Alert archive / Tennessee / Mesoscale Discussions in 2003

Mesoscale Discussion 1329

June 11, 20035 states

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2003, 4:57 PM CDT for 5 states. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2003, 4:57 PM CDT (21:57 UTC)
Expired
Jun 11, 2003, 6:30 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 111 counties

Blount County, AL, Cherokee County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Winston County, AL, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Walker County, GA, Whitfield County, GA, Allen County, KY, Clinton County, KY, Cumberland County, KY, Logan County, KY, McCreary County, KY, Monroe County, KY, Simpson County, KY, Wayne County, KY, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Yalobusha County, MS, Anderson County, TN, Bedford County, TN, Benton County, TN, Bledsoe County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, McNairy County, TN, Meigs County, TN, Montgomery County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 21:58 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 watches that followed

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 122 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, Nashville Metro, TN at 12:00Z on 2003-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1603 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, Nashville Metro, TN at 12:00Z on 2003-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 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
1603 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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, 3:01 PM CDTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 3 more29 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 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 Alabama, 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; radar from the NEXRAD Level II archive.