Alert archive / Tennessee / Mesoscale Discussions in 2005
Mesoscale Discussion 422
The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2005, 5:07 PM CST for 4 states. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2005, 5:07 PM CST (23:07 UTC)
- Expired
- Mar 27, 2005, 6:30 PM CST
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 87 counties
Adair County, KY, Allen County, KY, Barren County, KY, Bell County, KY, Butler County, KY, Casey County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Green County, KY, Harlan County, KY, Hart County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Leslie County, KY, Lincoln County, KY, Logan County, KY, Marion County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY, Wayne County, KY, Whitley County, KY, Buncombe County, NC, Cherokee County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Madison County, NC, Swain County, NC, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Campbell County, TN, Cannon County, TN, Claiborne County, TN, Clay County, TN, Cocke County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Grundy County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Macon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Overton 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, Sevier County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Wilson County, TN, Lee County, VA
The radar
The Knoxville radar (KMRX), 95 km from the middle of the area, began a volume at 23:06 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, 11.1 hours before the alert went out and 196 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 437 m²/s²
- 0-3 km storm-relative helicity
- 572 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 27, 12:50 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 56 more | 2 hr |
| Mar 27, 5:45 PM CST | Severe Thunderstorm Watch | SPC | Bath, Bell, Breathitt, Carter, Clark, Clay and 28 more | 4 hr |
| Mar 27, 3:25 PM CST | Severe Thunderstorm Watch | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 9 more | 7 hr |
Nearby
Mesoscale Discussions in Tennessee, 2005Mesoscale Discussions in Kentucky, 2005Mesoscale Discussions in North Carolina, 2005Every 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.