Close

Professional Observation

       

Basic Information

Observation Details

Observation Date:
February 8, 2022 - February 8, 2022
Submitted:
February 11, 2022
Observer:
Geoff Unger | Key Observer
Zone or Region:
Mammoth Lakes
Location:
Reds Lake Profile Site

Signs of Unstable Snow

Recent Avalanches? 
None Observed
Cracking? 
None Experienced
Collapsing? 
None Experienced

The snowpack is right side up and very stable at the moment.

Snow Stability

Stability Rating: 
Very Good
Confidence in Rating: 
High
Stability Trend: 
Steady

Key Points

This week the AIARE Pro 1 is in Mammoth to train our observation and risk management skills.

Students focused on Weather Plot and Snow Profile Observations early in the week.

Below is a photo snow profile from the Reds Lake Area looking at snowpack structure.  Even though we have low avalanche danger that doesn’t mean the snowpack is simple.

Media

Advanced Information

Weather Summary

Cloud Cover:
Clear
Temperature:
-2.0 C
Wind:
Light , NE

Clear and mild in sheltered areas, but with a crisp north wind in exposed areas.

Snowpack Observations

Snowpack structure summary at a range scale:

Lower – In certain sheltered areas basal facets exist. Thickness varies from 0cm to 40cm

Middle – 1 finger to knife hard RG. 100-200cm thick

Upper – Surface FC, RGwp or

MFcr 1-30cm on surface depending on aspect to sun and wind, and elevation

See snow profile documented in photos and through snow pilot.

20220208 Snow Profile – Snow Pilot

Close