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Avalanche Forecast

Archived

Dec 15th, 2024–Dec 16th, 2024

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

Regions

North Rockies, Sugarbowl, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

Investigate for wind slabs around ridges and lee features, especially as you move into more open or alpine terrain.

Confidence

Moderate

Avalanche Summary

No recent avalanche reports.

Data is very limited in this region. Please submit your MIN (Mountain Information Network)

Snowpack Summary

15 to 30 cm fresh snow accumulated over the weekend. At upper elevations, wind has redistributed snow to lee features.

The fresh and recent snow overlies a hard melt-freeze crust. There are no deeper layers of concern.

Data is very limited in this region.

Weather Summary

Sunday night

Cloudy with stary breaks. 20 to 40 km/h west ridgetop wind. Treeline temperature -15 °C.

Monday

Cloudy with sunny breaks. 10 to 20 km/h northwest ridgetop winds. Treeline temperature -12 °C.

Tuesday

Cloudy with sunny breaks. Increasing southwest ridgetop winds. Treeline temperature -13 °C.

Wednesday

Flurries, 5 to 10 cm. 30 to 50 km/h southwest ridgetop winds. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • The best and safest riding will be on slopes that have soft snow without any slab properties.

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.