Alert archive / Tennessee / Tornado Warnings in 2021
Tornado Warning 58, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Dec 11, 2021, 3:46 AM CST for 4 counties in Tennessee. It was in force for 44 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Dec 11, 2021, 3:46 AM CST (09:46 UTC)
- Expired
- Dec 11, 2021, 4:30 AM CST
- In force
- 44 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Clay County, TN, Macon County, TN, Sumner County, TN, Trousdale County, TN
The radar
The Nashville radar (KOHX), 53 km from the middle of the area, began a volume at 09:49 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 11, 4:22 AM CST | TSTM WND DMG | 8 Ne Red Boiling Spring, TN | TREES DOWN NEAR OLD CLEMENTSVILLE ROAD, DAMAGE TO CHICKEN HOUSES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 10, 6:21 PM CST | Tornado Watch | SPC | 10 hr |
| Dec 10, 10:44 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 11, 3:41 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.8 hours before the alert went out and 64 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
- 182 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 391 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
867
WFUS54 KOHX 110946
TOROHX
TNC027-111-165-169-111030-
/O.NEW.KOHX.TO.W.0058.211211T0946Z-211211T1030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
346 AM CST Sat Dec 11 2021
The National Weather Service in Nashville has issued a
* Tornado Warning for...
Northeastern Sumner County in Middle Tennessee...
Northwestern Clay County in Middle Tennessee...
Macon County in Middle Tennessee...
Northwestern Trousdale County in Middle Tennessee...
* Until 430 AM CST.
* At 345 AM CST, a severe thunderstorm capable of producing a tornado
was located near Gallatin, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Westmoreland around 355 AM CST.
Lafayette around 410 AM CST.
Other locations impacted by this tornadic thunderstorm include
Bethpage, Bledsoe Creek State Park and Bugtussle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3662 8567 3634 8641 3650 8652 3664 8624
TIME...MOT...LOC 0945Z 241DEG 49KT 3646 8639
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
102 follow-up statements
371
WWUS54 KOHX 111009
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
409 AM CST Sat Dec 11 2021
TNC027-165-169-111018-
/O.CAN.KOHX.TO.W.0058.000000T0000Z-211211T1030Z/
Sumner TN-Clay TN-Trousdale TN-
409 AM CST Sat Dec 11 2021
...THE TORNADO WARNING FOR NORTHEASTERN SUMNER...NORTHWESTERN CLAY
AND NORTHWESTERN TROUSDALE COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 500 AM CST for Middle
Tennessee. A Tornado Watch also remains in effect until 1100 AM CST
for Middle Tennessee.
LAT...LON 3663 8602 3662 8579 3661 8579 3661 8580
3657 8580 3646 8611 3658 8616 3664 8613
TIME...MOT...LOC 1008Z 241DEG 49KT 3662 8604
$$
TNC111-111030-
/O.CON.KOHX.TO.W.0058.000000T0000Z-211211T1030Z/
Macon TN-
409 AM CST Sat Dec 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM CST FOR
NORTHWESTERN MACON COUNTY...
At 408 AM CST, a severe thunderstorm capable of producing a tornado
was located near Lafayette, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Macon County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3663 8602 3662 8579 3661 8579 3661 8580
3657 8580 3646 8611 3658 8616 3664 8613
TIME...MOT...LOC 1008Z 241DEG 49KT 3662 8604
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
10091
WWUS54 KOHX 111022
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
422 AM CST Sat Dec 11 2021
TNC111-111032-
/O.EXP.KOHX.TO.W.0058.000000T0000Z-211211T1030Z/
Macon TN-
422 AM CST Sat Dec 11 2021
...THE TORNADO WARNING FOR NORTHWESTERN MACON COUNTY WILL EXPIRE AT
430 AM CST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 500 AM CST for Middle
Tennessee. A Tornado Watch also remains in effect until 1100 AM CST
for Middle Tennessee.
LAT...LON 3663 8602 3662 8579 3661 8579 3661 8580
3657 8580 3646 8611 3658 8616 3664 8613
TIME...MOT...LOC 1022Z 241DEG 49KT 3670 8586
$$
10The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 11:29 PM CST | Tornado Warning | OHX | Stewart | 46 min |
| Dec 11, 12:03 AM CST | Tornado Warning | OHX | Montgomery, Stewart | 16 min |
| Dec 11, 12:19 AM CST | Severe Thunderstorm Warning | OHX | Montgomery, Stewart | 41 min |
| Dec 11, 1:28 AM CST | Severe Thunderstorm Warning | OHX | Stewart | 21 min |
| Dec 11, 1:47 AM CST | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Houston, Humphreys, Lewis, Montgomery and 2 more | 73 min |
| Dec 11, 2:03 AM CST | Tornado Warning | OHX | Houston, Humphreys, Stewart | 27 min |
| Dec 11, 2:07 AM CST | Tornado Warning | OHX | Dickson, Hickman, Humphreys, Perry | 38 min |
| Dec 11, 2:23 AM CST | Tornado Warning | OHX | Dickson, Houston, Montgomery, Stewart | 37 min |
| Dec 11, 2:38 AM CST | Tornado Warning | OHX | Dickson, Hickman, Humphreys | 37 min |
| Dec 11, 2:39 AM CST | Tornado Warning | OHX | Cheatham, Dickson, Montgomery | 14 min |
| Dec 11, 2:47 AM CST | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Hickman, Lewis, Maury and 5 more | 58 min |
| Dec 11, 2:58 AM CST | Tornado Warning | OHX | Cheatham, Davidson, Dickson, Williamson | 32 min |
| Dec 11, 2:59 AM CST | Tornado Warning | OHX | Davidson, Williamson | 31 min |
| Dec 11, 3:19 AM CST | Severe Thunderstorm Warning | OHX | Davidson, Hickman, Lewis, Marshall, Maury, Robertson and 5 more | 41 min |
| Dec 11, 3:21 AM CST | Tornado Warning | OHX | Davidson, Sumner, Wilson | 39 min |
| Dec 11, 3:29 AM CST | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Smith, Sumner, Trousdale, Williamson and 1 more | 46 min |
| Dec 11, 3:33 AM CST | Tornado Warning | OHX | Davidson, Macon, Smith, Sumner, Trousdale, Wilson | 42 min |
| Dec 11, 3:48 AM CST | Severe Thunderstorm Warning | OHX | Lewis, Perry, Wayne | 42 min |
| Dec 11, 3:50 AM CST | Severe Thunderstorm Warning | OHX | Clay, DeKalb, Jackson, Macon, Putnam, Smith and 3 more | 17 min |
| Dec 11, 3:56 AM CST | Tornado Warning | OHX | Lewis, Perry, Wayne | 13 min |
| Dec 11, 4:07 AM CST | Tornado Warning | OHX | Clay, Jackson, Macon, Overton, Smith, Trousdale | 38 min |
| Dec 11, 4:11 AM CST | Severe Thunderstorm Warning | OHX | Clay, Fentress, Jackson, Macon, Overton, Pickett and 4 more | 34 min |
| Dec 11, 4:33 AM CST | Tornado Warning | OHX | Clay, Fentress, Overton, Pickett | 42 min |
| Dec 11, 5:01 AM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Lewis, Marshall, Maury | 29 min |
| Dec 11, 5:21 AM CST | Severe Thunderstorm Warning | OHX | Overton, Putnam | 27 min |
| Dec 11, 5:39 AM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Wayne | 36 min |
| Dec 11, 5:56 AM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Marshall, Maury | 34 min |
| Dec 11, 6:13 AM CST | Tornado Warning | OHX | Giles | 15 min |
| Dec 11, 6:58 AM CST | Severe Thunderstorm Warning | OHX | Bedford, Coffee, Grundy, Warren | 32 min |
| Dec 11, 7:22 AM CST | Severe Thunderstorm Warning | OHX | Coffee, Grundy | 38 min |
| Dec 11, 7:35 AM CST | Tornado Warning | OHX | Grundy | 25 min |
Nearby
Tornado Warnings in Tennessee, 2021Every tornado warning in 2021Tornadoes in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.