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Avalanche Forecast

Archived

Feb 3rd, 2025–Feb 4th, 2025

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

Regions

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

Conservative terrain travel is recommended to minimize the likelihood of triggering dangerous slab avalanches.

Confidence

Moderate

Avalanche Summary

Many small to large (size 1 to 2) storm slab avalanches have been triggered by riders and naturally over the course of the storm on the weekend. They were mostly 30 to 50 cm deep and occurred on all aspects and at all vegetation bands.

Given that this snow generally rests on weak layers, it remains possible that riders could trigger similar avalanches going forward, where the snow has slab properties.

Snowpack Summary

Around 30 to 50 cm of snow accumulated since last Friday. This snow remains soft in many terrain features, with a lack of recent wind. The snow overlies various layers that it may not bond well to, including faceted grains, surface hoar crystals in wind-sheltered openings, and a hard melt-freeze crust on sun-exposed slopes.

The middle to upper portion of the snowpack remains faceted with numerous other layers of faceted grains, surface hoar, and/or crusts that formed over the month of January.

The lower snowpack is strong.

Weather Summary

Monday Night

Clear skies. 10 to 20 km/h northeast ridgetop wind. Treeline temperature -25 °C.

Tuesday

Clear skies. 10 km/h northeast ridgetop wind. Treeline temperature -21 °C.

Wednesday

Mostly sunny. 10 km/h north ridgetop wind. Treeline temperature -20 °C.

Thursday

Mix of sun and cloud. 10 km/h east ridgetop wind. Treeline temperature -16 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • It's a good day to make conservative terrain choices.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Remote triggering is a big concern, be aware of the potential for wide propagations and large, destructive avalanches at all elevations.

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.