Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 124, NWS San Angelo, TX

June 12, 1997Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 12, 1997, 7:48 PM CDT for Tom Green County, Texas. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 12, 1997, 7:48 PM CDT (00:48 UTC)
Expired: Jun 12, 1997, 8:50 PM CDT
In force: 62 min
Issued by: NWS San Angelo, TX
Area: Whole counties

County Tom Green County, TX

The radar

The San Angelo radar (KSJT), 5 km from the middle of the area, began a volume at 00:49 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.

What was reported inside it

Time	Report	Where	Remark
Jun 12, 8:06 PM CDT	Hail 0.75	Knickerbocker, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.8 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: 651 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 3203 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 1:58 PM CDT, 5 hours 50 minutes earlier.

Area forecast discussion, Jun 12, 1:58 PM CDT, 5 hours 50 minutes before

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In the hours before

Special weather statement, Jun 12, 2:25 PM CDT, 5 hours 23 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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.
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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 7:04 PM CDT	Severe Thunderstorm Warning	SJT	Irion	61 min
Jun 12, 7:59 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	91 min
Jun 12, 9:39 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Sterling, Tom Green	66 min
Jun 12, 9:50 PM CDT	Tornado Warning	SJT	Coke, Tom Green	65 min
Jun 12, 10:16 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	44 min
Jun 12, 10:25 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	65 min
Jun 12, 10:38 PM CDT	Tornado Warning	SJT	Nolan	62 min
Jun 12, 10:57 PM CDT	Tornado Warning	SJT	Taylor	58 min
Jun 12, 11:41 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Runnels	49 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.