Alert archive / Tennessee / Mesoscale Discussions in 2005

Mesoscale Discussion 2441

November 15, 200511 counties in Tennessee

The Storm Prediction Center issued this mesoscale discussion at Nov 15, 2005, 10:18 PM CST for 11 counties in Tennessee. It was in force for 27 min.

The area

The outline as issued.

The facts

Issued: Nov 15, 2005, 10:18 PM CST (04:18 UTC)
Expired: Nov 15, 2005, 10:45 PM CST
In force: 27 min
Issued by: the Storm Prediction Center

Counties Coffee County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Grundy County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Van Buren County, TN, Warren County, TN, White County, TN

The radar

The Nashville radar (KOHX), 107 km from the middle of the area, began a volume at 04:18 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

Nashville Metro, TN (KBNA), launched 00:00Z, 4.3 hours before the alert went out and 107 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: 554 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 421 m²/s²
0-3 km storm-relative helicity: 506 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 5.9

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
Nov 15, 7:51 PM CST	Mesoscale Discussion	SPC	Anderson, Blount, Campbell, Claiborne, Cocke, Grainger and 12 more	54 min
Nov 15, 9:00 PM CST	Tornado Watch	SPC	Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 19 more	5 hr
Nov 15, 11:07 PM CST	Mesoscale Discussion	SPC	Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 17 more	53 min
Nov 16, 2:03 AM CST	Mesoscale Discussion	SPC	Carter, Cocke, Greene, Hamblen, Hawkins, Jefferson and 5 more	117 min

Nearby

Mesoscale Discussions in Tennessee, 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.