Alert archive / New Jersey / Dense Fog Advisories in 2024

Dense Fog Advisory 3, NWS Philadelphia/Mount Holly

January 25, 202411 counties in New Jersey; 8 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Jan 25, 2024, 6:41 PM EST for 11 counties in New Jersey; 8 counties in Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jan 25, 2024, 6:41 PM EST (23:41 UTC)
Expired
Jan 26, 2024, 11:41 AM EST
In force
17 hr
Issued by
NWS Philadelphia/Mount Holly
All 22 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Monroe County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 23:43 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 Philadelphia/Mount Holly wrote its last area forecast discussion before this dense fog advisory went out at Jan 25, 6:07 PM EST, 34 minutes earlier.

Area forecast discussion, Jan 25, 6:07 PM EST, 34 minutes before
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Hazardous weather outlook, Jan 25, 5:03 PM EST, 1 hour 38 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 Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 25, 7:57 AM ESTMarine Dense Fog AdvisoryPHI53 hr

Nearby

Dense Fog Advisories in New Jersey, 2024Dense Fog Advisories in Pennsylvania, 2024Dense Fog Advisories in Delaware, 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.