Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 113, NWS Duluth, MN

July 31, 2022Burnett County, Washburn County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jul 31, 2022, 7:29 PM CDT for Burnett County, Washburn County, Wisconsin. It was in force for 23 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: Jul 31, 2022, 7:29 PM CDT (00:29 UTC)
Expired: Jul 31, 2022, 7:52 PM CDT
In force: 23 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.5 in
Wind: 60.0 mph

Counties Burnett County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 107 km from the middle of the area, began a volume at 00:30 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, 0.5 hours before the alert went out and 165 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: 1636 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1070 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 8.1

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.

In the hours before

Special weather statement, Jul 31, 7:02 PM CDT, 27 minutes before

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Special weather statement, Jul 31, 7:13 PM CDT, 16 minutes before

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Special weather statement, Jul 31, 7:29 PM CDT, 0 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 Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 31, 7:13 PM CDT	Special Weather Statement	DLH	Lake	17 min
Jul 31, 7:29 PM CDT	Special Weather Statement	DLH	Cook, Lake	46 min
Jul 31, 7:37 PM CDT	Special Weather Statement	DLH	Carlton	38 min
Jul 31, 8:13 PM CDT	Special Weather Statement	DLH		32 min
Jul 31, 8:16 PM CDT	Special Weather Statement	DLH	Pine	29 min
Jul 31, 7:02 PM CDT	Special Weather Statement	DLH	Burnett	28 min
Jul 31, 7:55 PM CDT	Special Weather Statement	DLH	Washburn	35 min
Jul 31, 8:25 PM CDT	Special Weather Statement	DLH	Washburn	35 min
Jul 31, 8:51 PM CDT	Special Weather Statement	DLH	Burnett	24 min
Jul 31, 8:56 PM CDT	Special Weather Statement	DLH	Washburn	34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2022 Every severe thunderstorm warning in 2022

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.