WW 154 TORNADO IA IL WI LM 201905Z – 210100Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 154
NWS Storm Prediction Center Norman OK
205 PM CDT Thu Apr 20 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Far eastern Iowa
Northern Illinois
Southerrn Wisconsin
Lake Michigan
* Effective this Thursday afternoon and evening from 205 PM until
800 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...At least a few supercells should evolve east-northeast
from far eastern Iowa across northern Illinois into southern
Wisconsin into early evening. This may consolidate into a cluster
approaching Lake Michigan.
The tornado watch area is approximately along and 70 statute miles
east and west of a line from 45 miles north northeast of Madison WI
to 30 miles south southwest of Peoria IL. 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 151...WW 152...WW 153...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 24040.
...Grams
