Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 167, NWS Jackson, MS

April 17, 1998Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 17, 1998, 6:59 PM CDT for Jones County, Mississippi. It was in force for 51 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: Apr 17, 1998, 6:59 PM CDT (23:59 UTC)
Expired: Apr 17, 1998, 7:50 PM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Jones County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 17, 5:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 12.0 hours before the alert went out and 161 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: 1365 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

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, Apr 17, 6:08 PM CDT, 51 minutes before

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Local storm report, Apr 17, 6:08 PM CDT, 51 minutes before

<!doctype html>
<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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    </section>
  </main>
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</body>
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 17, 4:38 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	32 min
Apr 17, 4:51 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	34 min
Apr 17, 5:08 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	32 min
Apr 17, 5:21 PM CDT	Tornado Warning	JAN	Forrest	49 min
Apr 17, 5:29 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	46 min
Apr 17, 5:53 PM CDT	Tornado Warning	JAN	Marion	47 min
Apr 17, 6:13 PM CDT	Tornado Warning	JAN	Lamar	47 min
Apr 17, 6:30 PM CDT	Tornado Warning	JAN	Forrest	45 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.