Alert archive / Tennessee / Mesoscale Discussions in 2026
Mesoscale Discussion 45
The Storm Prediction Center issued this mesoscale discussion at Jan 24, 2026, 12:17 PM CST for 5 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 24, 2026, 12:17 PM CST (18:17 UTC)
- Expired
- Jan 24, 2026, 5:45 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Freezing rain
All 82 counties
Colbert County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Morgan County, AL, Winston County, AL, Catoosa County, GA, Dade County, GA, Walker County, GA, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Monroe County, MS, Montgomery County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Tallahatchie County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Webster County, MS, Yalobusha County, MS, Cherokee County, NC, Clay County, NC, Graham County, NC, Swain County, NC, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Cannon County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hardin County, TN, Jefferson County, TN, Knox County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, McNairy County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN
The radar
The Northeast Alabama radar (KHTX), 29 km from the middle of the area, began a volume at 18:20 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
Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 208 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
- 1295 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 428 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 |
|---|---|---|---|---|
| Jan 24, 5:54 AM CST | Mesoscale Discussion | SPC | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 6 hr |
| Jan 23, 11:26 PM CST | Mesoscale Discussion | SPC | Bolivar, Coahoma, Sunflower, Washington | 5 hr |
| Jan 24, 8:53 AM CST | Mesoscale Discussion | SPC | Bolivar, Carroll, Coahoma, Grenada, Holmes, Humphreys and 7 more | 5 hr |
| Jan 24, 5:45 PM CST | Mesoscale Discussion | SPC | Alamance, Alexander, Alleghany, Anson, Ashe, Avery and 28 more | 5 hr |
Nearby
Mesoscale Discussions in Tennessee, 2026Mesoscale Discussions in Mississippi, 2026Mesoscale Discussions in Alabama, 2026Every mesoscale discussion in 2026
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.