Alert archive / New Jersey / Dense Fog Advisories in 2018

Dense Fog Advisory 16, NWS Philadelphia/Mount Holly

October 10, 201811 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Oct 10, 2018, 2:59 AM EDT for 11 counties in New Jersey; New Castle County, Delaware. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Oct 10, 2018, 2:59 AM EDT (06:59 UTC)
Expired: Oct 10, 2018, 8:49 AM EDT
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 06:59 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 Oct 10, 1:13 AM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Oct 10, 1:13 AM EDT, 1 hour 46 minutes before

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In the hours before

Special weather statement, Oct 10, 1:05 AM EDT, 1 hour 54 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.
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The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 10, 6:16 AM EDT	Marine Dense Fog Advisory	PHI		3 hr
Oct 10, 3:16 PM EDT	Flash Flood Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more	38 hr
Oct 10, 3:33 PM EDT	Gale Watch	PHI		12 hr
Oct 10, 3:33 PM EDT	Small Craft Advisory	PHI		12 hr

Nearby

Dense Fog Advisories in New Jersey, 2018 Dense Fog Advisories in Delaware, 2018 Every dense fog advisory in 2018

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.