Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 4, NWS Duluth, MN

May 28, 2006Sawyer County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at May 28, 2006, 1:19 AM CDT for Sawyer County, Wisconsin. It was in force for 26 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 28, 2006, 1:19 AM CDT (06:19 UTC)
Expired
May 28, 2006, 1:45 AM CDT
In force
26 min
Issued by
NWS Duluth, MN
Area
Counties, with a storm outline in the text

County Sawyer County, WI

The radar

The Duluth radar (KDLH), 134 km from the middle of the area, began a volume at 06:21 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.3 hours before the alert went out and 223 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, Minneapolis, MN at 00:00Z on 2006-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 849 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 2006-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
849 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1480 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.1

Open this sounding in Storm Lab

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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 27, 3:34 PM CDT, 9 hours 45 minutes earlier.

Area forecast discussion, May 27, 3:34 PM CDT, 9 hours 45 minutes before
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Hazardous weather outlook, May 28, 1:05 AM CDT, 14 minutes before
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<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 Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:45 AM CDTSevere Thunderstorm WarningDLHKoochiching30 min
May 28, 8:16 AM CDTSevere Thunderstorm WarningDLHKoochiching29 min
May 28, 8:19 AM CDTSevere Thunderstorm WarningDLHSaint Louis26 min
May 28, 8:44 AM CDTSevere Thunderstorm WarningDLHKoochiching17 min
May 28, 8:47 AM CDTSevere Thunderstorm WarningDLHSaint Louis43 min
May 28, 9:01 AM CDTSevere Thunderstorm WarningDLHSaint Louis29 min
May 28, 9:29 AM CDTSevere Thunderstorm WarningDLHSaint Louis61 min
May 28, 9:45 AM CDTSevere Thunderstorm WarningDLHLake45 min
May 28, 10:26 AM CDTSevere Thunderstorm WarningDLHSaint Louis32 min
May 28, 10:28 AM CDTSevere Thunderstorm WarningDLHLake47 min
May 28, 10:40 AM CDTSevere Thunderstorm WarningDLHCook65 min
May 28, 11:10 AM CDTSevere Thunderstorm WarningDLHLake50 min
May 28, 11:41 AM CDTSevere Thunderstorm WarningDLHCook64 min
May 28, 11:46 AM CDTSpecial Marine WarningDLH89 min
May 28, 12:41 PM CDTSevere Thunderstorm WarningDLHCook34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2006Every severe thunderstorm warning in 2006

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.