Alert archive / Tennessee / Mesoscale Discussions in 2024
Mesoscale Discussion 355
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2024, 5:33 PM EDT for 5 counties in North Carolina; 35 counties in Tennessee. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2024, 5:33 PM EDT (21:33 UTC)
- Expired
- Apr 2, 2024, 7:00 PM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 60%
All 40 counties
Cherokee County, NC, Graham County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Cumberland County, TN, Grainger County, TN, Greene County, TN, Grundy County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Van Buren County, TN, Washington County, TN
The radar
The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 21:33 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, 9.6 hours before the alert went out and 226 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
- 241 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 9:32 AM EDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Decatur and 23 more | 88 min |
| Apr 2, 10:50 AM EDT | Tornado Watch | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Chester and 41 more | 5 hr |
| Apr 2, 1:25 PM EDT | Mesoscale Discussion | SPC | Benton, Cannon, Carroll, Cheatham, Clay, Davidson and 27 more | 2 hr |
| Apr 2, 3:49 PM EDT | Mesoscale Discussion | SPC | Anderson, Bedford, Benton, Bledsoe, Campbell, Cannon and 50 more | 116 min |
| Apr 2, 4:08 PM EDT | Tornado Watch | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Chester and 45 more | 6 hr |
| Apr 2, 5:34 PM EDT | Mesoscale Discussion | SPC | Benton, Cheatham, Dickson, Houston, Humphreys, Montgomery and 2 more | 86 min |
| Apr 2, 6:07 PM EDT | Tornado Watch | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 25 more | 7 hr |
Nearby
Mesoscale Discussions in Tennessee, 2024Mesoscale Discussions in North Carolina, 2024Every mesoscale discussion in 2024
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.