Toured into the Flathead Range to gather evidence on wind slab development and activity as well, monitor wet loose activity with today's warm temperatures.
Pinnacle to Tunnel Ridge up to 6800'.
Spoke with a group camping in Tunnel Creek. Their camp was located approx. 1500' from the toe of the debris associated with a large, natural wind slab. They said they heard the avalanche and felt the powder blast at their camp. Said the avalanche happen at approx. 7:15 pm on 3/9/2018. They hadn't noticed any evidence of natural activity when they skinned in on Friday during the day but woke this morning to find numerous crown lines on upper elevation, leeward slopes.
Numerous WL avalanches on west to east aspects, but the majority were confined to south aspects.
Calm, bluebird day in the Flathead. Scattered clouds moved over the crest for the majority of the day keeping temperatures from warming too quickly.
Advisory Hotline: 406.257.8402
Call or text an observation: 406.66AVYOB