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Avalanche Forecast

Archived

Apr 24th, 2025–Apr 25th, 2025

Alpine
Natural avalanches unlikely.
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.

Avoid travelling underneath cornices.

As the crust breaks down, reduce your exposure to avalanche terrain.

Confidence

Moderate

Avalanche Summary

On Wednesday, there was a large cornice failure that triggered a wet loose avalanche out of extreme terrain.

Observations are limited at this time of year.

Snowpack Summary

A thin cust is likely to have formed over up to 20 cm of recent snow at upper elevations. This snow overlies a robust crust everywhere except northerly aspects in the alpine.

Most terrain has undergone strong melt-freeze cycles, creating a strong, well bonded snowpack.

Weather Summary

Thursday Night

Partly cloudy. 20 to 30 km/h southeast ridgetop wind. Treeline temperature 1 °C. Freezing level 2200 m.

Friday

Mix of sun and clouds. 20 to 40 km/h southwest ridgetop wind. Treeline temperature 5 °C. Freezing level 2300 m.

Saturday

Mix of sun and cloud. 10 to 20 km/h west ridgetop wind. Treeline temperature 4 °C. Freezing level 2100 m.

Sunday

Mix of sun and cloud. 10 km/h variable direction ridgetop wind. Treeline temperature 0 °C. Freezing level 1800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.
  • Avalanche danger will increase as the surface crust breaks down.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.