Alert archive / Tennessee / Tornado Watches in 2025
Tornado Watch 48
The Storm Prediction Center issued this tornado watch at Mar 15, 2025, 5:58 PM EDT for 14 counties in Georgia; Cherokee County, North Carolina; 18 counties in Tennessee. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 15, 2025, 5:58 PM EDT (21:58 UTC)
- Expired
- Mar 16, 2025, 1:00 AM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 65 kt
All 33 counties
Catoosa County, GA, Chattooga County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Cherokee County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Hamilton 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
The radar
The Knoxville radar (KMRX), 91 km from the middle of the area, began a volume at 21:57 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 70%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 6:10 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Sequatchie | 51 min |
| Mar 15, 6:35 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 25 min |
| Mar 15, 6:36 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 39 min |
| Mar 15, 6:37 PM EDT | Severe Thunderstorm Warning | MRX | Marion, Sequatchie | 53 min |
| Mar 15, 6:41 PM EDT | Tornado Warning | MRX | Bledsoe | 19 min |
| Mar 15, 6:46 PM EDT | Tornado Warning | MRX | Bradley, Hamilton, Meigs | 24 min |
| Mar 15, 6:57 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton, McMinn, Meigs, Rhea | 48 min |
| Mar 15, 7:20 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea, Sequatchie | 55 min |
| Mar 15, 7:22 PM EDT | Tornado Warning | MRX | Morgan, Scott | 23 min |
| Mar 15, 7:24 PM EDT | Tornado Warning | MRX | Bledsoe, Rhea, Sequatchie | 51 min |
| Mar 15, 7:30 PM EDT | Severe Thunderstorm Warning | MRX | Loudon, McMinn, Meigs, Monroe, Roane | 45 min |
| Mar 15, 7:40 PM EDT | Tornado Warning | MRX | Loudon, McMinn, Monroe, Roane | 33 min |
| Mar 15, 7:44 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Morgan, Scott | 61 min |
| Mar 15, 7:53 PM EDT | Flash Flood Warning | MRX | Bledsoe, Bradley, Hamilton, Marion, Meigs, Rhea and 1 more | 4 hr |
| Mar 15, 8:02 PM EDT | Tornado Warning | MRX | Anderson, Knox, Loudon, Roane | 43 min |
| Mar 15, 8:31 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Knox, Union | 26 min |
| Mar 15, 8:41 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 34 min |
| Mar 15, 8:52 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 38 min |
| Mar 15, 8:54 PM EDT | Flash Flood Warning | MRX | Anderson, Loudon, McMinn, Meigs, Roane | 3 hr |
| Mar 15, 8:56 PM EDT | Tornado Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 34 min |
| Mar 15, 8:58 PM EDT | Tornado Warning | FFC | Fannin, Gilmer | 17 min |
| Mar 15, 10:55 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Carroll, Cobb, Coweta, Douglas, Floyd and 6 more | 65 min |
| Mar 15, 11:59 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Pickens | 31 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 217 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
- 9 J/kg
- Mixed-layer CIN
- -389 J/kg
- Mixed-layer LCL
- 1906 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 686 m²/s²
- 0-3 km storm-relative helicity
- 792 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 7:21 PM EDT | Mesoscale Discussion | SPC | Catoosa, Chattooga, Dade, Murray, Walker, Whitfield | 114 min |
| Mar 14, 8:34 PM EDT | Tornado Watch | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 10 hr |
| Mar 14, 11:20 PM EDT | Mesoscale Discussion | SPC | Lake | 115 min |
| Mar 15, 12:50 AM EDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 115 min |
| Mar 15, 3:03 AM EDT | Mesoscale Discussion | SPC | Bedford, Cheatham, Davidson, Dickson, Giles, Hickman and 17 more | 87 min |
| Mar 15, 3:34 AM EDT | Tornado Watch | SPC | Bedford, Cannon, Coffee, Franklin, Giles, Hickman and 10 more | 4 hr |
| Mar 15, 6:58 AM EDT | Tornado Watch | SPC | Fayette, Hardeman, Hardin, McNairy | 7 hr |
| Mar 15, 9:04 AM EDT | Mesoscale Discussion | SPC | Fayette, Hardeman, McNairy | 86 min |
| Mar 15, 10:25 AM EDT | Mesoscale Discussion | SPC | Chester, Fayette, Hardeman, Hardin, McNairy, Shelby | 95 min |
| Mar 15, 1:30 PM EDT | Mesoscale Discussion | SPC | Bedford, Bledsoe, Cannon, Coffee, Cumberland, Davidson and 31 more | 60 min |
| Mar 15, 1:51 PM EDT | Tornado Watch | SPC | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 31 more | 8 hr |
| Mar 15, 3:15 PM EDT | Mesoscale Discussion | SPC | Bedford, Bledsoe, Cannon, Coffee, Cumberland, Davidson and 21 more | 90 min |
| Mar 15, 4:56 PM EDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 29 more | 94 min |
Nearby
Tornado Watches in Tennessee, 2025Tornado Watches in Georgia, 2025Tornado Watches in North Carolina, 2025Every tornado watch in 2025
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.