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SEL1 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 31 NWS Storm Prediction Center Norman OK 320 PM CDT Fri Mar 14 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western and Central Iowa Eastern Nebraska * Effective this Friday afternoon and evening from 320 PM until 1000 PM CDT. * Primary threats include... Widespread damaging winds and isolated significant gusts to 90 mph likely Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Thunderstorms will spread rapidly north-northeastward this afternoon and evening, while posing a threat for widespread severe/damaging winds. The strongest wind gusts could reach 80-90 mph on an isolated basis. Some hail and perhaps a tornado could also occur if a supercell can form and be sustained later this evening. The severe thunderstorm watch area is approximately along and 65 statute miles north and south of a line from 25 miles west northwest of Lincoln NE to 50 miles north of Ottumwa IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 30... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 80 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 19055. ...Gleason