Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 307, NWS Shreveport, LA

December 18, 1995San Augustine County, Shelby County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Dec 18, 1995, 2:12 AM CST for San Augustine County, Shelby County, Texas. It was in force for 33 min.

The area

The counties it named.

The facts

Issued: Dec 18, 1995, 2:12 AM CST (08:12 UTC)
Expired: Dec 18, 1995, 2:45 AM CST
In force: 33 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties San Augustine County, TX, Shelby County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.2 hours before the alert went out and 188 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 648 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Dec 17, 8:30 PM CST, 5 hours 42 minutes earlier.

Area forecast discussion, Dec 17, 8:30 PM CST, 5 hours 42 minutes before

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In the hours before

Local storm report, Dec 17, 9:50 PM CST, 4 hours 22 minutes before

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Local storm report, Dec 17, 9:51 PM CST, 4 hours 21 minutes before

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    <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">
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      <p id="message2">
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Local storm report, Dec 17, 9:53 PM CST, 4 hours 19 minutes before

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<head>
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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.
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      <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 Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 18, 1:10 AM CST	Severe Thunderstorm Warning	SHV	De Soto	35 min
Dec 18, 1:28 AM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Red River	32 min
Dec 18, 1:28 AM CST	Severe Thunderstorm Warning	SHV	Bienville	32 min
Dec 18, 7:55 AM CST	Tornado Warning	SHV	Sabine	65 min
Dec 18, 9:15 AM CST	Severe Thunderstorm Warning	SHV	Grant	60 min
Dec 17, 7:25 PM CST	Severe Thunderstorm Warning	SHV	Angelina	35 min
Dec 17, 7:40 PM CST	Severe Thunderstorm Warning	SHV	Nacogdoches	36 min
Dec 17, 8:43 PM CST	Severe Thunderstorm Warning	SHV	Angelina	32 min
Dec 18, 4:04 AM CST	Severe Thunderstorm Warning	SHV	Shelby	26 min
Dec 18, 6:41 AM CST	Flash Flood Warning	SHV	Angelina, Nacogdoches, San Augustine	4 hr
Dec 18, 6:41 AM CST	Flash Flood Warning	SHV	Sabine	4 hr
Dec 18, 7:40 AM CST	Severe Thunderstorm Warning	SHV	Sabine	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995 Every severe thunderstorm warning in 1995

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.