A snowmobiler is dead after accidentally triggering an avalanche near Frog Lake in Nevada County.
- A snowmobiler is dead after unknowingly stepping onto an ice shelf in Nevada County near Frog Lake, according to the Sierra Avalanche Center. The man then triggered a 100-foot-wide avalanche that swept him 900 feet to his death. Rescue crews pulled two other snowmobilers to safety. They were not injured.