Alert archive / Georgia / Mesoscale Discussions in 2005

Mesoscale Discussion 2598

December 28, 200528 counties in Georgia; 16 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Dec 28, 2005, 5:58 PM EST for 28 counties in Georgia; 16 counties in South Carolina. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Dec 28, 2005, 5:58 PM EST (22:58 UTC)
Expired: Dec 28, 2005, 7:30 PM EST
In force: 92 min
Issued by: the Storm Prediction Center

All 44 counties

Appling County, GA, Bacon County, GA, Ben Hill County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Coffee County, GA, Dodge County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Long County, GA, Montgomery County, GA, Pierce County, GA, Richmond County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Wayne County, GA, Wheeler County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC, Lee County, SC, Lexington County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC

The radar

The Charleston,SC radar (KCLX), 40 km from the middle of the area, began a volume at 22:58 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

Charleston AFB, SC (KCHS), launched 12:00Z, 11.0 hours before the alert went out and 121 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: 1627 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 28, 12:21 PM EST	Mesoscale Discussion	SPC	Catoosa, Chattooga, Dade, Murray, Walker, Whitfield	114 min
Dec 28, 12:58 PM EST	Mesoscale Discussion	SPC	Atkinson, Baker, Baldwin, Ben Hill, Berrien, Bibb and 66 more	2 hr
Dec 28, 1:40 PM EST	Tornado Watch	SPC	Baker, Baldwin, Barrow, Ben Hill, Berrien, Bibb and 84 more	6 hr
Dec 28, 3:19 PM EST	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 111 more	116 min
Dec 28, 3:51 PM EST	Tornado Watch	SPC	Appling, Atkinson, Bacon, Brantley, Bulloch, Burke and 27 more	6 hr

Nearby

Mesoscale Discussions in Georgia, 2005 Mesoscale Discussions in South Carolina, 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; radar from the NEXRAD Level II archive.