Alert archive / Tennessee / Mesoscale Discussions in 2006
Mesoscale Discussion 289
The Storm Prediction Center issued this mesoscale discussion at Mar 13, 2006, 5:41 PM CST for 4 states. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Mar 13, 2006, 5:41 PM CST (23:41 UTC)
- Expired
- Mar 13, 2006, 6:45 PM CST
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 95 counties
Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson 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, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Floyd County, GA, Gordon County, GA, Murray County, GA, Polk County, GA, Walker County, GA, Whitfield County, GA, Choctaw County, MS, Clay County, MS, Itawamba County, MS, Kemper County, MS, Lowndes County, MS, Monroe County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Tishomingo County, MS, Winston County, MS, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Bradley County, TN, Cannon County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Trousdale 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), 103 km from the middle of the area, began a volume at 23:41 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
Birmingham, AL (KBMX), launched 12:00Z, 11.7 hours before the alert went out and 130 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.
- Mixed-layer CAPE
- 37 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 12:36 PM CST | Mesoscale Discussion | SPC | Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 6 more | 114 min |
| Mar 13, 1:48 PM CST | Tornado Watch | SPC | Colbert, Cullman, Fayette, Franklin, Greene, Hale and 12 more | 6 hr |
| Mar 13, 3:32 PM CST | Mesoscale Discussion | SPC | Choctaw, Clarke, Marengo, Monroe, Washington, Wilcox | 88 min |
| Mar 13, 3:59 PM CST | Mesoscale Discussion | SPC | Blount, Colbert, Cullman, Fayette, Franklin, Jackson and 13 more | 91 min |
| Mar 13, 5:56 PM CST | Tornado Watch | SPC | Bibb, Blount, Calhoun, Cherokee, Chilton, Clay and 11 more | 4 hr |
| Mar 13, 9:02 AM CST | Mesoscale Discussion | SPC | Bolivar, Coahoma, Tunica, Washington | 58 min |
| Mar 13, 6:08 AM CST | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Dyer, Fayette and 15 more | 97 min |
| Mar 13, 6:56 AM CST | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crockett, Gibson, Henry, Houston and 4 more | 4 hr |
| Mar 13, 4:48 PM CST | Tornado Watch | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 16 more | 5 hr |
Nearby
Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in Alabama, 2006Mesoscale Discussions in Mississippi, 2006Every mesoscale discussion in 2006
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.