At 251 PM MDT, Doppler radar was tracking a strong thunderstorm near Dinosaur, or 29 miles east of Vernal, moving east at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch 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... Dinosaur, Artesia, and Blue Mountain. This includes the following highways... U.S. Highway 40 in Colorado between mile markers 1 and 18. U.S. Highway 40 in Utah between mile markers 172 and 174. Colorado 64 between mile markers 1 and 3.
At 922 PM MDT, Doppler radar was tracking a strong thunderstorm 46 miles northeast of Dinosaur, or 56 miles northeast of Vernal, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and pea 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... Sparks and Powder Wash.