Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 193, NWS Shreveport, LA

June 25, 1990Sabine Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 25, 1990, 9:48 AM CDT for Sabine Parish, Louisiana. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1990, 9:48 AM CDT (14:48 UTC)
Expired
Jun 25, 1990, 10:45 AM CDT
In force
57 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Sabine Parish, LA

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

Longview/Gregg, TX (KGGG), launched 12:00Z, 2.8 hours before the alert went out and 132 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-pSkew-T log-p diagram, Longview/Gregg, TX at 12:00Z on 1990-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 867 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 12:00Z on 1990-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
867 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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

Special weather statement, Jun 25, 7:01 AM CDT, 2 hours 47 minutes before
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Special weather statement, Jun 25, 8:37 AM CDT, 1 hour 11 minutes before
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Special weather statement, Jun 25, 9:47 AM CDT, 1 minute before
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<head>
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  <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.
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 2:16 PM CDTSevere Thunderstorm WarningSHVLincoln, Ouachita, Union59 min
Jun 25, 3:14 PM CDTSevere Thunderstorm WarningSHVUnion61 min
Jun 25, 3:54 PM CDTSevere Thunderstorm WarningSHVBienville, Claiborne, Lincoln106 min
Jun 25, 3:54 PM CDTSevere Thunderstorm WarningSHVWebster106 min
Jun 25, 4:49 PM CDTSevere Thunderstorm WarningSHVSabine101 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo99 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVUnion99 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVWebster80 min
Jun 25, 6:40 PM CDTSevere Thunderstorm WarningSHVNatchitoches65 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVBowie80 min
Jun 25, 6:23 PM CDTSevere Thunderstorm WarningSHVCass97 min
Jun 25, 6:23 PM CDTSevere Thunderstorm WarningSHVHarrison, Marion97 min
Jun 25, 3:06 PM CDTSevere Thunderstorm WarningSHVColumbia, Nevada54 min
Jun 25, 4:49 PM CDTSevere Thunderstorm WarningSHVHempstead, Lafayette101 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Sevier99 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVColumbia, Nevada99 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVPike80 min
Jun 25, 5:58 PM CDTTornado WarningSHVPike72 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990

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.