URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 447
NWS Storm Prediction Center Norman OK
735 PM CDT Sat Jun 22 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern and Eastern Iowa
  Northern and Western Illinois
  Far Northwest Indiana
  Northern Missouri
  Lake Michigan

* Effective this Saturday night and Sunday morning from 735 PM
  until 100 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Isolated large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms occurring along and ahead of a cold front
should pose some threat for severe/damaging winds up to 60-70 mph
this evening while the move generally eastward. Isolated severe hail
around 1-1.5 inches in diameter also appears possible. A tornado or
two may occur in/near northern Illinois.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 30 miles south
southwest of Lamoni IA to 60 miles east northeast of Marseilles IL.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 446...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
27035.

...Gleason