SPC Severe Thunderstorm Watch 255
WW 255 SEVERE TSTM MN ND SD 172230Z – 180500Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 255 NWS Storm Prediction Center Norman OK 530 PM CDT Fri May 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Minnesota Eastern North Dakota Northern South Dakota * Effective this Friday afternoon from 530 PM until Midnight CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A broken band of strong to severe thunderstorms will likely move east into the Watch area during the evening from the west. Severe gusts ranging from 60-70 mph and perhaps large hail are the main threats with the more intense thunderstorms. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 20 miles north of Hallock MN to 20 miles east southeast of Mobridge SD. 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 253...WW 254... 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 400. Mean storm motion vector 25035. ...Smith
