WW 184 SEVERE TSTM IA NE SD 282300Z – 290400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 184 NWS Storm Prediction Center Norman OK 600 PM CDT Mon Apr 28 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Iowa Northeast Nebraska Southeast South Dakota * Effective this Monday evening from 600 PM until 1100 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Multiple supercells along and near a cold front should pose a threat for mainly large hail up to 1-2 inches in diameter through the evening. Occasional severe/damaging winds may also occur. The severe thunderstorm watch area is approximately along and 45 statute miles north and south of a line from 45 miles west southwest of Yankton SD to 20 miles south of Spencer IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 180...WW 181...WW 182...WW 183... 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 26040. ...Gleason