Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 20, NWS Duluth, MN

June 10, 2016Iron County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jun 10, 2016, 3:36 PM CDT for Iron County, Wisconsin. It was in force for 24 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: Jun 10, 2016, 3:36 PM CDT (20:36 UTC)
Expired: Jun 10, 2016, 4:00 PM CDT
In force: 24 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Iron County, WI

The radar

The Duluth radar (KDLH), 160 km from the middle of the area, began a volume at 20:39 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
Jun 10, 2:44 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.6 hours before the alert went out and 265 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

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 Jun 10, 12:38 PM CDT, 2 hours 58 minutes earlier.

Area forecast discussion, Jun 10, 12:38 PM CDT, 2 hours 58 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>
</html>

Hazardous weather outlook, Jun 10, 9:58 AM CDT, 5 hours 38 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>
</html>

In the hours before

Special weather statement, Jun 10, 2:45 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jun 10, 3:07 PM CDT, 29 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>
</html>

Local storm report, Jun 10, 3:10 PM CDT, 26 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>
</html>

Special weather statement, Jun 10, 3:13 PM CDT, 23 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>
</html>

Local storm report, Jun 10, 3:26 PM CDT, 10 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>
</html>

Special weather statement, Jun 10, 3:29 PM CDT, 7 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>
</html>

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 3:50 AM CDT	Special Weather Statement	DLH	Aitkin	10 min
Jun 10, 4:01 AM CDT	Special Weather Statement	DLH	Saint Louis	14 min
Jun 10, 4:05 AM CDT	Special Weather Statement	DLH	Carlton	25 min
Jun 10, 4:15 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	30 min
Jun 10, 4:35 AM CDT	Special Weather Statement	DLH	Carlton	10 min
Jun 10, 4:53 AM CDT	Special Weather Statement	DLH		37 min
Jun 10, 5:32 AM CDT	Special Weather Statement	DLH	Itasca	13 min
Jun 10, 5:47 AM CDT	Special Weather Statement	DLH	Itasca	28 min
Jun 10, 6:05 AM CDT	Special Weather Statement	DLH	Saint Louis	10 min
Jun 10, 6:38 AM CDT	Special Weather Statement	DLH	Itasca	37 min
Jun 10, 9:46 AM CDT	Special Weather Statement	DLH	Cook	29 min
Jun 10, 11:08 AM CDT	Special Weather Statement	DLH	Cass, Crow Wing	52 min
Jun 10, 11:52 AM CDT	Special Weather Statement	DLH	Aitkin, Saint Louis	53 min
Jun 10, 12:50 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton	25 min
Jun 10, 12:52 PM CDT	Special Weather Statement	DLH	Saint Louis	23 min
Jun 10, 1:14 PM CDT	Special Weather Statement	DLH	Saint Louis	16 min
Jun 10, 1:31 PM CDT	Special Weather Statement	DLH	Lake	14 min
Jun 10, 1:50 PM CDT	Special Weather Statement	DLH	Lake	10 min
Jun 10, 1:57 PM CDT	Special Marine Warning	DLH		48 min
Jun 10, 2:05 PM CDT	Special Weather Statement	DLH	Cook	25 min
Jun 10, 2:37 PM CDT	Special Weather Statement	DLH	Cook	23 min
Jun 10, 2:40 PM CDT	Special Marine Warning	DLH		35 min
Jun 10, 3:07 PM CDT	Special Weather Statement	DLH	Cook	23 min
Jun 10, 2:00 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	45 min
Jun 10, 2:10 PM CDT	Special Weather Statement	DLH	Bayfield, Washburn	20 min
Jun 10, 2:29 PM CDT	Special Weather Statement	DLH	Washburn	16 min
Jun 10, 2:35 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	40 min
Jun 10, 2:45 PM CDT	Special Weather Statement	DLH	Ashland, Iron	45 min
Jun 10, 3:13 PM CDT	Special Weather Statement	DLH	Price	17 min
Jun 10, 3:29 PM CDT	Special Weather Statement	DLH	Iron, Price	31 min
Jun 10, 3:53 PM CDT	Special Weather Statement	DLH	Price	22 min
Jun 10, 3:58 PM CDT	Severe Thunderstorm Warning	DLH	Price	32 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016 Every severe thunderstorm warning in 2016

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.