Pro Field Report
Basic Information
Observation Details
Observation Date:
January 9, 2021Submitted:
January 9, 2021Observer:
Lundy, LinnetZone or Region:
Sawtooth and Western Smoky MtnsLocation:
Bench Lakes (6500-8700', SE-E-NE-N)Signs of Unstable Snow
Recent Avalanches?
None ObservedCracking?
IsolatedCollapsing?
IsolatedSnow Stability
Stability Rating:
FairConfidence in Rating:
ModerateStability Trend:
SteadyBottom Line
Avalanche problem is trending towards a deep slab issue. The primarily red flag is very poor snowpack structure, with a very dense slab atop a weak layer that's showing little signs of improvement.
Media/Attachments
Advanced Information
Weather Summary
Cloud Cover:
ClearTemperature:
CoolWind:
CalmNew/Recent Snowfall:
2cmValley inversion gave way to clear skies. Temps remained cool, even in the sun.
Avalanche Observations
No avalanches observed from our tour, although with a bit of new snow and wind, things may be getting filled in.
Snowpack Observations
Slab depth 60-75cm at mid-elevations.
@8400', E, 29*: HS 140. 12/11 (F+) 75cm down, with the bottom half of the slab 1F. ECT didn't fail on 30 taps, but propagated and slid into the pit with a few extra hard hits. PST 38/100end.
Avalanche Problems
| Problem | Location | Distribution | Sensitivity | Size | Comments |
|---|---|---|---|---|---|
Persistent Slab
|
|
Layer Depth/Date: 60-75cm Weak Layer(s): Dec 11, 2020 (FCsf) |
Terrain Use
We stayed on small slopes no steeper than the low 30s.