Alert archive / New Jersey / Winter Weather Advisories in 2009

Winter Weather Advisory 12, NWS Philadelphia/Mount Holly

December 12, 20095 counties in New Jersey; 5 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this winter weather advisory at Dec 12, 2009, 2:29 PM EST for 5 counties in New Jersey; 5 counties in Pennsylvania. It took effect at Dec 13, 2009, 7:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2009, 2:29 PM EST (19:29 UTC)
In effect from: Dec 13, 2009, 7:00 AM EST
Expired: Dec 13, 2009, 1:50 PM EST
In force: 7 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 19:29 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 12, 10:49 AM EST, 3 hours 40 minutes earlier.

Area forecast discussion, Dec 12, 10:49 AM EST, 3 hours 40 minutes before

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    <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>
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Hazardous weather outlook, Dec 12, 10:42 AM EST, 3 hours 47 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 Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 12, 2:49 PM EST	Small Craft Advisory	PHI		40 hr

Nearby

Winter Weather Advisories in New Jersey, 2009 Winter Weather Advisories in Pennsylvania, 2009 Every winter weather advisory in 2009

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.