WWUS20 KWNS 050104 SEL2 SPC WW 050104 IAZ000-ILZ000-INZ000-WIZ000-LMZ000-050800- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 432 NWS Storm Prediction Center Norman OK 805 PM CDT Mon Jul 4 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Iowa Northern Illinois Northwest Indiana Southern Wisconsin Lake Michigan * Effective this Monday night and Tuesday morning from 805 PM until 300 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Severe storms including supercells will continue to develop this evening from northeast Iowa into southern Wisconsin and far northern Illinois, and eventually northwest Indiana/southern Lake Michigan. Storms may merge into a linear east/southeastward-moving cluster by late evening, with increasing potential for damaging winds and possibly an embedded brief tornado risk. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 60 miles northwest of Dubuque IA to 50 miles southeast of Racine WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 431... 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 650. Mean storm motion vector 30030. ...Guyer