Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Lubbock, TX

August 21, 2021Cochran County, Texas

NWS Lubbock, TX issued this special weather statement at Aug 21, 2021, 3:30 PM CDT for Cochran County, Texas. It was in force for 30 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: Aug 21, 2021, 3:30 PM CDT (20:30 UTC)
Expired: Aug 21, 2021, 4:00 PM CDT
In force: 30 min
Issued by: NWS Lubbock, TX
Hail: 0.50 in
Wind: 55

County Cochran County, TX

The radar

The Lubbock radar (KLBB), 90 km from the middle of the area, began a volume at 20:33 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, 8.5 hours before the alert went out and 175 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: 200 J/kg
Mixed-layer CIN: -198 J/kg
Mixed-layer LCL: 1271 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Lubbock, TX wrote its last area forecast discussion before this special weather statement went out at Aug 20, 6:25 PM CDT, 21 hours 5 minutes earlier.

Area forecast discussion, Aug 20, 6:25 PM CDT, 21 hours 5 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 Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 21, 4:22 PM CDT	Special Weather Statement	LUB	Yoakum	23 min
Aug 21, 4:47 PM CDT	Special Weather Statement	LUB	Yoakum	28 min
Aug 21, 5:07 PM CDT	Severe Thunderstorm Warning	LUB	Terry, Yoakum	41 min
Aug 21, 5:22 PM CDT	Areal Flood Advisory	LUB	Yoakum	98 min
Aug 21, 5:52 PM CDT	Special Weather Statement	LUB	Terry	23 min
Aug 21, 6:14 PM CDT	Special Weather Statement	LUB	Terry	31 min
Aug 21, 6:42 PM CDT	Special Weather Statement	LUB	Terry	33 min

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement in 2021

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.