Alert archive / Tennessee / Mesoscale Discussions in 2006
Mesoscale Discussion 404
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2006, 1:14 PM CDT for 6 counties in Alabama; 11 counties in Kentucky; 54 counties in Tennessee. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2006, 1:14 PM CDT (18:14 UTC)
- Expired
- Apr 2, 2006, 2:45 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 71 counties
Colbert County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Adair County, KY, Allen County, KY, Barren County, KY, Clinton County, KY, Cumberland County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Russell County, KY, Simpson County, KY, Wayne County, KY, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Campbell County, TN, Cannon County, TN, Cheatham 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, Hardin County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson 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, 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, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 71 km from the middle of the area, began a volume at 18:15 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, 6.2 hours before the alert went out and 61 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Apr 2, 10:42 AM CDT | Mesoscale Discussion | SPC | Ballard, Calloway, Carlisle, Fulton, Graves, Hickman | 93 min |
| Apr 2, 3:50 PM CDT | Tornado Watch | SPC | Fulton | 5 hr |
| Apr 2, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Bourbon, Boyle, Breathitt, Casey and 37 more | 5 hr |
| Apr 2, 5:44 PM CDT | Tornado Watch | SPC | Allen, Ballard, Barren, Breckinridge, Bullitt, Butler and 34 more | 7 hr |
| Apr 2, 4:40 PM CDT | Tornado Watch | SPC | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more | 6 hr |
Nearby
Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in Kentucky, 2006Mesoscale Discussions in Alabama, 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.