Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 263, NWS Norman, OK

June 7, 1998Love County, Marshall County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 7, 1998, 11:28 PM CDT for Love County, Marshall County, Oklahoma. It was in force for 47 min. 1 report 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 7, 1998, 11:28 PM CDT (04:28 UTC)
Expired
Jun 8, 1998, 12:15 AM CDT
In force
47 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Love County, OK, Marshall County, OK

The radar

The Norman radar (KTLX), 152 km from the middle of the area, began a volume at 04:32 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.

What was reported inside it

TimeReportWhereRemark
Jun 7, 11:55 PM CDTHail 0.75Madill, OK

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

Norman, OK (KOUN), launched 00:00Z, 4.5 hours before the alert went out and 142 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, Norman, OK at 00:00Z on 1998-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Norman, OK at 00:00Z on 1998-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1696 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 7, 9:30 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jun 7, 9:30 PM CDT, 1 hour 58 minutes before
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In the hours before

Local storm report, Jun 7, 5:48 PM CDT, 5 hours 40 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 7, 6:44 PM CDT, 4 hours 44 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>
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  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 10:40 PM CDTSevere Thunderstorm WarningOUNLove50 min
Jun 7, 10:59 PM CDTSevere Thunderstorm WarningOUNCarter46 min
Jun 8, 12:02 AM CDTSevere Thunderstorm WarningOUNBryan58 min
Jun 8, 2:29 AM CDTSevere Thunderstorm WarningOUNJackson46 min
Jun 8, 4:13 AM CDTSevere Thunderstorm WarningOUNComanche47 min
Jun 8, 2:39 PM CDTSevere Thunderstorm WarningOUNCuster, Washita36 min
Jun 8, 3:13 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Custer, Washita47 min
Jun 8, 3:25 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Major, Woods35 min
Jun 8, 3:33 PM CDTSevere Thunderstorm WarningOUNCanadian42 min
Jun 8, 3:58 PM CDTTornado WarningOUNCanadian32 min
Jun 8, 4:03 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Garfield, Grant42 min
Jun 8, 4:25 PM CDTTornado WarningOUNCanadian, Oklahoma35 min
Jun 8, 4:45 PM CDTSevere Thunderstorm WarningOUNGarfield, Grant, Kay45 min
Jun 8, 4:50 PM CDTSevere Thunderstorm WarningOUNCaddo30 min
Jun 8, 4:55 PM CDTTornado WarningOUNOklahoma35 min
Jun 8, 5:16 PM CDTSevere Thunderstorm WarningOUNLincoln44 min
Jun 8, 5:19 PM CDTSevere Thunderstorm WarningOUNGrady56 min
Jun 8, 5:27 PM CDTTornado WarningOUNKay33 min
Jun 8, 5:46 PM CDTSevere Thunderstorm WarningOUNCleveland, McClain44 min
Jun 8, 6:10 PM CDTSevere Thunderstorm WarningOUNLogan, Oklahoma50 min
Jun 8, 6:21 PM CDTTornado WarningOUNCleveland24 min
Jun 8, 6:37 PM CDTSevere Thunderstorm WarningOUNPottawatomie68 min
Jun 7, 7:45 PM CDTSevere Thunderstorm WarningOUNArcher30 min
Jun 8, 2:21 AM CDTSevere Thunderstorm WarningOUNKnox39 min
Jun 8, 3:21 AM CDTSevere Thunderstorm WarningOUNWilbarger54 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.