...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR EAST CENTRAL CHERRY AND NORTHWESTERN BROWN COUNTIES... At 719 PM CDT, a severe thunderstorm was located near Johnstown, or 15 miles northwest of Ainsworth, moving southwest at 10 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Johnstown, Wood Lake, Antelope Peak and Bobcat State Wildlife Management Area. This includes Highway 20 between mile markers 217 and 238. TORNADO...POSSIBLE HAIL...1.25IN WIND...60MPH