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SEL5 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 525 NWS Storm Prediction Center Norman OK 530 PM MDT Sat Jul 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Montana * Effective this Saturday afternoon from 530 PM until Midnight MDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible SUMMARY...Thunderstorms will continue to develop southeastward this evening while posing a threat for scattered large to very large hail (generally 1.5-2.5 inches in diameter). This activity should grow into a small bowing cluster over the next few hours, with a greater threat for severe winds potentially up to 65-75 mph. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 55 miles west southwest of Miles City MT to 40 miles south southeast of Baker MT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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 522...WW 523...WW 524... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 30035. ...Gleason