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Avalanche Forecast

Archived

Dec 31st, 2024–Jan 1st, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky, Brandywine, Garibaldi, Homathko, Spearhead, Tantalus, Sky Pilot.

While 2025 begins with a generally stable snowpack and excellent powder conditions, be cautious of lingering wind slabs in steep alpine terrain.

Confidence

High

Avalanche Summary

A few small loose avalanches in very steep terrain have been reported since the weekend.

Otherwise, no new slab avalanches have been reported since a natural avalanche cycle late last week.

Snowpack Summary

Low-density, facetted snow can be found on the surface, with variable wind effect at higher elevations in exposed terrain.

Recent storm snow continues to bond to a widespread crust found approximately 50 to 100 cm deep.

A previously reactive layer of surface hoar and a crust persists down 90 to 160 cm from the surface. While this layer continues to produce snowpack test results, no recent avalanche activity has occurred on this layer.

The lower snowpack is generally well-bonded and strong.

Weather Summary

Tuesday Night

Partly cloudy. 10 to 20 km/h southeast ridgetop wind. Treeline temperature -7 °C.

Wednesday

Mostly sunny. 10 to 20 km/h southeast ridgetop wind. Treeline temperature -7 °C.

Thursday

Cloudy with 2 to 5 cm of snow. 30 to 40 km/h south ridgetop wind. Treeline temperature -5 °C.

Friday

Cloudy with 5 to 10 cm of snow. 10 to 30 km/h south ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid areas where the snow feels stiff and/or slabby.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

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.