A preliminary report has been released regarding a fatal avalanche that occurred in the Sierra this past winter. The incident resulted in nine deaths and raised questions about the group's decision to venture out during a snowstorm. The group's guides had attempted to navigate around the most hazardous area, but were unable to do so due to obstacles.

Further information about the incident is available from the report. The report's findings provide some insight into the events leading up to the avalanche, which occurred near the Truckee area.