Alert archive / Maryland / Coastal Flood Advisories in 2006

Coastal Flood Advisory 7, NWS Philadelphia/Mount Holly

December 1, 20065 counties in Maryland

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Dec 1, 2006, 4:30 AM EST for 5 counties in Maryland. It took effect at Dec 1, 2006, 1:00 PM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Dec 1, 2006, 4:30 AM EST (09:30 UTC)
In effect from: Dec 1, 2006, 1:00 PM EST
Expired: Dec 1, 2006, 11:00 PM EST
In force: 10 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 9.5 hours before the alert went out and 120 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: 9 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1064 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 290 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 Nov 30, 9:43 PM EST, 6 hours 47 minutes earlier.

Area forecast discussion, Nov 30, 9:43 PM EST, 6 hours 47 minutes before

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Hazardous weather outlook, Nov 30, 4:04 PM EST, 12 hours 26 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.

Issued	Product	Office	Counties	Lasted
Dec 1, 3:54 AM EST	High Wind Warning	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	21 hr
Dec 1, 3:54 AM EST	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more	21 hr
Dec 1, 5:25 PM EST	Severe Thunderstorm Warning	PHI	Sussex, Warren	80 min
Dec 1, 5:55 PM EST	Tornado Warning	PHI	Warren	35 min
Dec 1, 6:07 PM EST	Severe Thunderstorm Warning	PHI	Morris	68 min
Dec 1, 4:27 PM EST	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh	78 min
Dec 1, 4:49 PM EST	Severe Thunderstorm Warning	PHI	Monroe, Northampton	71 min
Dec 1, 5:07 PM EST	Tornado Warning	PHI	Monroe	38 min
Dec 1, 5:45 PM EST	Severe Thunderstorm Warning	PHI	Lehigh, Northampton	42 min

Nearby

Coastal Flood Advisories in Maryland, 2006 Every coastal flood advisory in 2006

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.