Alert archive / North Carolina / Dense Fog Advisories in 2021

Dense Fog Advisory 7, NWS Raleigh, NC

August 23, 202111 counties in North Carolina

NWS Raleigh, NC issued this dense fog advisory at Aug 23, 2021, 3:53 AM EDT for 11 counties in North Carolina. It took effect at Aug 23, 2021, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Aug 23, 2021, 3:53 AM EDT (07:53 UTC)
In effect from: Aug 23, 2021, 4:00 AM EDT
Expired: Aug 23, 2021, 9:00 AM EDT
In force: 5 hr
Issued by: NWS Raleigh, NC

Counties Anson County, NC, Chatham County, NC, Cumberland County, NC, Harnett County, NC, Hoke County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC, Sampson County, NC, Scotland County, NC

The radar

The Raleigh/Durham radar (KRAX), 92 km from the middle of the area, began a volume at 07:54 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 Raleigh, NC wrote its last area forecast discussion before this dense fog advisory went out at Aug 23, 2:50 AM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Aug 23, 2:50 AM EDT, 1 hour 3 minutes before

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In the hours before

Special weather statement, Aug 23, 3:09 AM EDT, 44 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 Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 8:43 PM EDT	Areal Flood Warning	RAH	Edgecombe, Nash	92 min

Nearby

Dense Fog Advisories in North Carolina, 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.