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Avalanche Forecast

Archived

Nov 25th, 2023–Nov 26th, 2023

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

Regions

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

Assess local conditions, especially in the early season with limited observations.

The primary hazard continues to be a shallow snowpack with numerous obstacles just below the surface.

Confidence

Low

Avalanche Summary

No recent avalanches have been reported. Information from the field is sparse this time of year. Consider submitting a MIN report if you are recreating in the mountains.

Snowpack Summary

The snowpack is generally very shallow and contains many potential hazards just beneath the snow surface. At treeline, the height of snow ranges from approximately 50 to 100 cm. As you descend to lower elevations, snow depths decrease significantly. The snowpack remains relatively shallow in the alpine and shows signs of heavy wind scouring.

At higher elevations, deeper, wind-loaded pockets of snow may sit atop a weak, facetted basal snowpack.

Weather Summary

Saturday Night

Mostly cloudy with no precipitation, west alpine winds 20 to 40 km/h, treeline temperature -5 °C.

Sunday

Mostly cloudy with no precipitation, west alpine winds 20 to 30 km/h, treeline temperature -3 °C.

Monday

Cloudy with isolated flurries and trace accumulation, west alpine winds 50 to 70 km/h, treeline temperature -4 °C.

Tuesday

Cloudy with flurries and 0 to 5 cm, west alpine winds 40 to 60 km/h, treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Expect shallow snow cover that barely covers ground roughness.
  • Winter conditions may exist in gullies, alpine bowls, and around ridgelines.
  • If it's deep enough to ride, it's deep enough to slide (avalanche).

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.