Alert archive / Pennsylvania / Areal Flood Advisories in 2019

Areal Flood Advisory 176, NWS Philadelphia/Mount Holly

July 23, 2019Gloucester County, Salem County, New Jersey; Delaware County, Montgomery County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 23, 2019, 7:48 PM EDT for Gloucester County, Salem County, New Jersey; Delaware County, Montgomery County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 23, 2019, 7:48 PM EDT (23:48 UTC)
Expired
Jul 23, 2019, 11:01 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties New Castle County, DE, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 80 km from the middle of the area, began a volume at 23:47 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 Jul 23, 7:32 PM EDT, 16 minutes earlier.

Area forecast discussion, Jul 23, 7:32 PM EDT, 16 minutes before
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Hazardous weather outlook, Jul 23, 3:09 PM EDT, 4 hours 39 minutes before
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</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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In the hours before

Local storm report, Jul 23, 6:07 PM EDT, 1 hour 41 minutes before
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<head>
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</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>
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Special weather statement, Jul 23, 6:58 PM EDT, 50 minutes before
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<head>
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  <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>
Special weather statement, Jul 23, 7:22 PM EDT, 26 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.

IssuedProductOfficeCountiesLasted
Jul 22, 9:28 PM EDTAreal Flood WarningPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 22, 10:26 PM EDTAreal Flood WarningPHIHunterdon, Middlesex, Morris, Somerset6 hr
Jul 22, 10:36 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer4 hr
Jul 22, 11:04 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Somerset4 hr
Jul 23, 12:07 AM EDTSpecial Marine WarningPHI83 min
Jul 23, 12:38 AM EDTSpecial Marine WarningPHI67 min
Jul 23, 12:58 AM EDTSpecial Marine WarningPHI62 min
Jul 23, 1:04 AM EDTSpecial Weather StatementPHICape May26 min
Jul 23, 1:30 AM EDTSpecial Weather StatementPHIAtlantic, Cape May30 min
Jul 23, 1:42 AM EDTSpecial Marine WarningPHI63 min
Jul 23, 1:44 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean46 min
Jul 23, 2:17 AM EDTSpecial Marine WarningPHI58 min
Jul 23, 6:17 AM EDTAreal Flood WarningPHIMiddlesex, Somerset3 hr
Jul 22, 8:12 PM EDTSpecial Weather StatementPHIBerks33 min
Jul 22, 8:20 PM EDTSevere Thunderstorm WarningPHIBerks40 min
Jul 22, 8:58 PM EDTSpecial Weather StatementPHILehigh32 min
Jul 22, 8:59 PM EDTAreal Flood WarningPHIBerks, Lehigh, Montgomery, Northampton7 hr
Jul 22, 9:24 PM EDTSpecial Weather StatementPHINorthampton36 min
Jul 22, 10:26 PM EDTSpecial Weather StatementPHIChester34 min
Jul 23, 3:53 AM EDTAreal Flood WarningPHILehigh112 min
Jul 23, 7:17 AM EDTRiver Flood WarningPHIChester3 hr
Jul 22, 11:58 PM EDTSevere Thunderstorm WarningPHIKent, Sussex47 min
Jul 23, 12:44 AM EDTSevere Thunderstorm WarningPHIKent, Sussex31 min

Nearby

Areal Flood Advisories in Pennsylvania, 2019Areal Flood Advisories in New Jersey, 2019Areal Flood Advisories in Delaware, 2019Every 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.