Authorities say the bodies of eight backcountry skiers have been found and one remains missing after an avalanche near Lake Tahoe in California.

Experts say a weekslong “snow drought” in Norther California's Sierra Nevada helped set the stage for Tuesday's deadly avalanche, after several feet of new snow fell on an earlier layer that had hardened.

An autopsy has confirmed that a body found inside a car submerged in a Northern California reservoir is that of 16-year-old Kiely Rodni, who disappeared after a large youth party earlier this month.

Authorities believe a body found in a Northern California reservoir is that of 16-year-old Kiely Rodni, who went missing after attending a large party at a Sierra Nevada campground two weeks ago.