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Avalanche Forecast

Archived

Mar 30th, 2026–Mar 31st, 2026

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

Sheltered, shaded terrain holds the best riding and the lowest avalanche danger.

Space out to avoid exposing multiple people to a slope at once, and give cornices a wide berth.

Confidence

High

  • We are confident due to a stable weather pattern.

Avalanche Summary

Both Thursday and Friday, large to very large (size 2-3) natural storm slab avalanches were reported near Anderson Lake.

The most recent avalanche on a persistent weak layer was reported on Monday, March 23 when an explosive triggered cornice fall stepped down to basal facets in a steep, rocky start zone.

Snowpack Summary

Expect to find 30 to 50 cm of settling snow over a thick and hard crust below about 1900 m, and old wind-affected snow at upper elevations.

Steep south facing slopes may be crusty or moist depending on time of day and sun exposure.

Two older crusts (1-1.5 m deep), buried in early February and March previously produced large to very large avalanches, but they seem to have gained strength and are not a current concern.

Weather Summary

Monday Night

Mostly clear skies. Ridgetop winds increasing through the night to 30 km/h from the southwest. Treeline temperature -9 °C.

Tuesday

Mix of sun and clouds. 30 km/h southwest ridgetop wind. Treeline high -5 °C. Freezing level rising to 1500 m.

Wednesday

Mix of sun and clouds. 2 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -5 °C.

Thursday

Mix of sun and clouds. 1 to 5 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Travel early on sun-exposed slopes before cornices weaken with daytime warming.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Avoid terrain traps such as gullies and cliffs where the consequence of any avalanche could be serious.

Problems

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.

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.