Alert archive / Tennessee / Mesoscale Discussions in 2003

Mesoscale Discussion 1327

June 11, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2003, 3:01 PM CDT for 4 states. It was in force for 29 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2003, 3:01 PM CDT (20:01 UTC)
Expired
Jun 11, 2003, 3:30 PM CDT
In force
29 min
Issued by
the Storm Prediction Center
All 98 counties

Colbert County, AL, Fayette County, AL, Franklin County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Marion County, AL, Winston County, AL, Adair County, KY, Allen County, KY, Barren County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Cumberland County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, Metcalfe County, KY, Monroe County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Gibson County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN

The watches that followed

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.0 hours before the alert went out and 115 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, Little Rock, AR at 12:00Z on 2003-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 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, Little Rock, AR at 12:00Z on 2003-06-11The 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
67 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
214 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.

IssuedProductOfficeCountiesLasted
Jun 11, 9:21 AM CDTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Marion and 1 more54 min
Jun 11, 10:33 AM CDTMesoscale DiscussionSPCAutauga, Bibb, Bullock, Butler, Chilton, Choctaw and 25 more87 min
Jun 11, 10:45 AM CDTSevere Thunderstorm WatchSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 4 more5 hr
Jun 11, 11:50 AM CDTSevere Thunderstorm WatchSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 23 more4 hr
Jun 11, 12:26 PM CDTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 4 more64 min
Jun 11, 3:25 PM CDTSevere Thunderstorm WatchSPCBlount, Cherokee, Cullman, DeKalb, Etowah, Jackson and 6 more5 hr
Jun 11, 3:30 PM CDTSevere Thunderstorm WatchSPCColbert, Franklin, Lamar, Lauderdale, Marion5 hr
Jun 11, 4:57 PM CDTMesoscale DiscussionSPCBlount, Cherokee, Colbert, Cullman, DeKalb, Etowah and 11 more93 min
Jun 10, 7:57 PM CDTMesoscale DiscussionSPCAnderson, Bath, Boone, Bourbon, Boyle, Bracken and 54 more2 hr
Jun 11, 9:57 AM CDTMesoscale DiscussionSPCBell, Clay, Clinton, Estill, Harlan, Jackson and 11 more63 min
Jun 11, 10:30 AM CDTSevere Thunderstorm WatchSPCBell, Breathitt, Clay, Clinton, Estill, Floyd and 23 more6 hr
Jun 11, 1:13 PM CDTMesoscale DiscussionSPCBell, Breathitt, Clay, Clinton, Floyd, Harlan and 12 more92 min
Jun 11, 4:53 AM CDTMesoscale DiscussionSPCBolivar, Coahoma, DeSoto, Quitman, Tate, Tunica3 hr
Jun 11, 6:10 AM CDTSevere Thunderstorm WatchSPCBolivar, Humphreys, Sunflower, Washington5 hr
Jun 11, 7:54 AM CDTMesoscale DiscussionSPCBolivar, Humphreys, Sunflower, Washington2 hr
Jun 11, 1:53 PM CDTMesoscale DiscussionSPCBolivar, Coahoma, Tunica67 min

Nearby

Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Kentucky, 2003Every mesoscale discussion in 2003

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.