SPC Severe Thunderstorm Watch 270

WW 270 SEVERE TSTM ND 022000Z - 030300Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 270 NWS Storm Prediction Center Norman OK 300 PM CDT Tue Jun 2 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of North Dakota * Effective this Tuesday afternoon and evening from 300 PM until 1000 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms are expected to continue through this afternoon and evening along and ahead of a cold front moving into central North Dakota. Moderate to strong buoyancy and moderate vertical shear will support the potential for supercells, with large to isolated very large hail as the primary hazards. There is a low-probability tornado risk, mitigated by the expectation that cells will trend towards a more clustered mode rather quickly. Damaging gusts are also possible later in the convective cycle as bowing line segments become more common. The severe thunderstorm watch area is approximately along and 90 statute miles east and west of a line from 70 miles north northwest of Devils Lake ND to 55 miles south of Bismarck ND. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). 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 269... 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 24030. ...Mosier Read more