Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Corpus Christi, TX

April 17, 2021Jim Wells County, Texas

NWS Corpus Christi, TX issued this special weather statement at Apr 17, 2021, 10:49 AM CDT for Jim Wells County, Texas. It was in force for 26 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: Apr 17, 2021, 10:49 AM CDT (15:49 UTC)
Expired: Apr 17, 2021, 11:15 AM CDT
In force: 26 min
Issued by: NWS Corpus Christi, TX

County Jim Wells County, TX

The radar

The Corpus Christi radar (KCRP), 32 km from the middle of the area, began a volume at 15:52 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 nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 3.8 hours before the alert went out and 221 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: 12 J/kg
Mixed-layer CIN: -344 J/kg
Mixed-layer LCL: 454 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 439 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.2

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 Corpus Christi, TX wrote its last area forecast discussion before this special weather statement went out at Apr 16, 6:25 PM CDT, 16 hours 24 minutes earlier.

Area forecast discussion, Apr 16, 6:25 PM CDT, 16 hours 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 Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 17, 10:09 AM CDT	Special Weather Statement	CRP	Jim Wells	36 min
Apr 17, 10:43 AM CDT	Special Marine Warning	CRP		32 min
Apr 17, 10:57 AM CDT	Special Marine Warning	CRP		48 min
Apr 17, 11:39 AM CDT	Special Marine Warning	CRP		36 min
Apr 17, 11:43 AM CDT	Special Marine Warning	CRP		32 min
Apr 17, 12:13 PM CDT	Special Marine Warning	CRP		47 min
Apr 17, 1:12 PM CDT	Special Marine Warning	CRP		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.