Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 116, NWS Duluth, MN

September 6, 2015Aitkin County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Sep 6, 2015, 6:18 PM CDT for Aitkin County, Minnesota. It was in force for 27 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
Sep 6, 2015, 6:18 PM CDT (23:18 UTC)
Expired
Sep 6, 2015, 6:45 PM CDT
In force
27 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Aitkin County, MN

The radar

The Duluth radar (KDLH), 95 km from the middle of the area, began a volume at 23:18 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.

IssuedProductOfficeLasted
Sep 6, 3:42 PM CDTSevere Thunderstorm WatchSPC6 hr

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 Sep 6, 3:11 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Sep 6, 3:11 PM CDT, 3 hours 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>
Hazardous weather outlook, Sep 6, 2:59 PM CDT, 3 hours 19 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

Local storm report, Sep 6, 5:38 PM CDT, 40 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, Sep 6, 5:43 PM CDT, 35 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, Sep 6, 6:00 PM CDT, 18 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, Sep 6, 6:05 PM CDT, 13 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, Sep 6, 6:08 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, Sep 6, 6:08 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>

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 7:54 PM CDTSpecial Weather StatementDLHCrow Wing36 min
Sep 5, 8:50 PM CDTAreal Flood AdvisoryDLHAitkin, Cass, Crow Wing3 hr
Sep 5, 9:22 PM CDTSpecial Weather StatementDLHAitkin, Crow Wing23 min
Sep 5, 9:52 PM CDTSpecial Weather StatementDLHSaint Louis23 min
Sep 5, 10:22 PM CDTSpecial Weather StatementDLHSaint Louis23 min
Sep 5, 11:18 PM CDTSpecial Weather StatementDLHLake27 min
Sep 5, 11:33 PM CDTSpecial Weather StatementDLHCrow Wing42 min
Sep 6, 1:00 AM CDTSpecial Weather StatementDLHItasca30 min
Sep 6, 1:27 AM CDTSpecial Weather StatementDLHCass, Crow Wing33 min
Sep 6, 1:34 AM CDTSpecial Weather StatementDLHItasca26 min
Sep 6, 2:46 AM CDTSpecial Weather StatementDLHCrow Wing29 min
Sep 6, 3:47 AM CDTFlash Flood WarningDLHAitkin, Itasca, Saint Louis3 hr
Sep 6, 3:14 PM CDTSpecial Weather StatementDLHItasca16 min
Sep 6, 3:30 PM CDTSpecial Weather StatementDLHItasca15 min
Sep 6, 3:40 PM CDTSevere Thunderstorm WarningDLHItasca35 min
Sep 6, 3:47 PM CDTSpecial Weather StatementDLHCass13 min
Sep 6, 4:02 PM CDTSpecial Weather StatementDLHItasca13 min
Sep 6, 4:14 PM CDTSpecial Weather StatementDLHItasca16 min
Sep 6, 4:25 PM CDTSpecial Weather StatementDLHCass35 min
Sep 6, 4:32 PM CDTSpecial Weather StatementDLHItasca13 min
Sep 6, 4:46 PM CDTSpecial Weather StatementDLHItasca14 min
Sep 6, 4:56 PM CDTSpecial Weather StatementDLHCrow Wing19 min
Sep 6, 5:03 PM CDTSpecial Weather StatementDLHSaint Louis12 min
Sep 6, 5:17 PM CDTSpecial Weather StatementDLHWadena28 min
Sep 6, 5:19 PM CDTSpecial Weather StatementDLHSaint Louis26 min
Sep 6, 5:21 PM CDTSpecial Weather StatementDLHSaint Louis24 min
Sep 6, 5:37 PM CDTSpecial Weather StatementDLHCass23 min
Sep 6, 5:43 PM CDTSpecial Weather StatementDLHSaint Louis17 min
Sep 6, 5:52 PM CDTSevere Thunderstorm WarningDLHAitkin, Cass, Crow Wing23 min
Sep 6, 6:05 PM CDTSpecial Weather StatementDLHAitkin25 min
Sep 6, 6:08 PM CDTSpecial Weather StatementDLHLake22 min
Sep 6, 6:33 PM CDTSpecial Weather StatementDLHLake12 min
Sep 6, 6:48 PM CDTSpecial Weather StatementDLHLake12 min
Sep 6, 6:50 PM CDTSevere Thunderstorm WarningDLHAitkin, Carlton, Saint Louis25 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.