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Avalanche Forecast

Archived

Nov 30th, 2023–Dec 1st, 2023

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

Regions

North Rockies, Sugarbowl, Kakwa, McGregor, Pine Pass, Renshaw, Robson.

Beware of early-season hazards lurking below the snow.

Wind-loaded slopes hold the most snow but may also contain reactive wind slabs.

Confidence

Moderate

Avalanche Summary

No new or recent avalanches have been reported in our region.

Please continue to submit MIN reports and support your backcountry community.

Snowpack Summary

Unconsolidated snow, 15 to 30 cm, overlies a series of crusts in most areas. In exposed areas, it covers old wind slab.

At treeline, the height of snow ranges from approximately 50 to 90 cm. Below this elevation, snow height decreases drastically.

The snowpack at all elevations is very shallow and contains many potential hazards just beneath the surface.

Read the new Forecaster's Blog for more on the early-season snowpack.

Weather Summary

Thursday Night

Increasing cloud cover, no precipitation, alpine winds southwest 10 to 15 km/h, treeline temperature -8 °C.

Friday

Cloudy with some sunny periods, trace accumulation, alpine winds southwest 15 to 30 km/h, treeline temperature -6 °C.

Saturday

Mostly cloudy, 2 to 8 cm accumulation, alpine winds southwest 25 to 45 km/h, treeline temperature -8 °C.

Sunday

Cloudy, 10 to 15 cm accumulation, alpine winds southwest 20 km/h gusting to 70, treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Expect shallow snow cover that barely covers ground roughness.
  • Avalanche danger is often elevated in alpine gullies where snow has accumulated.

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.