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Avalanche Forecast

Archived

Apr 22nd, 2025–Apr 23rd, 2025

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

Regions

Cariboos, North Rockies, Blue River, McBride, Premier, Quesnel, Sugarbowl, Clemina, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

Strong westerly wind may form wind slabs on lee aspects at upper elevations.

Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Confidence

Moderate

Avalanche Summary

On Monday, a skier triggered size 1 storm slab was reported on north aspect in the alpine.

NOTE: Observations are currently very limited in this region.

Snowpack Summary

Up to 20 cm of recent snow may be found at upper elevations. This snow overlies a robust crust everywhere except northerly aspects at upper elevations. Strong westerly wind may form wind slabs on lee aspects at upper elevations.

Most terrain has undergone strong melt-freeze cycles, creating a strong, well bonded snowpack. The one exception could be northerly aspects at upper elevations, where deeply buried weak layers may still be present.

Weather Summary

Tuesday Night

Mostly cloudy with isolated flurries, 0 to 3 cm snow. 40 to 50 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 1300 m.

Wednesday

Mix of sun and cloud. 20 to 30 km/h west ridgetop wind. Treeline temperature 1 °C. Freezing level 1900 m.

Thursday

Sunny. 5 to 10 km/h south ridgetop wind. Treeline temperature 6 °C. Freezing level 2400 m.

Friday

Sunny. 30 to 40 km/h south ridgetop wind. Treeline temperature 7 °C. Freezing level 2500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

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.