Alert archive / Pennsylvania / Areal Flood Advisories in 2019

Areal Flood Advisory 19, NWS Philadelphia/Mount Holly

April 13, 2019Berks County, Lehigh County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Apr 13, 2019, 4:48 AM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 104 min.

The area

The counties it named.

The facts

Issued: Apr 13, 2019, 4:48 AM EDT (08:48 UTC)
Expired: Apr 13, 2019, 6:32 AM EDT
In force: 104 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Berks County, PA, Lehigh County, PA

The radar

The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 08:52 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 areal flood 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 areal flood advisory went out at Apr 13, 3:45 AM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Apr 13, 3:45 AM EDT, 1 hour 3 minutes before

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Hazardous weather outlook, Apr 13, 3:55 AM EDT, 53 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
Apr 12, 9:46 PM EDT	Areal Flood Advisory	PHI	Berks, Lehigh, Northampton	4 hr
Apr 12, 10:27 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	4 hr

Nearby

Areal Flood Advisories in Pennsylvania, 2019 Every areal flood advisory in 2019

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.