...A STRONG THUNDERSTORM AND OUTFLOW WINDS WILL IMPACT SOUTHEASTERN BLAINE... NORTHWESTERN BANNOCK...EASTERN LINCOLN...NORTHWESTERN POWER... SOUTHWESTERN BINGHAM...NORTH CENTRAL CASSIA AND NORTHEASTERN MINIDOKA COUNTIES THROUGH 400 PM MDT... At 315 PM MDT, Doppler radar was tracking a strong thunderstorm near Lake Walcott, moving northeast at 30 mph. HAZARD...Wind gusts of 50 to 55 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 outdoor objects is possible. Locations impacted include... American Falls, Lake Walcott, American Falls Reservoir, Aberdeen, Minidoka, Pocatello Airport, Pilar Butte, and Bear Trap Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. If on or near American Falls Reservoir, get out of the water and move indoors or inside a vehicle. Strong winds will create rough chop. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && MAX HAIL SIZE...0.75 IN; MAX WIND GUST...55 MPH
