####018002188#### WWUS20 KWNS 272145 SEL8 SPC WW 272145 MNZ000-SDZ000-280500- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 548 NWS Storm Prediction Center Norman OK 445 PM CDT Sun Jul 27 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Southern Minnesota Eastern South Dakota * Effective this Sunday afternoon from 445 PM until Midnight CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible A tornado or two possible SUMMARY...Strong to severe thunderstorms are ongoing across west-central MN and adjacent far northeastern SD. These storms developed in a strongly unstable and sheared environment and are expected to persist through the afternoon. Additional severe storm development is possible across eastern SD as well. Large to very large hail and strong gusts are possible with these storms. A brief tornado could also occur. Over time, the development of a southward-moving convective line is possible, with the threat for strong to severe gusts continuing within this line. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 50 miles southwest of Watertown SD to 30 miles north northeast of Minneapolis MN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28030. ...Mosier