WW 563 SEVERE TSTM IN MI OH LM 290400Z – 290900Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 563 NWS Storm Prediction Center Norman OK 1200 AM EDT Sat Jul 29 2023 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Indiana Southwest Lower Michigan Northwest Ohio Lake Michigan * Effective this Saturday morning from Midnight until 500 AM EDT. * Primary threats include... Scattered damaging wind gusts to 65 mph possible SUMMARY...Multiple thunderstorm complexes will rapidly spread east-southeast across the region before dawn, with the greatest threat for damaging winds across the northern Indiana vicinity. The severe thunderstorm watch area is approximately along and 65 statute miles east and west of a line from 30 miles north northwest of Grand Rapids MI to 25 miles west southwest of Muncie IN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). 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 560...WW 561...WW 562... AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 29050. ...Grams
