/ This image provided by Colorado Avalanche Information Center shows an avalanche that killed an unidentified snowboarder on Sunday, Feb. 14, 2021, near the town of Winter Park in Colorado. The deaths of two Colorado men caught in avalanches and a third in Montana over the frigid Presidents Day weekend show how backcountry skiers and others in the Rocky Mountain wilderness risk triggering weak layers of snow that have created the most hazardous conditions in a decade, forecasters say. At least 25 people have been killed in avalanches in the United States so far this year — more than the 23 who died last winter. Typically, 27 people die in avalanches in the U.S. annually.