At 329 PM CDT, Doppler radar was tracking a strong thunderstorm 7 miles west of Johnstown, or 18 miles west of Ainsworth, moving southeast at 20 mph.
HAZARD...Wind gusts up to 40 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... Johnstown.
This includes Highway 20 between mile markers 222 and 237.