Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 20, NWS Duluth, MN

April 18, 2004Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Apr 18, 2004, 9:47 AM CDT for Saint Louis County, Minnesota. It was in force for 28 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: Apr 18, 2004, 9:47 AM CDT (14:47 UTC)
Expired: Apr 18, 2004, 10:15 AM CDT
In force: 28 min
Issued by: NWS Duluth, MN
Area: Counties, with a storm outline in the text

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 14:49 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 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 Apr 18, 3:30 AM CDT, 6 hours 17 minutes earlier.

Area forecast discussion, Apr 18, 3:30 AM CDT, 6 hours 17 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, Apr 18, 7:30 AM CDT, 2 hours 17 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, Apr 18, 5:54 AM CDT, 3 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
554 AM CDT SUN APR 18 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0220 AM     HAIL             4 W HINCKLEY            46.01N 93.02W
04/18/2004  0.75 INCH        PINE               MN   TRAINED SPOTTER

0224 AM     HAIL             13 E HINCKLEY           46.01N 92.67W
04/18/2004  1.50 INCH        PINE               MN   TRAINED SPOTTER

0458 AM     HAIL             LITTLE ROUND LAKE       45.97N 91.37W
04/18/2004  1.00 INCH        SAWYER             WI   AMATEUR RADIO

0510 AM     HAIL             10 E HAYWARD            46.01N 91.27W
04/18/2004  0.75 INCH        SAWYER             WI   TRAINED SPOTTER

&&

AWIPSUSR

Local storm report, Apr 18, 7:47 AM CDT, 2 hours 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
Apr 18, 2:20 AM CDT	Severe Thunderstorm Warning	DLH	Pine	55 min
Apr 18, 3:17 AM CDT	Severe Thunderstorm Warning	DLH	Pine	58 min
Apr 18, 7:18 AM CDT	Severe Thunderstorm Warning	DLH	Pine	27 min
Apr 18, 8:01 AM CDT	Severe Thunderstorm Warning	DLH	Cass	44 min
Apr 18, 8:39 AM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	51 min
Apr 18, 8:42 AM CDT	Severe Thunderstorm Warning	DLH	Itasca	33 min
Apr 18, 10:07 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	38 min
Apr 18, 10:33 AM CDT	Severe Thunderstorm Warning	DLH	Lake	42 min
Apr 18, 11:06 AM CDT	Special Marine Warning	DLH		54 min
Apr 18, 12:13 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	62 min
Apr 18, 12:58 PM CDT	Severe Thunderstorm Warning	DLH	Lake	62 min
Apr 18, 1:35 PM CDT	Severe Thunderstorm Warning	DLH	Cook	55 min
Apr 18, 3:36 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	39 min
Apr 18, 3:59 PM CDT	Tornado Warning	DLH	Pine	61 min
Apr 18, 4:13 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	62 min
Apr 18, 4:30 PM CDT	Special Marine Warning	DLH		60 min
Apr 18, 5:13 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	32 min
Apr 18, 5:31 PM CDT	Special Marine Warning	DLH		89 min
Apr 18, 5:31 PM CDT	Special Marine Warning	DLH		89 min
Apr 18, 5:53 PM CDT	Severe Thunderstorm Warning	DLH	Lake	52 min
Apr 18, 2:11 AM CDT	Severe Thunderstorm Warning	DLH	Sawyer	64 min
Apr 18, 3:37 AM CDT	Severe Thunderstorm Warning	DLH	Burnett, Douglas, Washburn	53 min
Apr 18, 4:00 AM CDT	Severe Thunderstorm Warning	DLH	Bayfield	30 min
Apr 18, 4:43 AM CDT	Severe Thunderstorm Warning	DLH	Sawyer	32 min
Apr 18, 4:56 AM CDT	Severe Thunderstorm Warning	DLH	Douglas, Washburn	34 min
Apr 18, 5:20 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Sawyer	55 min
Apr 18, 7:33 AM CDT	Severe Thunderstorm Warning	DLH	Washburn	27 min
Apr 18, 7:56 AM CDT	Severe Thunderstorm Warning	DLH	Sawyer	34 min
Apr 18, 8:27 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Sawyer	48 min
Apr 18, 9:10 AM CDT	Severe Thunderstorm Warning	DLH	Price	35 min
Apr 18, 4:41 PM CDT	Tornado Warning	DLH	Burnett	64 min
Apr 18, 5:23 PM CDT	Tornado Warning	DLH	Washburn	67 min
Apr 18, 5:54 PM CDT	Tornado Warning	DLH	Sawyer	66 min
Apr 18, 6:32 PM CDT	Severe Thunderstorm Warning	DLH	Ashland	43 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004 Every severe thunderstorm warning in 2004

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.