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Avalanche Forecast

Archived

Feb 10th, 2025–Feb 11th, 2025

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 Okanagan, Shuswap, North Okanagan.

Continue to assess steep slopes for stiff, cohesive slabs that may be poorly bonded to weak layers below.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported.

If you do head into the backcountry consider submitting a MIN post.

Snowpack Summary

Surface hoar growth continues, along with the faceting of the upper snowpack with cold, clear weather. Variable wind-affected surfaces exist in exposed terrain, while low-density, dry snow exists elsewhere.

Buried at the end of January, roughly 20 to 40 cm deep, is a variety of potential weak layers of surface hoar, facets, and/or crusts. This layer is most likely preserved in areas sheltered from the wind at treeline elevations.

The lower snowpack is strong and bonded.

Weather Summary

Monday Night

Clear skies. 20 to 30 km/h north ridgetop wind. Treeline temperature -18 °C.

Tuesday

Sunny. 20 to 30 km/h north ridgetop wind. Treeline temperature -16 °C.

Wednesday

Sunny. 20 to 30 km/h northwest ridgetop wind. Treeline temperature -16 °C.

Thursday

Sunny. 20 to 30 km/h southeast ridgetop wind. Treeline temperature -14 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
  • Investigate the bond of the recent snow before committing to your line.
  • Surface hoar distribution is highly variable. Avoid generalizing your observations.
  • Make observations and continually assess conditions as you travel.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.