Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 271, NWS Shreveport, LA

June 12, 1996Natchitoches Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 12, 1996, 8:40 PM CDT for Natchitoches Parish, Louisiana. It was in force for 50 min. 3 reports 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, 1996, 8:40 PM CDT (01:40 UTC)
Expired
Jun 12, 1996, 9:30 PM CDT
In force
50 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Natchitoches Parish, LA

What was reported inside it

TimeReportWhereRemark
Jun 12, 8:44 PM CDTHail 0.5Campti, LA
Jun 12, 8:50 PM CDTThunderstorm Wind 60Natchitoches, LA
Jun 12, 9:10 PM CDTThunderstorm Wind 50Campti, LA

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

Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 104 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, Shreveport, LA at 00:00Z on 1996-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 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, Shreveport, LA at 00:00Z on 1996-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
993 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2044 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 12, 7:01 PM CDT, 1 hour 39 minutes before
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Special weather statement, Jun 12, 7:54 PM CDT, 46 minutes before
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</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.
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      <p id="message2">
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:26 AM CDTFlash Flood WarningSHVClaiborne3 hr
Jun 13, 8:39 AM CDTSevere Thunderstorm WarningSHVBossier51 min
Jun 13, 9:08 AM CDTFlash Flood WarningSHVBossier, Webster3 hr
Jun 13, 11:23 AM CDTFlash Flood WarningSHVClaiborne2 hr
Jun 13, 11:41 AM CDTFlash Flood WarningSHVCaddo4 hr
Jun 13, 12:00 PM CDTFlash Flood WarningSHVBossier, Webster3 hr
Jun 12, 10:57 PM CDTSevere Thunderstorm WarningSHVShelby63 min
Jun 13, 10:37 AM CDTFlash Flood WarningSHVBowie4 hr
Jun 13, 3:25 PM CDTSevere Thunderstorm WarningSHVCherokee65 min
Jun 13, 8:44 AM CDTFlash Flood WarningSHVLafayette3 hr
Jun 13, 11:26 AM CDTFlash Flood WarningSHVLafayette2 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996

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.