Alert archive / Florida / Areal Flood Advisories in 2012

Areal Flood Advisory 2, NWS Melbourne, FL

May 16, 2012Volusia County, Florida

NWS Melbourne, FL issued this areal flood advisory at May 16, 2012, 2:00 PM EDT for Volusia County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: May 16, 2012, 2:00 PM EDT (18:00 UTC)
Expired: May 16, 2012, 3:00 PM EDT
In force: 60 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 18:02 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

Jacksonville, FL (KJAX), launched 12:00Z, 6.0 hours before the alert went out and 168 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: 1809 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Melbourne, FL wrote its last area forecast discussion before this areal flood advisory went out at May 16, 10:15 AM EDT, 3 hours 45 minutes earlier.

Area forecast discussion, May 16, 10:15 AM EDT, 3 hours 45 minutes before

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Hazardous weather outlook, May 16, 10:55 AM EDT, 3 hours 5 minutes before

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In the hours before

Local storm report, May 16, 8:29 AM EDT, 5 hours 31 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.
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The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 6:10 PM EDT	Special Weather Statement	MLB	Osceola	35 min
May 16, 7:00 PM EDT	Special Weather Statement	MLB	Indian River	45 min
May 16, 7:29 PM EDT	Special Weather Statement	MLB	Brevard	46 min
May 16, 7:34 PM EDT	Special Marine Warning	MLB		116 min
May 16, 7:44 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	46 min

Nearby

Areal Flood Advisories in Florida, 2012 Every areal flood advisory in 2012

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.