Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 293

March 14, 2005Nassau County, Florida; 30 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2005, 4:51 PM EST for Nassau County, Florida; 30 counties in Georgia. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Mar 14, 2005, 4:51 PM EST (21:51 UTC)
Expired: Mar 14, 2005, 6:45 PM EST
In force: 114 min
Issued by: the Storm Prediction Center

All 31 counties

Nassau County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Echols County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Jeff Davis County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Pierce County, GA, Tattnall County, GA, Thomas County, GA, Tift County, GA, Ware County, GA, Wayne County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.9 hours before the alert went out and 133 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: 169 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 14, 10:41 AM EST	Mesoscale Discussion	SPC	Citrus, Hernando, Lake, Orange, Pasco, Seminole and 2 more	64 min
Mar 14, 1:05 PM EST	Mesoscale Discussion	SPC	Baker, Duval, Hamilton, Jefferson, Madison, Nassau	115 min
Mar 14, 1:40 PM EST	Severe Thunderstorm Watch	SPC	Appling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 40 more	5 hr

Nearby

Mesoscale Discussions in Georgia, 2005 Mesoscale Discussions in Florida, 2005 Every mesoscale discussion in 2005

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.