Alert archive / Kentucky / Tornado Watches in 2022
Tornado Watch 2
The Storm Prediction Center issued this tornado watch at Dec 31, 2021, 11:57 PM CST for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 31, 2021, 11:57 PM CST (05:57 UTC)
- Expired
- Jan 1, 2022, 7:00 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 84 counties
Clay County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Calloway County, KY, Carlisle County, KY, Casey County, KY, Christian County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Green County, KY, Hart County, KY, Hickman County, KY, Jackson County, KY, Knox County, KY, Laurel County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Owsley County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Wayne County, KY, Whitley County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Fentress County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lake County, TN, Lauderdale County, TN, Macon County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Robertson County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Weakley County, TN, Wilson County, TN
The radar
The Ft Campbell radar (KHPX), 79 km from the middle of the area, began a volume at 05:57 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
- 30%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 12:17 AM CST | Severe Thunderstorm Warning | MEG | Mississippi | 28 min |
| Jan 1, 12:42 AM CST | Severe Thunderstorm Warning | MEG | Pemiscot | 33 min |
| Jan 1, 1:16 AM CST | Severe Thunderstorm Warning | MEG | Henry, Obion, Weakley | 44 min |
| Jan 1, 1:38 AM CST | Flash Flood Warning | PAH | Calloway, Graves, Marshall, Trigg | 6 hr |
| Jan 1, 1:41 AM CST | Tornado Warning | MEG | Henry, Weakley | 34 min |
| Jan 1, 1:51 AM CST | Severe Thunderstorm Warning | PAH | Calloway, Graves, Marshall | 39 min |
| Jan 1, 1:57 AM CST | Tornado Warning | MEG | Henry, Weakley | 35 min |
| Jan 1, 2:01 AM CST | Flash Flood Warning | PAH | Christian, Todd | 6 hr |
| Jan 1, 2:04 AM CST | Severe Thunderstorm Warning | MEG | Clay | 26 min |
| Jan 1, 2:20 AM CST | Severe Thunderstorm Warning | OHX | Stewart | 40 min |
| Jan 1, 2:21 AM CST | Severe Thunderstorm Warning | LMK | Barren, Green, Metcalfe | 24 min |
| Jan 1, 3:13 AM CST | Flash Flood Warning | LMK | Allen, Barren, Metcalfe, Warren | 5 hr |
| Jan 1, 3:15 AM CST | Severe Thunderstorm Warning | PAH | Christian, Todd | 30 min |
| Jan 1, 3:39 AM CST | Flash Flood Warning | LMK | Adair, Casey, Green, Metcalfe, Taylor | 5 hr |
| Jan 1, 4:01 AM CST | Flash Flood Warning | JKL | Clay, Laurel, Leslie, Owsley, Perry | 7 hr |
| Jan 1, 4:20 AM CST | Severe Thunderstorm Warning | LMK | Allen, Barren, Edmonson, Warren | 25 min |
| Jan 1, 4:39 AM CST | Severe Thunderstorm Warning | LMK | Barren, Green, Metcalfe | 36 min |
| Jan 1, 4:47 AM CST | Flash Flood Warning | LMK | Lincoln | 3 hr |
| Jan 1, 4:54 AM CST | Severe Thunderstorm Warning | JKL | Jackson, Pulaski, Rockcastle | 36 min |
| Jan 1, 5:08 AM CST | Flash Flood Warning | JKL | Breathitt, Clay, Jackson, Lee, Owsley, Perry | 5 hr |
| Jan 1, 5:13 AM CST | Severe Thunderstorm Warning | LMK | Adair, Metcalfe, Russell | 32 min |
| Jan 1, 5:18 AM CST | Flash Flood Warning | JKL | Jackson, Rockcastle | 5 hr |
| Jan 1, 5:39 AM CST | Severe Thunderstorm Warning | LMK | Adair, Casey, Russell | 21 min |
| Jan 1, 5:47 AM CST | Severe Thunderstorm Warning | JKL | Pulaski, Rockcastle | 43 min |
| Jan 1, 5:57 AM CST | Tornado Warning | JKL | Pulaski | 33 min |
| Jan 1, 6:22 AM CST | Severe Thunderstorm Warning | JKL | Laurel, Pulaski, Rockcastle | 39 min |
| Jan 1, 6:25 AM CST | Tornado Warning | JKL | Laurel, Pulaski, Rockcastle | 20 min |
| Jan 1, 6:45 AM CST | Flash Flood Warning | JKL | Jackson, Laurel, Pulaski, Rockcastle | 5 hr |
| Jan 1, 6:51 AM CST | Severe Thunderstorm Warning | JKL | Clay, Jackson, Laurel, Owsley, Rockcastle | 39 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 00:00Z, 6.0 hours before the alert went out and 135 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
- 336 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 894 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.3
The text
As transmitted.
724 WWUS20 KWNS 010555 SEL2 SPC WW 010555 ARZ000-KYZ000-MOZ000-TNZ000-011300- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 2 NWS Storm Prediction Center Norman OK 1155 PM CST Fri Dec 31 2021 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northeast Arkansas Southern Kentucky Southeast Missouri Western and northern Tennessee * Effective this Friday night and Saturday morning from 1155 PM until 700 AM CST. * Primary threats include... A couple tornadoes possible Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1 inch in diameter possible SUMMARY...Strong to severe thunderstorms are expected to develop and persist across the region overnight. A moist and modestly unstable air mass along with very strong deep-layer/low-level winds will support the possibility of well-organized/rotating storms capable of tornado and damaging wind risks. The tornado watch area is approximately along and 40 statute miles north and south of a line from 15 miles west southwest of Jonesboro AR to 15 miles east of London KY. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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. && OTHER WATCH INFORMATION...CONTINUE...WW 1... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 24040. ...Guyer
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 9:08 PM CST | Mesoscale Discussion | SPC | Cleburne, Conway, Craighead, Cross, Faulkner, Garland and 24 more | 3 hr |
| Dec 31, 10:35 PM CST | Severe Thunderstorm Watch | SPC | Clark, Cleburne, Conway, Faulkner, Garland, Hot Spring and 26 more | 353 days |
| Jan 1, 2:07 AM CST | Mesoscale Discussion | SPC | Cleburne, Craighead, Cross, Greene, Independence, Jackson and 4 more | 113 min |
| Jan 1, 11:37 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 5 more | 113 min |
| Jan 1, 1:30 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 9 more | 9 hr |
| Dec 31, 9:31 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 67 more | 2 hr |
| Jan 1, 10:29 AM CST | Mesoscale Discussion | SPC | Adair, Allen, Barren, Butler, Casey, Edmonson and 10 more | 61 min |
| Jan 1, 10:50 AM CST | Tornado Watch | SPC | Adair, Allen, Barren, Boyle, Casey, Clinton and 14 more | 7 hr |
| 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, 10:31 AM CST | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 9 more | 4 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 Kentucky, 2022Tornado Watches in Tennessee, 2022Tornado Watches in Arkansas, 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.