Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 201, NWS Little Rock, AR

May 7, 1998Prairie County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 7, 1998, 2:03 AM CDT for Prairie County, Arkansas. It was in force for 32 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 7, 1998, 2:03 AM CDT (07:03 UTC)
Expired: May 7, 1998, 2:35 AM CDT
In force: 32 min
Issued by: NWS Little Rock, AR
Area: Whole counties

County Prairie County, AR

The radar

The Little Rock radar (KLZK), 65 km from the middle of the area, began a volume at 07:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 12:45 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 7.1 hours before the alert went out and 146 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: 2412 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 4.7

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, May 7, 1:32 AM CDT, 31 minutes before

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Special weather statement, May 7, 1:32 AM CDT, 31 minutes before

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<html lang="en">
<head>
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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">
        Please try again in a few minutes.
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      <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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Special weather statement, May 7, 1:32 AM CDT, 31 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 8:57 PM CDT	Severe Thunderstorm Warning	LZK	Boone	48 min
May 6, 9:01 PM CDT	Severe Thunderstorm Warning	LZK	Scott	64 min
May 6, 9:03 PM CDT	Severe Thunderstorm Warning	LZK	Marion	47 min
May 6, 9:19 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	46 min
May 6, 9:20 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	50 min
May 6, 9:28 PM CDT	Tornado Warning	LZK	Scott	47 min
May 6, 9:30 PM CDT	Severe Thunderstorm Warning	LZK	Fulton	65 min
May 6, 9:38 PM CDT	Tornado Warning	LZK	Montgomery	47 min
May 6, 9:46 PM CDT	Tornado Warning	LZK	Fulton	49 min
May 6, 9:56 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope	64 min
May 6, 9:56 PM CDT	Severe Thunderstorm Warning	LZK	Yell	64 min
May 6, 9:58 PM CDT	Tornado Warning	LZK	Yell	47 min
May 6, 10:25 PM CDT	Tornado Warning	LZK	Pope	50 min
May 6, 10:34 PM CDT	Severe Thunderstorm Warning	LZK	Conway	51 min
May 6, 10:44 PM CDT	Tornado Warning	LZK	Garland, Perry, Saline	36 min
May 6, 10:48 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery	47 min
May 6, 11:04 PM CDT	Tornado Warning	LZK	Conway	36 min
May 6, 11:12 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	48 min
May 6, 11:17 PM CDT	Tornado Warning	LZK	Faulkner	48 min
May 6, 11:22 PM CDT	Tornado Warning	LZK	Garland	48 min
May 6, 11:28 PM CDT	Tornado Warning	LZK	Saline	47 min
May 6, 11:36 PM CDT	Tornado Warning	LZK	Pulaski	49 min
May 6, 11:56 PM CDT	Tornado Warning	LZK	Hot Spring	49 min
May 7, 12:15 AM CDT	Severe Thunderstorm Warning	LZK	Grant, Saline	35 min
May 7, 12:15 AM CDT	Tornado Warning	LZK	Grant, Saline	35 min
May 7, 12:23 AM CDT	Severe Thunderstorm Warning	LZK	Pulaski, Saline	47 min
May 7, 12:33 AM CDT	Severe Thunderstorm Warning	LZK	White	62 min
May 7, 12:37 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner	33 min
May 7, 12:52 AM CDT	Severe Thunderstorm Warning	LZK	Jefferson	48 min
May 7, 12:56 AM CDT	Severe Thunderstorm Warning	LZK	Jackson	34 min
May 7, 1:21 AM CDT	Severe Thunderstorm Warning	LZK	Pulaski	34 min
May 7, 2:07 AM CDT	Severe Thunderstorm Warning	LZK	Monroe	48 min
May 7, 5:23 PM CDT	Severe Thunderstorm Warning	LZK	Clark	47 min
May 7, 6:14 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas	51 min
May 7, 6:45 PM CDT	Severe Thunderstorm Warning	LZK	Pike	50 min
May 7, 6:57 PM CDT	Severe Thunderstorm Warning	LZK	Clark	48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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; radar from the NEXRAD Level II archive.