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.

Mammoth Mountain officials said the slide occurred during avalanche mitigation work following a significant Sierra Nevada snowstorm, during which about six feet of snow fell in 36 hours.

Two ski patrollers at Mammoth Mountain, California, were caught in an avalanche at approximately 11:30 a.m. today after roughly six feet of snow fell in 36 hours, according to a statement shared by the ski resort.