SPC Severe Thunderstorm Watch 534
WW 534 SEVERE TSTM IA IL IN WI LM 142255Z – 150600Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 534 NWS Storm Prediction Center Norman OK 555 PM CDT Sun Jul 14 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern and Eastern Iowa Northern Illinois Far Northwest Indiana Southern Wisconsin Lake Michigan * Effective this Sunday afternoon and Monday morning from 555 PM until 100 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Isolated very large hail events to 2 inches in diameter possible A tornado or two possible SUMMARY...Thunderstorms are expected to continue increasing in coverage and intensity this evening. Isolated large hail generally 1-1.75 inches in diameter may occur with the initially more cellular activity. With time, a bowing cluster of thunderstorms should pose a greater threat for severe/damaging winds up to around 60-70 mph. A landspout tornado or two also appears possible. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 45 miles south southwest of Mason City IA to 55 miles south of Racine WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 533... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28030. ...Gleason
