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* stats delayed and were probably not accurate to begin with
Two intense supercells continue to track southeastward into the watch area. Large hail and damaging wind gusts will remain possible for a few more hours with these storms.
SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 523 NWS Storm Prediction Center Norman OK 850 PM MDT Thu Jul 17 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Montana * Effective this Thursday night and Friday morning from 850 PM until 200 AM MDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Two intense supercells continue to track southeastward into the watch area. Large hail and damaging wind gusts will remain possible for a few more hours with these storms. The severe thunderstorm watch area is approximately along and 40 statute miles north and south of a line from 90 miles west of Miles City MT to 15 miles southeast of Baker MT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). 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... 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 29030. ...Hart
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