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Avalanche Forecast

Archived

Apr 6th, 2026–Apr 7th, 2026

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

Regions

Sea To Sky, Brandywine, Garibaldi, Homathko, Powell River, Spearhead, Tantalus, Sky Pilot, Tetrahedron.

Temperatures and danger ratings are falling.

Watch for lingering wind slabs and large cornices as you gain elevation.

Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.

Avalanche Summary

On Sunday, wet loose activity was reported at all elevations to size 2.5. In addition, numerous cornice falls and wind slab avalanches were reported.

As temperatures cool, wet loose activity is unlikely.

Snowpack Summary

Overnight cooling will likely form a widespread surface crust. Beneath the crust, the upper snowpack will remain moist, gradually refreezing as temperatures drop.

Dry snow remains on the highest, north facing slopes spared from the warming. This sits over a crust/facet layer from late March.

A thick crust sits 80-100 cm deep. Near Whistler, some facets have been reported around this crust. The snowpack below is moist, but well settled and strong.

Weather Summary

Monday Night
Mostly clear skies. 40 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 1500 m.

Tuesday
Sunny. 20 km/h northwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1400 m.

Wednesday
Sunny. 20 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 1500 m.

Thursday

Sunny. 10 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 1900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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.

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.