Alert archive / New Jersey / Areal Flood Advisories in 2014

Areal Flood Advisory 343, NWS Philadelphia/Mount Holly

July 16, 20144 counties in New Jersey

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 16, 2014, 5:14 AM EDT for 4 counties in New Jersey. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 16, 2014, 5:14 AM EDT (09:14 UTC)
Expired: Jul 16, 2014, 8:15 AM EDT
In force: 3 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 09:15 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 9.2 hours before the alert went out and 205 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1908 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 578 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 6.3

Open this sounding in Storm Lab

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 16, 3:56 AM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 16, 3:56 AM EDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jul 16, 3:47 AM EDT, 1 hour 27 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.
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        Please try again in a few minutes.
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In the hours before

Local storm report, Jul 15, 11:56 PM EDT, 5 hours 18 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.
      </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
Jul 16, 5:57 AM EDT	Areal Flood Advisory	PHI	Atlantic, Ocean	2 hr
Jul 15, 8:18 PM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Delaware, Montgomery	3 hr
Jul 15, 8:58 PM EDT	Areal Flood Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	4 hr
Jul 15, 9:53 PM EDT	River Flood Warning	PHI	Chester	10 hr

Nearby

Areal Flood Advisories in New Jersey, 2014 Every areal flood advisory in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.