Alert archive / Florida / Wind Chill Advisories in 2010

Wind Chill Advisory 8, NWS Melbourne, FL

January 10, 20106 counties in Florida

NWS Melbourne, FL issued this wind chill advisory at Jan 10, 2010, 9:45 PM EST for 6 counties in Florida. It took effect at Jan 10, 2010, 10:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Jan 10, 2010, 9:45 PM EST (02:45 UTC)
In effect from: Jan 10, 2010, 10:00 PM EST
Expired: Jan 11, 2010, 9:00 AM EST
In force: 11 hr
Issued by: NWS Melbourne, FL

Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 02:48 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 2.8 hours before the alert went out and 73 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: -49 m²/s²
0-3 km storm-relative helicity: -81 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 wind chill 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 wind chill advisory went out at Jan 10, 9:39 PM EST, 6 minutes earlier.

Area forecast discussion, Jan 10, 9:39 PM EST, 6 minutes before

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Hazardous weather outlook, Jan 10, 11:45 AM EST, 10 hours 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 Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 11, 4:15 AM EST	Freeze Watch	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	5 hr
Jan 11, 4:36 AM EST	Red Flag Warning	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	13 hr
Jan 11, 9:13 AM EST	Freeze Warning	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	24 hr

Nearby

Wind Chill Advisories in Florida, 2010 Every wind chill advisory in 2010

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.