Alert archive / North Dakota / Dense Fog Advisories in 2021

Dense Fog Advisory 7, NWS Bismarck, ND

January 31, 202116 counties in North Dakota

NWS Bismarck, ND issued this dense fog advisory at Jan 31, 2021, 6:35 AM MST for 16 counties in North Dakota. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jan 31, 2021, 6:35 AM MST (13:35 UTC)
Expired: Jan 31, 2021, 11:00 AM MST
In force: 4 hr
Issued by: NWS Bismarck, ND

Counties Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Slope County, ND, Stark County, ND, Williams County, ND

The radar

The Bismarck radar (KBIS), 162 km from the middle of the area, began a volume at 13:34 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 Bismarck, ND wrote its last area forecast discussion before this dense fog advisory went out at Jan 30, 4:55 PM MST, 13 hours 40 minutes earlier.

Area forecast discussion, Jan 30, 4:55 PM MST, 13 hours 40 minutes before

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Hazardous weather outlook, Jan 30, 4:41 PM MST, 13 hours 54 minutes before

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</head>
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  <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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Nearby

Dense Fog Advisories in North Dakota, 2021 Every dense fog advisory in 2021

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.