Alert archive / Florida / Lake Wind Advisories in 2009

Lake Wind Advisory 4, NWS Melbourne, FL

March 1, 20096 counties in Florida

NWS Melbourne, FL issued this lake wind advisory at Mar 1, 2009, 5:21 AM EST for 6 counties in Florida. It took effect at Mar 1, 2009, 9:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Mar 1, 2009, 5:21 AM EST (10:21 UTC)
In effect from: Mar 1, 2009, 9:00 AM EST
Expired: Mar 1, 2009, 6:00 PM EST
In force: 9 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 10:25 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 00:00Z, 10.4 hours before the alert went out and 236 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: 1572 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 244 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 lake wind 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 lake wind advisory went out at Mar 1, 4:30 AM EST, 51 minutes earlier.

Area forecast discussion, Mar 1, 4:30 AM EST, 51 minutes before

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Hazardous weather outlook, Feb 28, 8:25 PM EST, 8 hours 56 minutes before

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</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>
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        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
Mar 1, 2:00 PM EST	Wind Chill Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	18 hr
Mar 1, 2:13 PM EST	Fire Weather Watch	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	24 hr
Mar 1, 2:13 PM EST	Red Flag Warning	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	28 hr

Nearby

Lake Wind Advisories in Florida, 2009 Every lake wind advisory in 2009

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.