Alert archive / Tennessee / Tornado Watches in 2022
Tornado Watch 7
The Storm Prediction Center issued this tornado watch at Jan 1, 2022, 6:53 PM CST for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 1, 2022, 6:53 PM CST (00:53 UTC)
- Expired
- Jan 2, 2022, 2:00 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 48 counties
Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, Whitfield County, GA, Cherokee County, NC, Clay County, NC, Graham County, NC, Swain County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Franklin County, TN, Grainger County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Lincoln County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN
The radar
The Northeast Alabama radar (KHTX), 23 km from the middle of the area, began a volume at 00:53 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
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 6:55 PM CST | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Madison, Marshall, Morgan | 50 min |
| Jan 1, 6:57 PM CST | Severe Thunderstorm Warning | HUN | Franklin | 18 min |
| Jan 1, 7:20 PM CST | Tornado Warning | HUN | Limestone, Madison, Morgan | 25 min |
| Jan 1, 7:40 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Madison | 50 min |
| Jan 1, 8:25 PM CST | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 50 min |
| Jan 1, 8:29 PM CST | Tornado Warning | HUN | Jackson | 31 min |
| Jan 1, 8:38 PM CST | Tornado Warning | HUN | DeKalb, Jackson | 26 min |
| Jan 1, 8:46 PM CST | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 44 min |
| Jan 1, 8:52 PM CST | Tornado Warning | FFC | Dade, Walker | 8 min |
| Jan 1, 8:55 PM CST | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, Marion | 50 min |
| Jan 1, 9:03 PM CST | Flash Flood Warning | HUN | Madison | 3 hr |
| Jan 1, 9:42 PM CST | Flash Flood Warning | HUN | Madison | 3 hr |
| Jan 1, 10:40 PM CST | Flash Flood Warning | HUN | Jackson, Madison, Morgan | 2 hr |
| Jan 2, 12:02 AM CST | Flash Flood Warning | HUN | Madison | 5 hr |
| Jan 2, 12:22 AM CST | Flash Flood Warning | HUN | Jackson, Madison | 3 hr |
| Jan 2, 1:11 AM CST | Flash Flood Warning | HUN | DeKalb | 3 hr |
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, 0.9 hours before the alert went out and 133 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
- 702 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- -302 m²/s²
- 0-3 km storm-relative helicity
- -54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
028 WWUS20 KWNS 020051 SEL7 SPC WW 020051 ALZ000-GAZ000-NCZ000-TNZ000-020800- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 7 NWS Storm Prediction Center Norman OK 750 PM EST Sat Jan 1 2022 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northern Alabama Northern Georgia Western North Carolina Eastern Tennessee * Effective this Saturday night and Sunday morning from 750 PM until 300 AM EST. * Primary threats include... A few tornadoes and a couple intense tornadoes possible Scattered damaging wind gusts to 70 mph likely SUMMARY...Clusters of severe storms including some embedded/semi-discrete supercells will continue to quickly spread east-northeastward across the region through the late evening and early overnight hours. A seasonably moist and modestly unstable environment will support a damaging wind/tornado risk in the presence of strengthening low/mid-level winds, which will support rotating storms. The tornado watch area is approximately along and 45 statute miles north and south of a line from 50 miles west southwest of Huntsville AL to 35 miles east of Knoxville TN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). 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 4...WW 5...WW 6... 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 25045. ...Guyer
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 6:02 PM CST | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Cherokee, Cullman, DeKalb and 19 more | 118 min |
| Jan 1, 8:30 PM CST | Mesoscale Discussion | SPC | Jackson | 60 min |
| Jan 1, 9:11 PM CST | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Cherokee, Cullman, DeKalb and 17 more | 64 min |
| Jan 1, 10:07 PM CST | Tornado Watch | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 25 more | 6 hr |
| Jan 1, 11:19 PM CST | Mesoscale Discussion | SPC | Bibb, Blount, Calhoun, Cherokee, Chilton, Choctaw and 17 more | 116 min |
| Jan 2, 2:19 AM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Choctaw and 17 more | 116 min |
| Jan 2, 10:37 AM CST | Mesoscale Discussion | SPC | Coffee, Covington, Dale, Geneva, Henry, Houston | 83 min |
| Jan 2, 12:53 PM CST | Mesoscale Discussion | SPC | Coffee, Dale, Geneva, Henry, Houston | 2 hr |
| Jan 2, 1:17 PM CST | Tornado Watch | SPC | Geneva, Henry, Houston | 9 hr |
| Jan 2, 2:48 PM CST | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Bleckley, Brooks, Calhoun and 32 more | 117 min |
| Jan 2, 3:50 PM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 33 more | 85 min |
| Jan 2, 4:01 PM CST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 20 more | 5 hr |
| Jan 2, 5:52 PM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 32 more | 113 min |
Nearby
Tornado Watches in Tennessee, 2022Tornado Watches in Georgia, 2022Tornado Watches in Alabama, 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.