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SEL1 URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 541 NWS Storm Prediction Center Norman OK 650 PM CDT Mon Jul 15 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Extreme east central Iowa Northern Illinois Northwest Indiana Southwest Lower Michigan Extreme southern Wisconsin Lake Michigan * Effective this Monday night and Tuesday morning from 650 PM until 100 AM CDT. * Primary threats include... A few tornadoes likely Widespread damaging winds and scattered significant gusts to 90 mph likely Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Thunderstorms are expected to evolve into one or more bow echoes from Iowa into northern Illinois this evening, with the potential to produce swaths of significant severe gusts up to 75-90 mph and several tornadoes with embedded circulations. The storms will spread into northwest Indiana and southwest Lower Michigan later tonight. The tornado watch area is approximately along and 100 statute miles east and west of a line from 65 miles northwest of Benton Harbor MI to 55 miles south southeast of Marseilles IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 539...WW 540... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 80 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 29040. ...Thompson