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Avalanche Forecast

Archived

Dec 12th, 2025–Dec 13th, 2025

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

Regions

Clearwater, South Okanagan, Shuswap, North Okanagan.

As you move above the rain crust, investigate the bond of the recent snow to the layers below.

Confidence

Moderate

Avalanche Summary

A very large (size 3.5) storm slab avalanche was reported near Kelowna on a north east aspect at 2200 meters. This avalanche was triggered utilizing explosives and was 500 meters wide and ran 600 meters in length.

Numerous other small to large (size 1-2) storm slab avalanches where reported on mostly north aspect terrain.

Your observations and experiences are important for all users, Please consider posting a MIN if you head into the backcountry.

Snowpack Summary

Above 1500 m up to 25 cm of new snow overlies a thin rain crust that formed earlier in the week. Below the crust, another 40 cm of storm snow exists.

A layer of surface hoar and/or faceted grains and a hard melt-freeze crust from mid-November can be found down 40 -80 cm in the snowpack. Weak faceted grains may extend to the base of the snowpack, particularly in areas where the snowpack is thin.

Snow depths at treeline vary from about 50 to 100 cm and decrease rapidly at lower elevations.

Weather Summary

Friday Night
Cloudy. 4 to 5 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 800 m.

Saturday
Mostly cloudy. 1 to 4 mm of precipitation as snow or rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1800 m.

Sunday
Mix of sun and clouds. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2100 m.

Monday
Mostly cloudy. 10 mm of precipitation as snow or rain at treeline. 60 km/h south ridgetop wind. Treeline temperature 1 °C. Freezing level 1900 m.



More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Be careful as you transition into wind-affected terrain.
  • Be cautious of buried obstacles, especially below treeline.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.