Improving stability in the Flathead Range
Location Name: Forecaster Observation - Grant Ridge, Flathead Range Observation date: Tuesday, February 20, 2018 - 19:00 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Tabs
Avalanche Details:
Date and Time of Avalanche:
Saturday, February 17, 2018 - 20:00
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Unknown
Trigger:
natural
Starting Elevation:
above-treeline
Destructive Size:
D2 Could bury, injure, or kill a person.
Avalanche Location:
Several recent D1.5 debris piles noted in the SE facing gullies off of Grant Ridge; debris ran 1/3 of track. One D2 slab on the N facing bowl adjacent to ridge. Several other crowns or debris piles up Tunnel Creek basin; too far away to get a good read on but generally D2 or smaller. Various aspects above 5,000'.