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SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 586 NWS Storm Prediction Center Norman OK 720 PM CDT Wed Jul 31 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Iowa Southwest Minnesota Southeast South Dakota * Effective this Wednesday night from 720 PM until Midnight CDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Several discrete storms and clusters of thunderstorms are forecast to continue to intensify this evening. Severe gusts (60-75) are possible with the stronger outflow surges. A tornado is possible, especially early this evening. Large hail may accompany the stronger updrafts. Some consolidation into a linear cluster is forecast later this evening into parts of the southwest Minnesota vicinity. The severe thunderstorm watch area is approximately along and 40 statute miles north and south of a line from 55 miles west southwest of Mitchell SD to 30 miles northeast of Worthington MN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 582...WW 583...WW 584...WW 585... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 29015. ...Smith