Alert archive / Pennsylvania / Winter Weather Advisories in 2022

Winter Weather Advisory 18, NWS Philadelphia/Mount Holly

December 14, 20226 counties in New Jersey; 9 counties in Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this winter weather advisory at Dec 14, 2022, 3:16 AM EST for 6 counties in New Jersey; 9 counties in Pennsylvania; New Castle County, Delaware. It took effect at Dec 15, 2022, 5:00 AM EST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Dec 14, 2022, 3:16 AM EST (08:16 UTC)
In effect from: Dec 15, 2022, 5:00 AM EST
Expired: Dec 16, 2022, 12:00 AM EST
In force: 19 hr
Issued by: NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 82 km from the middle of the area, began a volume at 08:15 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 winter weather 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 winter weather advisory went out at Dec 14, 12:00 AM EST, 3 hours 16 minutes earlier.

Area forecast discussion, Dec 14, 12:00 AM EST, 3 hours 16 minutes before

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Hazardous weather outlook, Dec 13, 11:02 PM EST, 4 hours 14 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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</body>
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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
Dec 14, 3:31 PM EST	Wind Advisory	PHI	Atlantic, Burlington, Cape May, Monmouth, Ocean	41 hr
Dec 14, 3:36 PM EST	Gale Warning	PHI		48 hr
Dec 14, 3:36 PM EST	Small Craft Advisory	PHI		26 hr
Dec 14, 3:23 PM EST	Winter Storm Warning	PHI	Carbon, Monroe	42 hr

Nearby

Winter Weather Advisories in Pennsylvania, 2022 Winter Weather Advisories in New Jersey, 2022 Winter Weather Advisories in Delaware, 2022 Every winter weather advisory in 2022

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.