Alert archive / Tennessee / Tornado Watches in 2022
Tornado Watch 3
The Storm Prediction Center issued this tornado watch at Jan 1, 2022, 10:50 AM CST for 20 counties in Kentucky; 36 counties in Tennessee. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 1, 2022, 10:50 AM CST (16:50 UTC)
- Expired
- Jan 1, 2022, 6:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 56 counties
Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Green County, KY, Hart County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Marion County, KY, Metcalfe County, KY, Monroe County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY, Bedford County, TN, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 45 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.
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
- 70%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
33 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 11:00 AM CST | Severe Thunderstorm Warning | LMK | Edmonson | 15 min |
| Jan 1, 11:08 AM CST | Tornado Warning | LMK | Edmonson, Hart | 22 min |
| Jan 1, 11:10 AM CST | Severe Thunderstorm Warning | OHX | Montgomery, Robertson | 35 min |
| Jan 1, 11:18 AM CST | Severe Thunderstorm Warning | LMK | Logan | 27 min |
| Jan 1, 11:21 AM CST | Severe Thunderstorm Warning | MEG | Benton | 24 min |
| Jan 1, 11:24 AM CST | Tornado Warning | LMK | Logan, Simpson | 21 min |
| Jan 1, 11:30 AM CST | Severe Thunderstorm Warning | OHX | Houston, Humphreys | 30 min |
| Jan 1, 11:39 AM CST | Tornado Warning | LMK | Logan, Simpson, Warren | 36 min |
| Jan 1, 11:43 AM CST | Tornado Warning | LMK | Logan, Simpson, Warren | 32 min |
| Jan 1, 11:45 AM CST | Severe Thunderstorm Warning | MEG | Chester, Decatur, Henderson, Madison | 45 min |
| Jan 1, 11:46 AM CST | Severe Thunderstorm Warning | LMK | Marion, Washington | 14 min |
| Jan 1, 11:59 AM CST | Severe Thunderstorm Warning | OHX | Hickman, Perry | 31 min |
| Jan 1, 12:08 PM CST | Tornado Warning | LMK | Marion, Taylor | 22 min |
| Jan 1, 12:08 PM CST | Tornado Warning | LMK | Barren, Edmonson, Green, Hart, Metcalfe | 37 min |
| Jan 1, 12:14 PM CST | Severe Thunderstorm Warning | LMK | Green, Taylor | 16 min |
| Jan 1, 12:18 PM CST | Severe Thunderstorm Warning | OHX | Hickman, Humphreys, Perry | 27 min |
| Jan 1, 12:28 PM CST | Tornado Warning | OHX | Dickson, Hickman, Humphreys | 19 min |
| Jan 1, 12:30 PM CST | Severe Thunderstorm Warning | LMK | Barren, Metcalfe | 30 min |
| Jan 1, 12:43 PM CST | Severe Thunderstorm Warning | OHX | Hickman, Maury, Williamson | 47 min |
| Jan 1, 12:46 PM CST | Severe Thunderstorm Warning | LMK | Adair, Casey, Green, Marion, Taylor | 29 min |
| Jan 1, 12:52 PM CST | Severe Thunderstorm Warning | LMK | Adair, Green, Metcalfe | 23 min |
| Jan 1, 12:56 PM CST | Tornado Warning | OHX | Hickman, Maury, Williamson | 16 min |
| Jan 1, 1:02 PM CST | Severe Thunderstorm Warning | OHX | Clay, Davidson, Macon, Rutherford, Smith, Sumner and 3 more | 43 min |
| Jan 1, 1:08 PM CST | Severe Thunderstorm Warning | LMK | Allen, Monroe | 37 min |
| Jan 1, 1:29 PM CST | Severe Thunderstorm Warning | OHX | Clay, Jackson, Macon, Smith, Wilson | 31 min |
| Jan 1, 1:34 PM CST | Severe Thunderstorm Warning | LMK | Clinton, Cumberland, Metcalfe, Monroe | 26 min |
| Jan 1, 1:53 PM CST | Severe Thunderstorm Warning | LMK | Clinton, Cumberland, Russell | 37 min |
| Jan 1, 2:07 PM CST | Severe Thunderstorm Warning | OHX | Giles, Marshall | 23 min |
| Jan 1, 2:25 PM CST | Severe Thunderstorm Warning | OHX | Clay, Fentress, Overton, Pickett | 35 min |
| Jan 1, 2:53 PM CST | Severe Thunderstorm Warning | OHX | Bedford, Coffee | 26 min |
| Jan 1, 4:11 PM CST | Severe Thunderstorm Warning | OHX | Giles | 19 min |
| Jan 1, 4:14 PM CST | Tornado Warning | OHX | Giles | 16 min |
| Jan 1, 5:08 PM CST | Severe Thunderstorm Warning | OHX | Bedford, Coffee, Grundy, Warren | 37 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, 4.8 hours before the alert went out and 57 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
- 379 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.6
The text
As transmitted.
802
WWUS20 KWNS 011648
SEL3
SPC WW 011648
KYZ000-TNZ000-020000-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 3
NWS Storm Prediction Center Norman OK
1050 AM CST Sat Jan 1 2022
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
South-central Kentucky
Western to middle Tennessee
* Effective this Saturday morning and evening from 1050 AM until
600 PM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
SUMMARY...An intensifying squall line should spread east-northeast
with a threat for damaging winds and embedded tornadoes. A couple
pre-frontal supercells may develop as well with the possibility of a
strong tornado.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 90 miles east northeast of Bowling
Green KY to 35 miles south southeast of Jackson TN. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 24045.
...GramsSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 9:31 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 67 more | 2 hr |
| Dec 31, 11:57 PM CST | Tornado Watch | SPC | Adair, Allen, Barren, Butler, Calloway, Carlisle and 33 more | 7 hr |
| Jan 1, 2:07 AM CST | Mesoscale Discussion | SPC | Allen, Barren, Butler, Calloway, Christian, Cumberland and 9 more | 113 min |
| Jan 1, 10:29 AM CST | Mesoscale Discussion | SPC | Adair, Allen, Barren, Butler, Casey, Edmonson and 10 more | 61 min |
| Jan 1, 12:38 PM CST | Mesoscale Discussion | SPC | Adair, Casey, Clay, Clinton, Cumberland, Estill and 17 more | 97 min |
| Jan 1, 12:56 PM CST | Tornado Watch | SPC | Bell, Breathitt, Clay, Harlan, Jackson, Knott and 12 more | 6 hr |
| Jan 1, 1:57 PM CST | Mesoscale Discussion | SPC | Bedford, Giles, Hardin, Lawrence, Lincoln, Marshall and 2 more | 93 min |
| Jan 1, 3:27 PM CST | Mesoscale Discussion | SPC | Anderson, Bledsoe, Campbell, Coffee, Cumberland, Franklin and 14 more | 93 min |
| Jan 1, 5:53 PM CST | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Bradley, Cumberland, Franklin and 19 more | 67 min |
Nearby
Tornado Watches in Tennessee, 2022Tornado Watches in Kentucky, 2022Every tornado watch 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.