Alert archive / New Jersey / Dense Fog Advisories in 2018

Dense Fog Advisory 15, NWS Philadelphia/Mount Holly

September 12, 20187 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Sep 12, 2018, 3:41 PM EDT for 7 counties in New Jersey; Kent County, Sussex County, Delaware. It took effect at Sep 13, 2018, 12:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 12, 2018, 3:41 PM EDT (19:41 UTC)
In effect from
Sep 13, 2018, 12:00 AM EDT
Expired
Sep 13, 2018, 5:36 AM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 19:44 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 Sep 12, 10:27 AM EDT, 5 hours 14 minutes earlier.

Area forecast discussion, Sep 12, 10:27 AM EDT, 5 hours 14 minutes before
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Hazardous weather outlook, Sep 12, 10:12 AM EDT, 5 hours 29 minutes before
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<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>
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        Please try again in a few minutes.
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        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
Sep 12, 2:05 AM EDTDense Fog AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more8 hr
Sep 12, 2:12 AM EDTMarine Dense Fog AdvisoryPHI33 hr
Sep 12, 3:50 PM EDTHigh Surf AdvisoryPHIAtlantic, Cape May, Monmouth, Ocean52 hr
Sep 12, 4:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset3 hr
Sep 12, 4:39 PM EDTAreal Flood WarningPHICumberland, Salem16 hr
Sep 12, 5:07 PM EDTAreal Flood AdvisoryPHIHunterdon4 hr
Sep 12, 7:25 PM EDTAreal Flood WarningPHIHunterdon2 hr
Sep 12, 4:36 PM EDTAreal Flood AdvisoryPHIBucks, Chester, Delaware, Montgomery, Philadelphia3 hr

Nearby

Dense Fog Advisories in New Jersey, 2018Dense Fog Advisories in Delaware, 2018Every 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.