Alert archive / Louisiana / Dense Fog Advisories in 2021

Dense Fog Advisory 9, NWS New Orleans, LA

February 9, 20217 parishes in Louisiana

NWS New Orleans, LA issued this dense fog advisory at Feb 9, 2021, 8:49 PM CST for 7 parishes in Louisiana. It took effect at Feb 10, 2021, 12:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Feb 9, 2021, 8:49 PM CST (02:49 UTC)
In effect from: Feb 10, 2021, 12:00 AM CST
Expired: Feb 10, 2021, 10:00 AM CST
In force: 10 hr
Issued by: NWS New Orleans, LA

Counties Assumption Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA, Saint Bernard Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, West Baton Rouge Parish, LA

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 New Orleans, LA wrote its last area forecast discussion before this dense fog advisory went out at Feb 9, 3:28 PM CST, 5 hours 21 minutes earlier.

Area forecast discussion, Feb 9, 3:28 PM CST, 5 hours 21 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 New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 9, 8:49 PM CST	Marine Dense Fog Advisory	LIX		15 hr
Feb 10, 12:01 PM CST	Marine Dense Fog Advisory	LIX		24 hr
Feb 10, 3:16 PM CST	Dense Fog Advisory	LIX	Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more	18 hr
Feb 10, 9:17 AM CST	Special Weather Statement	LIX	Jackson	43 min

Nearby

Dense Fog Advisories in Louisiana, 2021 Dense Fog Advisories in Mississippi, 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.