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Archived

Avalanche Forecast

Feb 8th, 2024–Feb 9th, 2024
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
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
1: Low
The avalanche danger rating in the alpine will be low
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: Bow Valley, Highwood Pass, Kananaskis, North 40, Spray - KLakes.

Travel conditions vary at lower elevations. Generally there is 5-15cm overtop of a supportive crust creating OK skiing and travel.

Confidence

High

Avalanche Summary

Nothing new today.

Snowpack Summary

The recent storm snow is settling and now averages 5 to 15cm over the Feb 3 crust. A sun crust can be found on steeper solar aspects. This crust was mostly supportive in the valley bottom and extends at least as high as 2500m. The bond at the storm snow - crust interface is mainly good, except on steep northerly aspects in the alpine where some previous sluffing was observed. Very isolated wind slab development has been observed in the alpine in wind prone areas and on lee features.

Weather Summary

We should get 4cm of snow by the time we wake up Friday morning. The day will bring clouds and sunny periods with an alpine high temperature of -12c. Winds are to be 10km/hr from the NW.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • In areas where deep persistent slabs may exist, avoid shallow or variable depth snowpacks and unsupported terrain features.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Be carefull with sluffing in steep terrain, especially above cliffs and terrain traps.

Avalanche Problems

Wind Slabs

Very isolated wind slab formation has been found in Alpine terrain. This slab overlies the Feb 3 crust and could be found on lee features.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Persistent Slabs

This will still be an issue in areas that escaped the heat, as there is no previous crust to hold the snowpack together.

Aspects: North, North East, East, West, North West.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 2.5

Deep Persistent Slabs

This layer is shielded by 2 crusts, but is still triggerable from thin to thick transitions. Very much a low probability, high consequence situation.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 2 - 3