Alert archive / New Jersey / Coastal Flood Advisories in 2017

Coastal Flood Advisory 17, NWS Philadelphia/Mount Holly

July 25, 20176 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Jul 25, 2017, 3:25 PM EDT for 6 counties in New Jersey. It took effect at Jul 25, 2017, 9:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jul 25, 2017, 3:25 PM EDT (19:25 UTC)
In effect from: Jul 25, 2017, 9:00 PM EDT
Expired: Jul 26, 2017, 2:00 AM EDT
In force: 5 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 14 km from the middle of the area, began a volume at 19:26 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 12:00Z, 7.4 hours before the alert went out and 179 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 496 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal 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 coastal flood advisory went out at Jul 25, 9:49 AM EDT, 5 hours 36 minutes earlier.

Area forecast discussion, Jul 25, 9:49 AM EDT, 5 hours 36 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>

Hazardous weather outlook, Jul 25, 4:38 AM EDT, 10 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
Jul 24, 8:22 PM EDT	Special Weather Statement	PHI	Burlington, Mercer	38 min
Jul 24, 8:28 PM EDT	Special Marine Warning	PHI		92 min
Jul 24, 8:59 PM EDT	Areal Flood Advisory	PHI	Camden, Gloucester, Salem	2 hr
Jul 24, 9:01 PM EDT	Special Weather Statement	PHI	Camden, Gloucester, Salem	59 min
Jul 24, 9:06 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	114 min
Jul 24, 10:01 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	119 min
Jul 24, 10:20 PM EDT	Special Marine Warning	PHI		85 min
Jul 24, 10:38 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Salem	52 min
Jul 24, 10:58 PM EDT	Special Marine Warning	PHI		92 min
Jul 24, 11:30 PM EDT	Special Weather Statement	PHI	Cape May, Cumberland	45 min
Jul 24, 11:47 PM EDT	Special Marine Warning	PHI		118 min
Jul 25, 12:40 AM EDT	Special Marine Warning	PHI		2 hr
Jul 25, 1:40 AM EDT	Special Marine Warning	PHI		2 hr
Jul 25, 3:14 AM EDT	Areal Flood Warning	PHI	Salem	6 hr
Jul 24, 8:08 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	52 min
Jul 24, 8:19 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	116 min
Jul 24, 9:44 PM EDT	Flash Flood Warning	PHI	Philadelphia	4 hr
Jul 24, 11:11 PM EDT	Areal Flood Warning	PHI	Montgomery	4 hr
Jul 24, 9:52 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	38 min
Jul 24, 10:02 PM EDT	Special Weather Statement	PHI	Cecil	43 min
Jul 24, 10:06 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Cecil, Kent, Queen Anne's	39 min
Jul 24, 10:50 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's	40 min
Jul 24, 11:10 PM EDT	Special Weather Statement	PHI	Talbot	35 min
Jul 24, 11:55 PM EDT	Areal Flood Advisory	PHI	Caroline, Queen Anne's	2 hr
Jul 25, 12:34 AM EDT	Severe Thunderstorm Warning	PHI	Caroline	41 min

Nearby

Coastal Flood Advisories in New Jersey, 2017 Every coastal flood advisory in 2017

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.