Alert archive / Georgia / Wind Advisories in 2023

Wind Advisory 3, NWS Jacksonville, FL

February 12, 202312 counties in Florida; 14 counties in Georgia

NWS Jacksonville, FL issued this wind advisory at Feb 12, 2023, 1:13 AM EST for 12 counties in Florida; 14 counties in Georgia. It took effect at Feb 12, 2023, 6:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Feb 12, 2023, 1:13 AM EST (06:13 UTC)
In effect from: Feb 12, 2023, 6:00 AM EST
Expired: Feb 12, 2023, 5:50 PM EST
In force: 12 hr
Issued by: NWS Jacksonville, FL

All 26 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Duval County, FL, Flagler County, FL, Gilchrist County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 6.2 hours before the alert went out and 294 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: 1021 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1036 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 242 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 10.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this wind advisory went out at Feb 12, 12:20 AM EST, 53 minutes earlier.

Area forecast discussion, Feb 12, 12:20 AM EST, 53 minutes before

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In the hours before

Special weather statement, Feb 11, 7:14 PM EST, 5 hours 59 minutes before

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Special weather statement, Feb 11, 7:33 PM EST, 5 hours 40 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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Special weather statement, Feb 11, 8:20 PM EST, 4 hours 53 minutes before

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<head>
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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>
      <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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Local storm report, Feb 11, 10:23 PM EST, 2 hours 50 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>
      <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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Local storm report, Feb 11, 11:51 PM EST, 1 hour 22 minutes before

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<html lang="en">
<head>
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  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 11, 7:14 PM EST	Special Weather Statement	JAX	Marion	46 min
Feb 11, 7:33 PM EST	Special Weather Statement	JAX	Duval, Flagler, Saint Johns	27 min
Feb 11, 7:40 PM EST	Special Marine Warning	JAX		41 min
Feb 11, 8:20 PM EST	Special Weather Statement	JAX	Marion	25 min
Feb 11, 8:41 PM EST	Special Marine Warning	JAX		64 min
Feb 12, 3:01 PM EST	Small Craft Advisory	JAX		14 hr
Feb 12, 3:02 AM EST	River Flood Warning	JAX	Long, Wayne	21 days
Feb 12, 3:04 AM EST	River Flood Warning	JAX	Glynn, McIntosh, Wayne	30 hr
Feb 12, 8:39 AM EST	River Flood Warning	JAX	Pierce, Ware	6 days

Nearby

Wind Advisories in Georgia, 2023 Wind Advisories in Florida, 2023 Every wind advisory in 2023

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.