Observation: Avalanche Professional
Basic Information
Observation Details
Observation Date:
December 13, 2021Submitted:
December 13, 2021Observer:
Avalanche Professional - Vetta Mountain GuidesZone or Region:
Snoqualmie PassLocation:
Alpental Valley (N, NE, S, SW)Signs of Unstable Snow
Recent Avalanches?
None ObservedCracking?
None ExperiencedCollapsing?
None ExperiencedAdvanced Information
Weather Summary
Cloud Cover:
ObscuredTemperature:
25-28°FWind:
Light , ENew/Recent Snowfall:
Approx 30cm HSTS-1, PP, and trying to clear at 14:30. Limited obs due to low clouds. Consistently cold throughout day.
None observed
Snowpack Observations
Limited obs. Approx 30cm HST settling into 4F slab over 20211211 IFrc, unreactive in hand pits and when cutting above skin track.
A few isolated glide cracks observed in steep, slabby terrain near/above Alpental resort.
Avalanche Problems
| Problem | Location | Distribution | Sensitivity | Size | Comments |
|---|---|---|---|---|---|
Storm Slab
|
|
Layer Depth/Date: 20-30cm over the 20211211 IFrc |