Alert archive / South Dakota / Dense Fog Advisories in 2024

Dense Fog Advisory 21, NWS Sioux Falls, SD

November 2, 202412 counties in South Dakota

NWS Sioux Falls, SD issued this dense fog advisory at Nov 2, 2024, 4:01 AM CDT for 12 counties in South Dakota. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 2, 2024, 4:01 AM CDT (09:01 UTC)
Expired
Nov 2, 2024, 10:00 AM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD

Counties Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD, Moody County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 102 km from the middle of the area, began a volume at 09:05 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 Sioux Falls, SD wrote its last area forecast discussion before this dense fog advisory went out at Nov 1, 6:16 PM CDT, 9 hours 45 minutes earlier.

Area forecast discussion, Nov 1, 6:16 PM CDT, 9 hours 45 minutes before
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Hazardous weather outlook, Nov 1, 6:18 PM CDT, 9 hours 43 minutes before
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<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.
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Nearby

Dense Fog Advisories in South Dakota, 2024Every dense fog advisory in 2024

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.