Avalanche Forecast

Issued: Nov 26th, 2023 4:00PM

The alpine rating is moderate, the treeline rating is low, and the below treeline rating is early season. Known problems include Deep Persistent Slabs.

Avalanche Canada RJ, Avalanche Canada

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Brazeau, Cirrus-Wilson, Icefields.

The snowpack is generally shallow but avalanches are still possible. Watch for a slab sitting over the weak base of facets.

Summary

Confidence

Moderate

Avalanche Summary

No new avalanches observed Saturday and visibility was excellent. No patrol Sunday.

Snowpack Summary

Wind has scoured exposed areas at tree line and above. Wind loaded locations have between 25-45cm of snow sitting over a faceted base. In general, the snowpack is shallow but the structure fits the definition for Deep Persistent Slab.

Surface hoar up to 10mm has grown in recent cold temperatures.

Weather Summary

The Mountain Weather Forecast is available from Avalanche Canada https://www.avalanche.ca/weather/forecast

A ridge of high pressure continues to maintain dry conditions.

Terrain and Travel Advice

  • If it's deep enough to ride, it's deep enough to slide (avalanche).

Problems

Deep Persistent Slabs

An icon showing Deep Persistent Slabs

A slab may be sitting over weak basal facets. Even in shallow snowpacks Deep Persistent Slab problems are characterized by a weakness caused by a metamorphosis of snow grains at the base of the snowpack.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Nov 27th, 2023 4:00PM

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