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SEL7 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 247 NWS Storm Prediction Center Norman OK 555 PM CDT Wed May 15 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of South-Central Kansas Western and Northern Oklahoma * Effective this Wednesday afternoon and Thursday morning from 555 PM until 100 AM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 80 mph likely Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely A tornado or two possible SUMMARY...Several clusters of strong to severe thunderstorms are forecast to develop this evening across western into northern Oklahoma and into south-central Kansas. The environment will support a mix of supercells and organized linear clusters. A threat for large to very large hail will seemingly be greatest through the mid evening with any supercells. A non-zero risk for a tornado this evening may focus over far northern Oklahoma and southern Kansas. By mid to late evening, the risk for severe gusts will likely become the primary severe hazard. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 55 miles northwest of Clinton OK to 40 miles south southeast of Emporia KS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). 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 245...WW 246... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 24035. ...Smith