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SEL2 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 522 NWS Storm Prediction Center Norman OK 205 PM MDT Sat Jul 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Montana * Effective this Saturday afternoon and evening from 205 PM until 900 PM MDT. * 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 SUMMARY...Intense thunderstorms are expected to form over north-central and northeast Montana this afternoon and track east-southeastward across the watch area. Very large hail and damaging winds are possible with the stronger cells. The severe thunderstorm watch area is approximately along and 45 statute miles north and south of a line from 15 miles south of Havre MT to 10 miles south southeast of Sidney MT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 29030. ...Hart