Moderate

At 146 PM PDT, Doppler radar was tracking a strong thunderstorm 19 miles southeast of Pinto Summit, moving northeast at 25 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Little Antelope Summit and Hamilton. If outdoors, consider seeking shelter inside a building.

At 247 PM MDT, Doppler radar was tracking strong thunderstorms extending from 7 miles southwest of Orin to 7 miles west of Grayrocks Reservoir to 7 miles south of Chugwater. Movement was northeast at 40 mph. HAZARD...Wind gusts of 50 to 55 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... Torrington, Wheatland, Lusk, Guernsey, Lingle, Fort Laramie,

At 249 PM MDT, Doppler radar was tracking a line of showers and thunderstorms extending from over Meeker Park to over Idaho Springs, or extending from 33 miles southwest of Fort Collins to 30 miles west of Denver, moving east at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations impacted include... Lakewood, Arvada, Westminster, Boulder, Longmont, southwestern

At 155 PM PDT, Doppler radar was tracking a strong thunderstorm 11 miles southwest of Ruby Lake, moving northeast at 25 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Ruby Lake and Overland Pass. If outdoors, consider seeking shelter inside a building.

At 256 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 15 miles southwest of Fort Shaw to near Cascade to 12 miles east of Wolf Creek. Movement was northeast at 20 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Great Falls, Cascade, Black Eagle, Fort Shaw, Eden, Stockett, Vaughn, First Peoples Buffalo Jump State Park, Sun River, Tower Rock State

At 259 PM MDT, Doppler radar was tracking a strong thunderstorm over Federal, or 19 miles northwest of Cheyenne, moving northeast at 35 mph. HAZARD...Wind gusts up to 50 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... Happy Valley, Federal, Table Mountain Ranches, Rocking Star Ranch, Silver Sage Estates, Whitaker, Crystal Lake Reservoir, Curt Gowdy

At 130 PM PDT, Doppler radar was tracking a strong thunderstorm 8 miles east of Shoshone, moving northeast at 50 mph. HAZARD...Wind gusts up to 50 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... Great Basin National Park, Baker, and Shoshone. If outdoors, consider seeking shelter inside a building.

At 235 PM MDT, Doppler radar was tracking a strong thunderstorm 35 miles east of Sunnyside, or 42 miles south of Fort Duchesne, moving northeast at 35 mph. 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 and outdoor objects is possible. This storm will remain over mainly rural areas of south central Uintah County. If outdoors, consider seeking shelter inside a building.

At 435 PM EDT, Doppler radar was tracking a strong thunderstorm near Riverwood, or 7 miles northwest of Evans. This storm was nearly stationary. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Grovetown, Evans, Martinez, Harlem, Appling, Riverwood, Augusta Mall, Village Plaza Shopping Center, Liberty Park Community Center, Blanchard Park, Columbia County Jail, Eubank-Blanchard Community

At 235 PM MDT, Doppler radar was tracking a strong thunderstorm 20 miles south of Hatch, or 23 miles north of Kanab, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Bryce Canyon National Park and Alton. If outdoors, consider seeking shelter inside a building.