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Missoula Avalanche

Professional Observation

Basic Information

Observation Details

Observation Date:
January 30, 2022 - January 30, 2022
Submitted:
January 31, 2022
Observer:
WCMAC - Jane Quinn
Zone or Region:
Rattlesnake
Location:
Grouse Ridge below Point Six

Signs of Unstable Snow

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

Snow Stability

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

Bottom Line

While we did find wind slabs at higher elevations, they were very stubborn. Even though the wind slabs we tested were stubborn, it's still best to take care when committing to consequential terrain where terrain traps present greater consequences.

Advanced Information

Weather Summary

Cloud Cover:
Overcast
Temperature:
-6 C
Wind:
Strong , W

The wind was howling at Point Six but we were able to find calmer conditions as we descended Grouse Ridge. We observed blowing snow at Point Six and on areas of Grouse Ridge. The height of snow varied between 140 - 180 on different parts of the ridge.

Snowpack Observations

CT24 RP down 25 cms.
ECTN 29 down 25 cms.
Hand hardness shows a stable snowpack with the weakest snow at the surface and getting firmer as you investigate deeper into the snowpack. Our snowpit had a depth of 145 and we did not dig to the ground.

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