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Archived

Avalanche Forecast

Feb 16th, 2020–Feb 17th, 2020
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Glacier.

A meter of snow this week in alpine and treeline fetches is available for slab formation. Evaluate route choices carefully

Weather Forecast

Light flurries today with little snow accumulation, light W wind and an alpine high of -14. A ridge of relatively high pressure starts to set up today and tomorrow with winds continuing light W, temperatures falling and flurries until skies start to clear on Tuesday.

Snowpack Summary

20cm new snow overnight with moderate W wind. 95cm this week. Variable layers of resistance and sun crusts isolated to steep SW aspects reported within the storm snow over a strong snowpack of mostly rounds.

Avalanche Summary

Numerous natural avalanches to size 2.5 from all aspects this week with dust running far. Natural activity decreased yesterday.

Confidence

Due to the number and quality of field observations

Avalanche Problems

Wind Slabs

  • Watch for signs of instability such as whumphing and cracking.
  • Use caution in lee areas. Recent wind loading has created wind slabs.

Aspects: North, North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2.5