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Avalanche Forecast

Archived

Dec 8th, 2024–Dec 9th, 2024

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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast, Powell River, Tantalus, North Shore, Sasquatch, Sasquatch, Sky Pilot, Tetrahedron.

The high alpine is where you will have the best chance of finding soft, dry snow, as well as heightened avalanche conditions on specific terrain features.

Confidence

Moderate

Avalanche Summary

There have been no recent reports of avalanches in the region. We suspect loose wet avalanches to have run during the rainstorm over the weekend. Avalanche activity is expected to decrease as temperatures cool.

If you are going out in the backcountry, please consider sharing your observations to the Mountain Information Network (MIN).

Snowpack Summary

In the alpine, new snow from the weekend (we suspect up to 30 cm) sits over moist snow. Elsewhere, a crust develops over a rain-soaked snowpack.

Snow depths at treeline vary across the region. Prior to the rain, 140 cm was reported at Knuckles, 95 cm on the North Shore and 175 cm near Sky Pilot.

Weather Summary

Sunday Night

Partly cloudy. <15 km/h northwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1000 m.

Monday

A mix of sun and cloud. <15 km/h northwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1000 m.

Tuesday

Mostly cloudy with sunny breaks. 20 to 30 km/h northwest ridgetop wind switching southwest. Treeline temperature +2 °C. Freezing level 2700 m.

Wednesday

Mostly cloudy with sunny breaks. 40 to 60 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 1500 to 1000 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.
  • Start on smaller terrain features and gather information before committing to bigger terrain.

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.