Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 51, NWS Lincoln, IL

May 4, 1996Clark County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 4, 1996, 11:14 AM CDT for Clark County, Illinois. It was in force for 46 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: May 4, 1996, 11:14 AM CDT (16:14 UTC)
Expired: May 4, 1996, 12:00 PM CDT
In force: 46 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Clark County, IL

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.2 hours before the alert went out and 343 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: 688 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 215 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.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 4, 9:42 AM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, May 4, 9:42 AM CDT, 1 hour 32 minutes before

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In the hours before

Special weather statement, May 4, 6:00 AM CDT, 5 hours 14 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, May 4, 10:43 AM CDT, 31 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <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 Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 3, 7:08 PM CDT	Severe Thunderstorm Warning	ILX	Jasper	52 min
May 3, 8:46 PM CDT	Severe Thunderstorm Warning	ILX	Menard, Sangamon	59 min
May 3, 9:38 PM CDT	Severe Thunderstorm Warning	ILX	Christian	37 min
May 3, 9:42 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	33 min
May 3, 9:49 PM CDT	Severe Thunderstorm Warning	ILX	Macon	26 min
May 3, 10:17 PM CDT	Severe Thunderstorm Warning	ILX	Macon	58 min
May 3, 10:29 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	46 min
May 3, 10:30 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie, Piatt	50 min
May 3, 10:46 PM CDT	Flash Flood Warning	ILX	Macon, Sangamon	3 hr
May 3, 10:52 PM CDT	Severe Thunderstorm Warning	ILX	Douglas	53 min
May 3, 11:20 PM CDT	Severe Thunderstorm Warning	ILX	Christian	40 min
May 4, 12:06 AM CDT	Flash Flood Warning	ILX	Douglas, Moultrie	3 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 1996 Every 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; the sounding from the Mesonet's radiosonde archive.