Alert archive / Minnesota / Dense Fog Advisories in 2009

Dense Fog Advisory 4, NWS Twin Cities, MN

March 21, 200914 counties in Minnesota

NWS Twin Cities, MN issued this dense fog advisory at Mar 21, 2009, 3:54 AM CDT for 14 counties in Minnesota. It took effect at Mar 21, 2009, 4:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Mar 21, 2009, 3:54 AM CDT (08:54 UTC)
In effect from: Mar 21, 2009, 4:00 AM CDT
Expired: Mar 21, 2009, 12:00 PM CDT
In force: 8 hr
Issued by: NWS Twin Cities, MN

Counties Benton County, MN, Chippewa County, MN, Douglas County, MN, Isanti County, MN, Kanabec County, MN, Lac qui Parle County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 08:58 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 dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this dense fog advisory went out at Mar 21, 3:47 AM CDT, 7 minutes earlier.

Area forecast discussion, Mar 21, 3:47 AM CDT, 7 minutes before

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Hazardous weather outlook, Mar 20, 11:57 PM CDT, 3 hours 57 minutes before

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  <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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In the hours before

Local storm report, Mar 20, 10:49 PM CDT, 5 hours 5 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Nearby

Dense Fog Advisories in Minnesota, 2009 Every dense fog advisory in 2009

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.