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Archived

Avalanche Forecast

Jan 27th, 2025–Jan 28th, 2025
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: Howson, Kitimat, Nass, Rupert, Seven Sisters, Shames.

Cooler temperatures are expected to lower the danger.

Watch for small wind slabs building with new snow and wind.

Confidence

Moderate

Avalanche Summary

On Sunday, numerous small wet loose avalanches occurred during warm temperatures and sunshine. A few of them triggered wind slabs.

Snowpack Summary

Large surface hoar crystals have been reported growing in sheltered spots at treeline and below. A surface crust is likely to form on solar slopes as the temperatures cool off.

15 to 30 cm of settling snow sits on either old wind-affected layers or possibly surface hoar in sheltered spots. In exposed areas, soft snow has been redistributed into wind slabs.

100 to 200 cm deep in the snowpack are layers of crust, facets, and possibly surface hoar that were buried in December.

The lower snowpack is generally well-settled and unconcerning.

Weather Summary

Monday Night

Cloudy. 20 to 40 km/h west ridgetop wind. Treeline temperature -4 °C.

Tuesday

Cloudy with 0 to 10 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 700 m.

Wednesday

Cloudy with 10 to 20 cm of snow overnight and 5 to 10 cm during the day. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Thursday

Mostly cloudy with 5 to 10 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.
  • Be careful as you transition into wind-affected terrain.

Avalanche Problems

Wind Slabs

New snow is falling with wind. Expect to find small wind slabs in lee terrain features.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5

Persistent Slabs

It is unlikely that a person will trigger this layer. However, if a large load drops on a slope, like a cornice or an avalanche, it's possible it could step down deep in the snowpack.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 2 - 3