, Potter, Randall	73 min
May 31, 8:34 PM CDT	Flash Flood Warning	AMA	Potter, Randall	3 hr
May 31, 8:45 PM CDT	Special Weather Statement	AMA	Wheeler	30 min
May 31, 8:54 PM CDT	Flash Flood Warning	AMA	Potter	3 hr
May 31, 9:08 PM CDT	River Flood Advisory	AMA	Hansford	3 days
May 31, 9:38 PM CDT	Special Weather Statement	AMA	Hemphill	37 min
May 31, 9:46 PM CDT	Flash Flood Warning	AMA	Randall	9 hr
May 31, 11:33 PM CDT	Areal Flood Advisory	AMA	Ochiltree, Roberts	3 hr
May 31, 11:34 PM CDT	Special Weather Statement	AMA	Lipscomb	26 min
May 31, 11:44 PM CDT	Areal Flood Warning	AMA	Potter, Randall	12 hr
Jun 1, 6:38 AM CDT	River Flood Advisory	AMA	Armstrong	28 hr
Jun 1, 9:08 AM CDT	River Flood Advisory	AMA	Wheeler	3 days
Jun 1, 4:02 PM CDT	Areal Flood Advisory	AMA	Deaf Smith	3 hr
Jun 1, 4:11 PM CDT	Special Weather Statement	AMA	Deaf Smith	49 min
Jun 1, 4:14 PM CDT	Special Weather Statement	AMA	Deaf Smith	46 min
Jun 1, 4:49 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham, Potter, Randall	56 min
Jun 1, 5:23 PM CDT	Areal Flood Advisory	AMA	Deaf Smith, Oldham	3 hr
Jun 1, 5:44 PM CDT	Special Weather Statement	AMA	Potter	46 min
Jun 1, 5:51 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Every severe thunderstorm warning in 2023

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.