Avalanche Forecast

Issued: Jan 30th, 2025 4:00PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Storm Slabs.

Avalanche Canada Avalanche Canada, Avalanche Canada

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The incoming storm is driving the avalanche danger. Reactive storm slabs will build throughout the day.

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Summary

Confidence

Moderate

Avalanche Summary

No new avalanches were reported on Wednesday.

Natural and human-triggered avalanches are likely on Friday.

Snowpack Summary

15 to 25 cm of snow is forecast by Friday afternoon. The new snow will likely have a poor bond to the old snow surfaces. These consist of a thick melt-freeze crust on sun-exposed slopes, large surface hoar and/or facets on shaded slopes, and wind-affected surfaces in exposed terrain at ridgelines.

The mid and lower snowpack are generally strong and well-settled. Treeline snowpack depths average 100-150 cm.

Weather Summary

Thursday Night

Cloudy with snow 10 to 15 cm. 20 to 60 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Friday

Cloudy with snow 5 to 10 cm. 15 gusting to 45 km/h south ridgetop wind. Treeline temperature -6 °C.

Saturday

New snow 5 cm. 15 gusting to 30 km/h south ridgetop wind. Treeline temperature -7 °C.

Sunday

Cloudy with flurries. 10 to 20 km/h south ridgetop wind. Treeline temperature -10 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Avoid freshly wind-loaded terrain features.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

Problems

Storm Slabs

An icon showing Storm Slabs

The new snow will have a poor bond to the underlying snow surfaces and reactive storm slabs may build through the day. Northeast aspects will likely see deeper slabs with wind loading.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely - Very Likely

Expected Size

1 - 2

Valid until: Jan 31st, 2025 4:00PM

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