From NWS:
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern and eastern Arkansas
Extreme southern Illinois
Western Kentucky
Extreme southeastern Missouri
Northwestern Mississippi
Western Tennessee
* Effective this Thursday morning from 450 AM until NOON CST.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...Areas of strong-severe thunderstorms should move
northeastward to eastward across the watch area through the
remainder of the morning, offering damaging gusts, isolated large
hail, and the threat of a few tornadoes.
The tornado watch area is approximately along and 90 statute miles
east and west of a line from 50 miles west southwest of Monticello
AR to 15 miles east northeast of Paducah KY. 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.