SPC Severe Thunderstorm Watch 405


WW0405 Radar

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 SEL5 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 405 NWS Storm Prediction Center Norman OK 330 PM CDT Wed Jun 12 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of northern and central Minnesota eastern North Dakota far northeastern South Dakota northwestern Wisconsin Lake Superior * Effective this Wednesday afternoon and evening from 330 PM until 1000 PM CDT. * Primary threats include... Widespread large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging winds likely with isolated significant gusts to 75 mph possible A tornado or two possible SUMMARY...Thunderstorm development is expected by 4:30 PM or so across the eastern North Dakota/northwestern Minnesota area, with storms quickly becoming severe. Very large/destructive hail, and strong/damaging wind gusts are expected, with a tornado or two also possible. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 40 miles north of Fargo ND to 35 miles east of Duluth MN. 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 3 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 29040. ...Goss