Alert archive / Tennessee / Mesoscale Discussions in 2020
Mesoscale Discussion 1035
The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2020, 11:49 AM CDT for 5 counties in Kentucky; 8 counties in North Carolina; 35 counties in Tennessee. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2020, 11:49 AM CDT (16:49 UTC)
- Expired
- Jun 28, 2020, 2:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
All 48 counties
Allen County, KY, Logan County, KY, Monroe County, KY, Simpson County, KY, Warren County, KY, Buncombe County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Transylvania County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Campbell County, TN, Claiborne County, TN, Clay County, TN, Cocke County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen 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, Scott County, TN, Sevier County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, White County, TN
The radar
The Nashville radar (KOHX), 129 km from the middle of the area, began a volume at 16:51 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 nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 4.8 hours before the alert went out and 133 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
- 1324 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
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 |
|---|---|---|---|---|
| Jun 28, 4:33 PM CDT | Mesoscale Discussion | SPC | Anson, Brunswick, Cleveland, Columbus, Gaston, Mecklenburg and 4 more | 87 min |
Nearby
Mesoscale Discussions in Tennessee, 2020Mesoscale Discussions in North Carolina, 2020Mesoscale Discussions in Kentucky, 2020Every mesoscale discussion in 2020
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.