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Avalanche Forecast

Archived

Jan 11th, 2025–Jan 12th, 2025

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Okanagan, Shuswap, North Okanagan.

Travel one at a time in avalanche terrain, and avoid steep slopes if you see signs of instability like shooting cracks.

The most caution will be required around wind exposed ridges.

Confidence

High

Avalanche Summary

On Wednesday, only sluffs and small dry loose avalanches were reported.

Observations in this region are limited. If you head into the backcountry, submit a MIN report to let us know what you see.

Snowpack Summary

Expect to find wind slabs on leeward slopes in the alpine and at treeline. Recent snowfall varies across the region. 20-40 cm of settling snow sits on small surface hoar or a thin crust in specific terrain.

A crust buried in early December is 50 to 85 cm deep. In some places there are weak facets above the crust, but it is not a current avalanche problem.

The mid and lower snowpack are generally strong and well settled.

The snowpack is 100-150 cm deep at treeline.

Weather Summary

Saturday Night

Cloudy. 30 km/h northwest ridgetop wind. Treeline temperature -5 °C.

Sunday

Cloudy with 0 to 3 cm of snow. 25 km/h northwest ridgetop wind. Treeline temperature -5 °C.

Monday

Mostly sunny. 15 to 25 km/h northwest ridgetop wind. Possible temperature inversion above 1500 m. Treeline temperature -3 °C.

Tuesday

Mostly sunny. 10 to 20 km/h southwest ridgetop wind. Possible temperature inversion above 1000 m. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

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.