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Avalanche Forecast

Archived

Jan 4th, 2025–Jan 5th, 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, McBride, Quesnel, Sugarbowl, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

Pay attention to the wind; once it starts to blow, sensitive wind slabs are likely to form.

Windslabs are most reactive shortly after they form.

Confidence

High

Avalanche Summary

A few small, human-triggered, wind slab avalanches were reported in the region on Thursday in isolated features. We anticipate new windslabs forming when the wind speed increases.

Snowpack Summary

Fresh windslabs can be found in the alpine where the wind has deposited snow. The top 10 to 40 cm of snow is faceted (sugary crystals). The middle and lower snowpack consists of rounds and a few crust layers, these are of no concern at this time.

Weather Summary

Saturday night

Cloudy with 0 to 5 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Sunday

Cloudy with 0 to 5 cm of snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Monday

Mostly cloudy. 20 to 30 km/h west ridgetop wind. Treeline temperature -10 °C.

Tuesday

Scattered cloud. 60 to 80 km/h southwest ridgetop wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to the wind; once it starts to blow, sensitive wind slabs are likely to form.
  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Use ridges or ribs to avoid areas of wind-loaded snow.

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.