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Avalanche Forecast

Archived

Mar 13th, 2026–Mar 14th, 2026

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

Regions

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

Recent snow may remain reactive due to an underlying crust. Be mindful that sunshine can have a powerful effect on stability - and your desire to push into aggressive terrain.

Confidence

Moderate

  • We are uncertain about how the timing or intensity of solar radiation will affect the snowpack.
  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

On Wednesday and Thursday, explosives and ski cuts produced numerous cornices and storm slab avalanches size 1-2. Observations of natural activity have been limited by visibility.

If you head out, please consider posting your observations to the Mountain Information Network.

Snowpack Summary

20 to 60 cm of recent snow has been redistributed by previous strong to extreme southwesterly winds at upper elevations.

The recent snow sits over a widespread crust below 2100 m. The snowpack below the crust is generally well settled and has no significant layers of concern.

Weather Summary

Friday Night
Partly cloudy. 20 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Saturday
Sunny. 20 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Sunday
Mostly cloudy. 1 to 2 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -8 °C.

Monday
Mostly cloudy. 5 to 30 cm of snow. 70 km/h southwest ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep in mind a buried crust offers an excellent bed surface for avalanches.
  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Be alert to conditions that change with elevation and sun exposure.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.