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Avalanche Forecast

Archived

Dec 27th, 2025–Dec 28th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

Wind slabs may be found in atypical locations due to reverse loading from northerly winds.

Monitor for signs of instability, and avoid committing to steep slopes if the snow feels dense.

Confidence

Moderate

  • Uncertainty is due to the limited number of field observations.

Avalanche Summary

No new avalanches reported.

We expect that the short lived cold temperatures will prolong the possibility of human triggered wind slabs through Sunday. Continue to assess as you travel and watch for signs of instability.

Snowpack Summary

Up to 25 cm of recent snow has been redistributed by variable winds forming wind slabs on most aspects. Below this a wind affected upper snowpack exists.

Up to 110 cm of settling snow sits on the mid-December crust over wet snow. This forms the basal snowpack to about 2200 m. Above this elevation, a deeper crust with associated facets, formed in mid-November, can be found just off the ground.

Weather Summary

Saturday Night
Mostly clear skies. 20 km/h west ridgetop wind. Treeline temperature -10 °C.

Sunday
Mostly cloudy. 1 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday
Mostly cloudy. 1 to 2 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Tuesday
Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.