SPC Severe Thunderstorm Watch 253
WW 253 SEVERE TSTM MT ND SD 171930Z – 180200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 253 NWS Storm Prediction Center Norman OK 130 PM MDT Fri May 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Montana Western and Central North Dakota Northwest South Dakota * Effective this Friday afternoon and evening from 130 PM until 800 PM MDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Scattered thunderstorms will develop and spread across the watch area through the afternoon and early evening. The strongest cells will pose a risk of locally damaging wind gusts. The severe thunderstorm watch area is approximately along and 95 statute miles north and south of a line from 15 miles northwest of Miles City MT to 80 miles northeast of Bismarck ND. 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 27035. ...Hart
