Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 210, NWS Louisville, KY

June 23, 1998Jefferson County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jun 23, 1998, 12:36 AM EST for Jefferson County, Indiana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 23, 1998, 12:36 AM EST (05:36 UTC)
Expired: Jun 23, 1998, 1:10 AM EST
In force: 34 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Jefferson County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.6 hours before the alert went out and 159 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: 38 J/kg
Mixed-layer CIN: -265 J/kg
Mixed-layer LCL: 1725 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 144 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

Local storm report, Jun 22, 6:39 PM EST, 5 hours 57 minutes before

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Local storm report, Jun 22, 7:00 PM EST, 5 hours 36 minutes before

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Local storm report, Jun 22, 7:00 PM EST, 5 hours 36 minutes before

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<head>
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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">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Local storm report, Jun 22, 7:11 PM EST, 5 hours 25 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.
      </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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Local storm report, Jun 22, 7:46 PM EST, 4 hours 50 minutes before

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<html lang="en">
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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</body>
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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 12:05 AM EST	Severe Thunderstorm Warning	LMK	Hancock	35 min
Jun 23, 12:25 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	35 min
Jun 23, 1:51 AM EST	Flash Flood Warning	LMK	Hancock	2 hr
Jun 23, 5:07 PM EST	Severe Thunderstorm Warning	LMK	Hancock	23 min
Jun 23, 5:32 PM EST	Severe Thunderstorm Warning	LMK	Breckinridge	28 min
Jun 22, 11:51 PM EST	Severe Thunderstorm Warning	LMK	Dubois	39 min
Jun 22, 11:57 PM EST	Severe Thunderstorm Warning	LMK	Washington	33 min
Jun 23, 12:05 AM EST	Severe Thunderstorm Warning	LMK	Crawford	35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998 Every severe thunderstorm warning in 1998

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.