At 601 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Campbell Creek Campground to 7 miles north of Curtis Gulch Campground. These storms were nearly stationary.
HAZARD...Wind gusts up to 50 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.
Locations impacted include... Campbell Creek Campground and Boxelder.