Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 53, NWS Fort Worth, TX

March 17, 1987Hill County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 17, 1987, 2:01 AM CST for Hill County, Texas. It was in force for 29 min.

The area

The counties it named.

The facts

Issued: Mar 17, 1987, 2:01 AM CST (08:01 UTC)
Expired: Mar 17, 1987, 2:30 AM CST
In force: 29 min
Issued by: NWS Fort Worth, TX
Area: Whole counties

County Hill County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 8.0 hours before the alert went out and 95 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: 1527 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.7

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.

In the hours before

Local storm report, Mar 16, 11:45 PM CST, 2 hours 16 minutes before

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Local storm report, Mar 16, 11:53 PM CST, 2 hours 8 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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Special weather statement, Mar 17, 12:11 AM CST, 1 hour 50 minutes before

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<head>
  <meta charset="utf-8">
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  <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.
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 16, 9:20 PM CST	Severe Thunderstorm Warning	FWD	Wood	25 min
Mar 16, 9:50 PM CST	Severe Thunderstorm Warning	FWD	Hopkins	40 min
Mar 16, 9:58 PM CST	Tornado Warning	FWD	Hamilton	32 min
Mar 16, 10:14 PM CST	Severe Thunderstorm Warning	FWD	Smith	46 min
Mar 17, 1:24 AM CST	Severe Thunderstorm Warning	FWD	Bell, Falls, McLennan	66 min
Mar 17, 1:26 AM CST	Severe Thunderstorm Warning	FWD	Upshur	34 min
Mar 17, 6:13 AM CST	Severe Thunderstorm Warning	FWD	Smith	32 min

Nearby

Severe Thunderstorm Warnings in Texas, 1987 Every severe thunderstorm warning in 1987

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.