Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 567

April 5, 20087 counties in Florida; 34 counties in Georgia; 4 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2008, 10:45 AM EDT for 7 counties in Florida; 34 counties in Georgia; 4 counties in South Carolina. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued
Apr 5, 2008, 10:45 AM EDT (14:45 UTC)
Expired
Apr 5, 2008, 12:15 PM EDT
In force
90 min
Issued by
the Storm Prediction Center
All 45 counties

Baker County, FL, Gadsden County, FL, Hamilton County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Nassau County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Echols County, GA, Effingham 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, Screven County, GA, Tattnall County, GA, Thomas County, GA, Toombs County, GA, Ware County, GA, Wayne County, GA, Beaufort County, SC, Colleton County, SC, Hampton County, SC, Jasper County, SC

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.8 hours before the alert went out and 195 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, Tallahassee Rgnl, FL at 12:00Z on 2008-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1506 joules per kilogram.LCLEL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2008-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
1506 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
493 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.6

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.

IssuedProductOfficeCountiesLasted
Apr 4, 11:37 PM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa83 min
Apr 5, 11:25 AM EDTSevere Thunderstorm WatchSPCAlachua, Baker, Bay, Bradford, Calhoun, Clay and 22 more9 hr
Apr 5, 1:47 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 11 more88 min
Apr 5, 4:28 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Columbia, Gilchrist, Lafayette and 3 more92 min
Apr 5, 6:41 PM EDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Citrus, Clay and 20 more94 min
Apr 4, 8:12 PM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Chattahoochee and 45 more63 min
Apr 4, 8:18 PM EDTMesoscale DiscussionSPCBibb, Calhoun, Chattahoochee, Clay, Crawford, Crisp and 18 more87 min
Apr 4, 8:35 PM EDTMesoscale DiscussionSPCColumbia, Glascock, Jefferson, Lincoln, McDuffie, Richmond and 1 more115 min
Apr 4, 11:52 PM EDTMesoscale DiscussionSPCAiken, Calhoun, Chesterfield, Darlington, Dillon, Edgefield and 10 more53 min

Nearby

Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Florida, 2008Mesoscale Discussions in South Carolina, 2008Every mesoscale discussion in 2008

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.