WW 242 SEVERE TSTM MT SD WY 262225Z – 270600Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 242 NWS Storm Prediction Center Norman OK 425 PM MDT Fri May 26 2023 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeastern Montana Southwestern South Dakota Northeastern Wyoming * Effective this Friday afternoon from 425 PM until Midnight MDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Though isolated strong/severe thunderstorms are ongoing over parts of the watch area, an increasingly organized plume of convection should spread northeastward out of central/northern WY through this evening. This activity will pose a threat for multiple severe gusts and isolated large hail. The severe thunderstorm watch area is approximately along and 95 statute miles east and west of a line from 50 miles north northwest of Miles City MT to 55 miles south of Gillette WY. 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. && OTHER WATCH INFORMATION...CONTINUE...WW 240...WW 241... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 21030. ...Edwards
