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Archived

Avalanche Forecast

Dec 1st, 2019–Dec 2nd, 2019
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
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

Regions: Jasper.

Decent skiing can be found on protected south and west aspects.

Weather Forecast

An upper level low over the west coast is forcing a western zonal flow across BC; means high level west winds will drag moisture across the Interior. This will lead with a desperately wanted rise in the daily average temperature and freezing levels through the region. Snowfall forecasted for the coming week. Details here: Mountain Weather Forecast.

Snowpack Summary

The shallow snowpack areas will be faceting and loosing support underfoot though much of the forecast region due to the sustained cold temps. Windslabs and wind effect in exposed areas. The fervent hunter may find up to 10-20cm of soft snow found in sheltered S and W pitches. This sits over the Nov crust and is supportive to skis on solar aspects.

Avalanche Summary

Several loose dry avalanches in the alpine from steep terrain on a variety of aspects

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Avalanche Problems

Loose Dry

Sluffing can entrain enough volume to become a significant hazard to Climbers, especially in confined space and terrain traps

  • Be cautious of sluffing in steep terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5

Wind Slabs

This problem mostly exists in the alpine with the exception of isolated, exposed treeline features.

  • Keep an eye out for reverse loading created by N-NE winds.
  • Be careful with reverse loaded pockets of wind slab at ridgeline.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2