Alert archive / Wisconsin / Dense Fog Advisories in 2021

Dense Fog Advisory 11, NWS Milwaukee, WI

September 30, 20218 counties in Wisconsin

NWS Milwaukee, WI issued this dense fog advisory at Sep 30, 2021, 7:55 PM CDT for 8 counties in Wisconsin. It took effect at Sep 30, 2021, 10:00 PM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Sep 30, 2021, 7:55 PM CDT (00:55 UTC)
In effect from: Sep 30, 2021, 10:00 PM CDT
Expired: Oct 1, 2021, 8:32 AM CDT
In force: 11 hr
Issued by: NWS Milwaukee, WI

Counties Fond du Lac County, WI, Kenosha County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Sheboygan County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 49 km from the middle of the area, began a volume at 00:55 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 Milwaukee, WI wrote its last area forecast discussion before this dense fog advisory went out at Sep 30, 3:38 PM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, Sep 30, 3:38 PM CDT, 4 hours 17 minutes before

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Hazardous weather outlook, Sep 30, 2:38 PM CDT, 5 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>

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 1, 2:56 AM CDT	Marine Dense Fog Advisory	MKX		5 hr

Nearby

Dense Fog Advisories in Wisconsin, 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.