Tornado Watch 4

Issued

Jan 1, 2022, 12:56 PM CST (18:56 UTC)

Expired

Jan 1, 2022, 7:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

70 kt

The Knoxville radar (KMRX), 103 km from the middle of the area, began a volume at 18:59 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.

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%

• Mesoscale Discussion 8 Tornado watch 3Jan 1, 12:38 PM CST
• Mesoscale Discussion 9 Tornado watch 3...4...5Jan 1, 1:57 PM CST
• Mesoscale Discussion 11 Tornado watch 3...4...5Jan 1, 3:27 PM CST
• Mesoscale Discussion 12 Tornado watch 4Jan 1, 5:53 PM CST
• Mesoscale Discussion 13 Tornado watch 4...5...6Jan 1, 6:02 PM CST

332 
WWUS20 KWNS 011855
SEL4  
SPC WW 011855
ALZ000-KYZ000-TNZ000-VAZ000-020100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 4
NWS Storm Prediction Center Norman OK
155 PM EST Sat Jan 1 2022

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Northern Alabama
  Eastern Kentucky
  Middle to eastern Tennessee
  Far southwest Virginia

* Effective this Saturday afternoon and evening from 155 PM until
  800 PM EST.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered damaging winds likely with isolated significant gusts
    to 80 mph possible

SUMMARY...A squall line with discrete cells ahead of it will spread
east-northeast into early evening with a threat for tornadoes and
damaging winds.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 15 miles east northeast of Jackson KY
to 30 miles southwest of Huntsville AL. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU4).

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 3...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 23040.

...Grams

Tornado Watches in Tennessee, 2022Tornado Watches in Kentucky, 2022Tornado Watches in Alabama, 2022Every tornado watch in 2022

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.