MAMMOTH MOUNTAIN, California (KOLO) - A Mammoth Mountain ski patroller injured in an avalanche on Valentine’s Day has died. The resort identified the patroller as Claire Murphy. Around 11:30 a.m. on Valentine’s Day, Murphy and another patroller were caught in an avalanche on Lincoln Mountain while doing mitigation work.

Murphy was doing avalanche mitigation with a team of ski patrollers on Lincoln Mountain — a dome peak within the Mammoth Mountain ski area — when an avalanche broke loose in an area known as the Avalanche (Avy) Chutes on Friday, Feb. 14. The accident occurred after approximately six feet of snow fell in 36 hours following a heavy Sierra snowstorm.

Two ski patrol staff at Mammoth Mountain were caught in an avalanche while doing mitigation work after an atmospheric river dropped about six feet of snow in 36 hours, Mammoth Mountain officials said.