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Archived

Avalanche Forecast

Dec 29th, 2024–Dec 30th, 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
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

Old wind slabs may remain be surprisingly reactive where they sit over weak grains and a crust.

Confidence

Moderate

Avalanche Summary

No avalanches have been observed recently.

Snowpack Summary

A dusting of new snow may sit over heavily wind-affected surfaces in the alpine and at treeline. Pockets of soft snow can be found in sheltered, lower angle terrain.

A crust from early December is buried 30 to 50 cm deep. A weak layer of surface hoar or facets may be found above it. This layer is likely to persist as an avalanche problem as it gets buried deeper.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Sunday night

Increasing cloud. <15 km/h variable ridgetop wind. Treeline temperature -7 °C.

Monday

Mainly cloudy. Isolated flurries with minimal accumulation. <20 km/h variable ridgetop wind. Treeline temperature -7 °C.

Tuesday

Cloudy with up to 5 cm of new snow. 20 to 40 km/h southeast ridgetop wind, increasing. Treeline temperature -10 °C.

Wednesday

Cloudy with up to 5 cm of new snow. 20 to 40 km/h southeast ridgetop wind. Treeline temperature -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Be especially cautious as you transition into wind-affected terrain.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

Avalanche Problems

Wind Slabs

Old, hard wind slabs sitting on faceted snow in shallow, rocky start zones may remain reactive to a human or machine triggers.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5