At 212 PM PDT, Doppler radar was tracking a strong thunderstorm near Tampico, or 15 miles west of Yakima, moving northeast at 15 mph.
HAZARD...Wind gusts up to 40 mph and penny 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... Tampico.
This includes Highway 12 between mile markers 171 and 186.