Alert archive / South Carolina / Dense Fog Advisories in 2021

Dense Fog Advisory 18, NWS Columbia, SC

December 10, 202113 counties in South Carolina; 4 counties in Georgia

NWS Columbia, SC issued this dense fog advisory at Dec 10, 2021, 7:35 PM EST for 13 counties in South Carolina; 4 counties in Georgia. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2021, 7:35 PM EST (00:35 UTC)
Expired
Dec 11, 2021, 8:58 AM EST
In force
13 hr
Issued by
NWS Columbia, SC

Counties Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Calhoun County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lancaster County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 34 km from the middle of the area, began a volume at 00:38 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 Columbia, SC wrote its last area forecast discussion before this dense fog advisory went out at Dec 10, 6:43 PM EST, 52 minutes earlier.

Area forecast discussion, Dec 10, 6:43 PM EST, 52 minutes before
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Hazardous weather outlook, Dec 10, 4:49 AM EST, 14 hours 46 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.
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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 11, 4:24 PM ESTSpecial Weather StatementCAENewberry36 min
Dec 11, 5:02 PM ESTSpecial Weather StatementCAEFairfield, Newberry43 min
Dec 11, 5:12 PM ESTSpecial Weather StatementCAELancaster48 min
Dec 11, 5:15 PM ESTSpecial Weather StatementCAEMcCormick45 min
Dec 11, 5:53 PM ESTSpecial Weather StatementCAEChesterfield52 min
Dec 11, 6:27 PM ESTSpecial Weather StatementCAELexington, Richland48 min

Nearby

Dense Fog Advisories in South Carolina, 2021Dense Fog Advisories in Georgia, 2021Every 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.