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SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 266 NWS Storm Prediction Center Norman OK 1140 PM CDT Sun May 19 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern into Northeast Oklahoma * Effective this Sunday night and Monday morning from 1140 PM until 600 AM 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...Scattered strong to severe thunderstorms will likely persist tonight and gradually develop east across the Watch area. A west to east oriented cluster of thunderstorms, occasionally containing a supercell or two, will potentially be capable of large hail and severe gusts. The severe thunderstorm watch area is approximately along and 35 statute miles north and south of a line from 45 miles southwest of Ponca City OK to 5 miles east of Grove OK. 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 262...WW 264...WW 265... 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 27025. ...Smith