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SEL0 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 290 NWS Storm Prediction Center Norman OK 455 PM CDT Wed May 22 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Arkansas Northwest Louisiana Northeast Texas * Effective this Wednesday afternoon and evening from 455 PM until 1100 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely Scattered damaging wind gusts to 70 mph likely A tornado or two possible SUMMARY...Clusters of supercells will persist and spread east-southeastward through the evening, with some upscale growth likely. While a tornado or two may occur with favorable storm interactions, very large hail up to 2.5 inches in diameter and damaging outflow winds up to 75 mph will be the main threats. The severe thunderstorm watch area is approximately along and 45 statute miles north and south of a line from 20 miles north northwest of Tyler TX to 30 miles east of El Dorado AR. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). 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 284...WW 285...WW 286...WW 287...WW 288...WW 289... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 28025. ...Thompson