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Avalanche Forecast

Archived

Dec 14th, 2025–Dec 15th, 2025

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Northwest Coastal, Boundary, Stewart, Ningunsaw, Ningunsaw, Ningunsaw.

6am update: In the wake of the storm, avalanche danger will remain elevated on Monday.

Confidence

Moderate

Avalanche Summary

Natural slab avalanches were observed up to size 2.5 in the alpine on Saturday. Once the storm clears on Monday, we are expecting to see evidence of a widespread natural cycle.

Snowpack Summary

30 to 50 cm of new snow fell this weekend with strong wind. In sheltered areas, the new snow may rest on a weak layer of surface hoar.

In general, this season's snowpack is shaping up ideally; deep, strong and uncomplicated. Snowpack depths in excess of 300 cm can be found at treeline elevations.

Weather Summary

Sunday night
Cloudy. 20 cm of snow. 60 km/h southeast ridgetop wind. Treeline temperature -7 °C.

Monday
Cloudy. 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Tuesday
Mostly cloudy. 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Wednesday
Mostly cloudy. 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Don't let the desire for deep powder pull you into high consequence terrain.
  • Keep in mind that human triggering may persist as natural avalanches taper off.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

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.