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Avalanche Forecast

Archived

Dec 13th, 2025–Dec 14th, 2025

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

Regions

Cariboos, Blue River, McBride, Premier, Quesnel, Sugarbowl, Clemina, North Monashee, Renshaw, Robson.

A buried weak layer continues to heighten concerns and sustain dangerous avalanche conditions.
Avoid areas with overhead hazard and test small, low consequence slopes.

Confidence

Moderate

Avalanche Summary

On Tuesday, an avalanche cycle very large natural avalanches (size 3) and lots of small (size 1) rider-triggered storm slabs.

Whumpfing and rider-triggering of the buried surface hoar continued on Wednesday and Thursday.

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

Snowpack Summary

Around 50 to 80 cm of recent storm snow fell with strong southwest wind, forming deeper deposits in leeward terrain features.

Wide avalanches can be remotely triggered on a preserved layer of surface hoar that may be found in openings around treeline. This layer is underneath the new storm snow. This layer appears to be widespread south of Highway 16 and spottier north of the highway.

Below this is a hard melt-freeze crust from mid-November that may be an issue in the south of the region. If there are facets on this crust, be very cautious.

Weather Summary

Saturday Night
Cloudy. 5 to 15 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -2 °C.

Sunday
Mostly cloudy. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Monday
Mostly cloudy. 10 to 25 mm of precipitation as snow or rain at treeline. 50 km/h south ridgetop wind. Treeline temperature 1 °C.

Tuesday
Mostly cloudy. 5 to 20 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be aware of the potential for remote triggering and large avalanches due to buried surface hoar.
  • Use conservative route selection. Choose simple, low angle terrain with no overhead hazard.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.

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.

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.