Alert archive / New Jersey / Areal Flood Warnings in 2013

Areal Flood Warning 54, NWS Philadelphia/Mount Holly

January 31, 2013Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Jan 31, 2013, 10:07 AM EST for Warren County, New Jersey. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 31, 2013, 10:07 AM EST (15:07 UTC)
Expired
Jan 31, 2013, 11:26 PM EST
In force
13 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

County Warren County, NJ

The radar

The Philadelphia radar (KDIX), 113 km from the middle of the area, began a volume at 15:02 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, 3.1 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2013-01-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2013-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
113 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
268 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 areal flood warning 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 warning went out at Jan 31, 9:52 AM EST, 15 minutes earlier.

Area forecast discussion, Jan 31, 9:52 AM EST, 15 minutes before
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Hazardous weather outlook, Jan 31, 9:54 AM EST, 13 minutes before
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<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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The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 30, 9:12 PM ESTSpecial Weather StatementPHISalem2 hr
Jan 30, 9:36 PM ESTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Mercer114 min
Jan 30, 9:50 PM ESTSpecial Weather StatementPHIHunterdon, Mercer, Middlesex, Somerset115 min
Jan 30, 10:38 PM ESTSpecial Weather StatementPHIAtlantic, Cape May, Cumberland, Monmouth, Ocean2 hr
Jan 30, 11:29 PM ESTSpecial Weather StatementPHIBurlington, Camden, Hunterdon, Mercer, Middlesex, Somerset2 hr
Jan 31, 12:34 AM ESTSpecial Weather StatementPHISussex, Warren116 min
Jan 31, 12:42 AM ESTSpecial Weather StatementPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean2 hr
Jan 31, 1:34 AM ESTSpecial Weather StatementPHICamden, Gloucester, Hunterdon, Mercer, Middlesex, Morris and 2 more116 min
Jan 31, 2:06 AM ESTAreal Flood AdvisoryPHIHunterdon, Sussex, Warren4 hr
Jan 31, 2:12 AM ESTSpecial Weather StatementPHICape May, Cumberland63 min
Jan 31, 2:20 AM ESTSpecial Weather StatementPHISussex, Warren55 min
Jan 31, 2:56 AM ESTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Salem4 hr
Jan 31, 3:12 AM ESTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more4 hr
Jan 31, 3:15 AM ESTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more2 hr
Jan 31, 3:16 AM ESTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Sussex, Warren11 hr
Jan 31, 3:34 AM ESTSevere Thunderstorm WarningPHIHunterdon, Mercer, Morris, Somerset56 min
Jan 31, 4:04 AM ESTSpecial Marine WarningPHI86 min
Jan 31, 4:58 AM ESTAreal Flood WarningPHIHunterdon9 hr
Jan 31, 5:20 AM ESTAreal Flood WarningPHIMorris9 hr
Jan 31, 6:01 AM ESTWind AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more12 hr
Jan 31, 6:56 PM ESTSpecial Weather StatementPHIHunterdon, Somerset94 min
Jan 30, 7:38 PM ESTSpecial Weather StatementPHIChester67 min
Jan 30, 8:15 PM ESTSpecial Weather StatementPHIChester, Delaware, Montgomery60 min
Jan 30, 8:22 PM ESTSpecial Weather StatementPHIBerks, Lehigh68 min
Jan 31, 12:10 AM ESTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton4 hr
Jan 31, 4:00 AM ESTAreal Flood WarningPHIBerks, Chester, Montgomery10 hr
Jan 31, 4:42 AM ESTRiver Flood WarningPHIMontgomery10 hr
Jan 31, 6:00 AM ESTAreal Flood WarningPHIChester, Delaware, Montgomery, Philadelphia6 hr
Jan 31, 6:17 AM ESTAreal Flood WarningPHINorthampton6 hr
Jan 31, 8:14 AM ESTRiver Flood WarningPHIChester, Montgomery, Philadelphia12 hr
Jan 31, 11:47 AM ESTAreal Flood WarningPHIMontgomery, Philadelphia4 hr
Jan 31, 1:21 PM ESTRiver Flood WarningPHIChester, Delaware7 hr
Jan 31, 12:57 AM ESTSpecial Weather StatementPHINew Castle2 hr
Jan 31, 4:39 AM ESTRiver Flood WarningPHINew Castle4 hr

Nearby

Areal Flood Warnings in New Jersey, 2013Every areal flood warning in 2013

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.