Alert archive / Georgia / Special Weather Statements in 2009

Special Weather Statement, NWS Jacksonville, FL

October 12, 2009Coffee County, Georgia

NWS Jacksonville, FL issued this special weather statement at Oct 12, 2009, 4:17 PM EDT for Coffee County, Georgia. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 12, 2009, 4:17 PM EDT (20:17 UTC)
Expired
Oct 12, 2009, 5:00 PM EDT
In force
43 min
Issued by
NWS Jacksonville, FL

County Coffee County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.3 hours before the alert went out and 172 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2009-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2447 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2009-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2447 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<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.
      </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.

IssuedProductOfficeCountiesLasted
Oct 11, 8:06 PM EDTSpecial Weather StatementJAXAlachua24 min
Oct 11, 8:28 PM EDTSpecial Weather StatementJAXAlachua47 min
Oct 12, 6:18 PM EDTSpecial Marine WarningJAX57 min
Oct 12, 7:54 PM EDTSpecial Marine WarningJAX96 min
Oct 12, 4:31 PM EDTSpecial Weather StatementJAXEchols44 min
Oct 12, 4:47 PM EDTSpecial Weather StatementJAXJeff Davis28 min
Oct 12, 5:09 PM EDTSpecial Weather StatementJAXJeff Davis36 min
Oct 12, 5:37 PM EDTSpecial Weather StatementJAXAppling23 min
Oct 12, 7:15 PM EDTSpecial Weather StatementJAXGlynn45 min
Oct 12, 7:58 PM EDTSpecial Weather StatementJAXGlynn32 min

Nearby

Special Weather Statements in Georgia, 2009Every special weather statement 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.