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Avalanche Forecast

Archived

Mar 9th, 2026–Mar 10th, 2026

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

Regions

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

Assess local conditions carefully, as new snow accumulates throughout the day, both the likelihood and size of avalanches will increase.

Confidence

High

  • The snowpack structure is well understood.
  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

On Sunday, widespread wind slab avalanche activity up to size 2 was reported, primarily on northerly alpine terrain.

Cooler temperatures should decrease the reactivity of wind slabs formed over the weekend. However, new snow and wind could form fresh slabs at the surface.

Snowpack Summary

Small amounts of new snow are accumulating on recently wind-affected storm snow at treeline and above, and on crusty surfaces at lower elevations. A crust from last weekend’s rain exists up to approximately 2000 m, becoming thin or absent at higher elevations.

The mid and lower snowpack are generally well settled with no significant concerns at this time.

Check out this MIN report from the Spearhead Glacier area for more details.

Weather Summary

Monday Night
Mostly cloudy. 2 to 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Tuesday
Cloudy. 15 to 25 cm of snow, with the highest amounts forecast for areas to the south of the region. 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Wednesday
Mostly cloudy. 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Thursday
Mostly cloudy. 10 to 15 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Avoid areas where the snow feels stiff and/or slabby.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

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.