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Avalanche Forecast

Archived

Dec 31st, 2024–Jan 1st, 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

Cariboos, North Columbia, Blue River, Clearwater, McBride, Premier, Quesnel, Clemina, Esplanade, Jordan, North Monashee, North Selkirk.

Watch for wind-loaded areas as the trees open up.

Avoid riding above terrain traps and watch for signs of instability.

Confidence

High

Avalanche Summary

On Monday, one large storm slab avalanche was reported northeast of Revelstoke. It was likely triggered by a cornice falling on the slope.

Snowpack Summary

Expect to find 20 to 40 cm of settling snow in sheltered areas, and wind slabs on lee slopes. On sun-affected slopes, the soft snow covers a melt-freeze crust.

A layer of surface hoar, crust and/or facets exists 60 to 110 cm deep. Reports indicate this layer is hard to find and likely not a concern north of Highway 5. South of Highway 5, no avalanches have been reported on this layer since December 22. It's most likely to linger on north through east aspects between 1700 to 2300 m.

Snow depth at treeline is 120 to 150 cm.

Weather Summary

Tuesday Night

Mostly cloudy with up to 5 cm of snow. 10 to 20 km/h west ridgetop wind. Treeline temperature -10 °C.

Wednesday

Mostly cloudy with up to 5 cm of snow. 10 to 20 km/h west ridgetop wind. Treeline temperature -11 °C.

Thursday

Mostly cloudy. 15 to 25 km/h southwest ridgetop wind. Treeline temperature -12 °C.

Friday

Cloudy with up to 5 cm of snow. 20 km/h south ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be especially cautious as you transition into wind-affected terrain.
  • Watch for signs of instability like whumpfing, hollow sounds, shooting cracks, or recent avalanches.
  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.

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.