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Archived

Avalanche Forecast

Dec 3rd, 2022–Dec 4th, 2022
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
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

Regions: Bow Valley, Kananaskis, Spray - KLakes.

Lots of wind moving snow around and loose dry activity on the rocky faces observed today. Continue to travel cautiously as the snowpack is weak and faceted at this time.

Confidence

Moderate

Avalanche Summary

A couple size 2 windslab avalanches were observed along the spray today.

One of which was off repeater slope (lookers right when in the Tryst lakes exit gully) this came across the whole feature. This started from steep crossloaded terrain above.

Lots of loose dry activity poring off the steepest alpine faces.

Snowpack Summary

5-8cm of new snow over the past few days has done little to change the overall avalanche danger. Winds were much stronger today from the NW and has helped build new windslabs.

The cold temps are only making the weak base weaker. Unfortunately this will likely remain with us for the season....

The new snow is likely to sluff easily in steeper terrain. This is of particular importance to ice climbers who are often in steep gullies.

Weather Summary

Sunday we will contuine to see a warming trend to a high of -5. Scattered sun and no precip expected. Light easterly winds.Monday

Possibility for 7cm of snow and cooler temps once again. -14 as a day time high. West winds will hit 40km/h

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Ice climbers should be equipped with avalanche safety gear.
  • Loose avalanches may start small but they can grow and push you into dangerous terrain.
  • Winter conditions may exist in gullies, alpine bowls, and around ridgelines.

Avalanche Problems

Loose Dry

Loose dry avalanches within the upper snowpack in steep terrain.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Very Likely

Expected Size: 1 - 1.5

Wind Slabs

Wind slabs are expected in terrain along ridgelines and in gullied areas. Feel for that drummy or hollow snowpack under your feet. This is an indication of a windslab.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2