Hail in Adams County, Colorado

A severe thunderstorm producing large hail ranging in size from 3/4 to 2 inches in diameter rumbled across the northwest and northern portions of the Denver metropolitan area. The thunderstorm apparently developed from an outflow boundary generated from the supercell thunderstorm that moved across extreme northeastern Colorado earlier in the evening. The storm developed near the foothills and moved east northeast across northern portions of the metro area. The hardest hit areas were cities of Arvada and Westminster, northwest of Denver. The insurance industry estimated $60 million in damage to homes and personal property and $62 million in damage to automobiles for a total of $122 million in insured losses. This estimate also included the cities of Golden, Thornton and Wheat Ridge. It was the fourth worst hailstorm in the last 10 years.