SPC Severe Thunderstorm Watch 655


WW0655 Radar

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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.

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 SEL5 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 655 NWS Storm Prediction Center Norman OK 1205 PM CDT Tue Aug 27 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Illinois Southeast Wisconsin Lake Michigan * Effective this Tuesday afternoon from 1205 PM until 400 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Clusters of severe storms will continue to move across southeast Wisconsin early this afternoon, with additional development possible into northern Illinois. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 50 miles northeast of Milwaukee WI to 40 miles east of Rockford IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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. && 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 28025. ...Guyer