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Archived

Avalanche Forecast

Mar 23rd, 2020–Mar 24th, 2020
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

Conservative terrain that avoids any hazard. For the good of us all, be thinking about this as you travel. Or choose not to travel and wait for next year. The current health care system is under enough stress due to COVID19 pandemic don't add to the problems/workload.  

Confidence

High -

Weather Forecast

Tuesday is looking to be a cloudy day with light flurries falling. Temperatures will be around -5 at treeline during the day under cloudy skies. Convective flurries seem to be the theme of the week. 

Avalanche Summary

No new avalanches were observed but observations were limited. 

Snowpack Summary

5cm of new snow fell via convective flurries throughout the day under generally light winds. This is now up to 10cm of new snow that has fallen on top of crusts on solar aspects and on dry powder snow on polar aspects. The mid pack is well settled and concerns still exist with basal crusts. Buried windslabs can be expected at ridge lines and remember that human triggering is still possible in steeper terrain...Which you should not be in because we are asking you to dial it back.  

Terrain and Travel

  • Avoid convexities, steep unsupported terrain and rocky outcroppings.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Be aware of the potential for large avalanches due to the presence of a deep persistent slab.
  • Avoid areas with a thin or variable snowpack.

Avalanche Problems

Wind Slabs

Some buried wind slabs exist in the alpine. Digging will be key.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 2.5

Deep Persistent Slabs

The deep persistent layer is still a concern, especially in shallow snowpack areas. A large cornice trigger could also be enough to weak up this layer.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 1.5 - 3.5