Avalanche Forecast
Regions: Banff, Banff Yoho Kootenay, East Side 93N, Field, Kootenay, LLSA, Lake Louise, Sunshine, West Side 93N.
The deep persistent problem has been removed from the forecast region due to the absence of recent avalanche activity. However, the layer remains in the snowpack and could re-emerge as a concern in the future. Wind could increase Tuesday in the high alpine.
Confidence
Moderate
Avalanche Summary
No avalanches were observed or reported today.
Snowpack Summary
Wind slabs remain on lee slopes in the alpine and at treeline. At treeline, the mid-pack consists of facets over the October crust and depth hoar at the bottom. Snow depths at treeline range from 60-100 cm.
Weather Summary
Generally clear weather is expected on Monday, with slightly warmer temperatures. Valley temperatures will be around -9°C, and ridge temperatures near -15°C. Winds at 3000m may increase into the strong range from the NW.
Terrain and Travel Advice
- Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
Avalanche Problems
Wind Slabs
Generally light winds today, combined with cool alpine temperatures, have had minimal impact on wind slab formation. However, wind slabs remain present in alpine lee areas. Exercise caution in wind-loaded terrain, especially near ridges, convex slopes, and leeward features.
Aspects: All aspects.
Elevations: Alpine.
Likelihood: Unlikely - Possible
Expected Size: 1 - 1.5