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SEL7 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 717 NWS Storm Prediction Center Norman OK 525 AM CST Sat Dec 28 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwestern Arkansas Extreme southeastern Oklahoma North-central and northeast Texas * Effective this Saturday morning from 525 AM until NOON CST. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Increasing coverage and intensity of elevated thunderstorms, with potential for large hail, are expected through the remainder of the morning, with activity spreading from the DFW Metroplex vicinity into the Arklatex. A separate tornado threat may evolve later this morning in or near the southern/eastern parts of this watch, and would be addressed then and separately. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 25 miles north northwest of Stephenville TX to 10 miles north northeast of Texarkana AR. 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 50 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 25030. ...Edwards