Alert archive / Tennessee / Mesoscale Discussions in 2022
Mesoscale Discussion 673
The Storm Prediction Center issued this mesoscale discussion at May 6, 2022, 1:04 PM EDT for 5 states. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- May 6, 2022, 1:04 PM EDT (17:04 UTC)
- Expired
- May 6, 2022, 2:30 PM EDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 66 counties
Dawson County, GA, Fannin County, GA, Gilmer County, GA, Habersham County, GA, Lumpkin County, GA, Murray County, GA, Rabun County, GA, Towns County, GA, Union County, GA, White County, GA, Bell County, KY, Clay County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, McCreary County, KY, Perry County, KY, Whitley County, KY, Buncombe County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Anderson 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, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon 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, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Scott County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 17:05 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, 5.1 hours before the alert went out and 266 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
- 260 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| May 6, 6:42 AM EDT | Mesoscale Discussion | SPC | Clay, Early, Seminole | 93 min |
| May 6, 11:39 AM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Barrow and 101 more | 2 hr |
| May 6, 12:57 PM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 67 more | 7 hr |
| May 6, 1:41 PM EDT | Tornado Watch | SPC | Banks, Catoosa, Dawson, Elbert, Fannin, Franklin and 13 more | 6 hr |
| May 6, 3:22 PM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 66 more | 113 min |
| May 6, 3:47 PM EDT | Severe Thunderstorm Watch | SPC | Brantley, Bryan, Bulloch, Burke, Camden, Candler and 18 more | 6 hr |
| May 6, 4:03 PM EDT | Mesoscale Discussion | SPC | Fannin, Habersham, Hart, Rabun, Stephens, Towns and 2 more | 57 min |
| May 6, 6:15 PM EDT | Mesoscale Discussion | SPC | Charlton, Clinch, Echols | 60 min |
| May 6, 2:06 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boone, Boyle and 43 more | 69 min |
| May 6, 1:53 PM EDT | Mesoscale Discussion | SPC | Alamance, Bertie, Caswell, Chatham, Chowan, Davidson and 30 more | 2 hr |
| May 6, 2:32 PM EDT | Tornado Watch | SPC | Alamance, Anson, Beaufort, Bertie, Camden, Caswell and 48 more | 9 hr |
| May 6, 5:50 PM EDT | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, New Hanover, Onslow, Pender and 1 more | 55 min |
| May 6, 5:51 PM EDT | Mesoscale Discussion | SPC | Alamance, Beaufort, Bertie, Camden, Caswell, Chatham and 33 more | 84 min |
| May 6, 6:29 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 21 more | 91 min |
| May 6, 6:41 PM EDT | Severe Thunderstorm Watch | SPC | Bladen, Columbus, Robeson | 2 hr |
Nearby
Mesoscale Discussions in Tennessee, 2022Mesoscale Discussions in North Carolina, 2022Mesoscale Discussions in Georgia, 2022Every mesoscale discussion in 2022
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.