WW 669 SEVERE TSTM MN WI LS 052055Z – 060400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 669 NWS Storm Prediction Center Norman OK 355 PM CDT Tue Sep 5 2023 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Eastern Minnesota Western Wisconsin Lake Superior * Effective this Tuesday afternoon and evening from 355 PM until 1100 PM 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...Strong to severe thunderstorms are expected to develop through late afternoon and early evening, initially across the eastern half of Minnesota, with large hail and damaging winds as the primary hazards. Storms are expected to develop into western Wisconsin by early/mid-evening. The severe thunderstorm watch area is approximately along and 75 statute miles east and west of a line from 10 miles north of Ely MN to 40 miles southwest of Rochester MN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 23025. ...Guyer
