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Avalanche Forecast

Archived

Dec 26th, 2024–Dec 27th, 2024

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

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

Look for areas of soft snow, sheltered from the wind to ride.Watch for signs of instability like shooting cracks when entering wind affected terrain.

Confidence

Low

Avalanche Summary

No new avalanches have been recently reported.

If you are out in the backcountry consider submitting your observations to the MIN.

Snowpack Summary

20 to 40 cm of new snow now hides the old heavily wind affected snow, with some slopes stripped from recent strong southerly winds.

In sheltered areas, a crust from early December sits below 20 to 80 cm of settling snow. This layer has produced avalanche activity and shown reactivity on testing. However, observations are limited in this region and the reactivity or distribution of this is not well understood.

There are no current deeper layers of concern.

Data is very limited in this region, please submit MIN reports if you head into the mountains. Any data or photos are helpful!

Weather Summary

Thursday Night

Mostly cloudy with up to 5 cm of snow. 20 to 40 km/h south ridgetop winds. Treeline temperature -6 °C.

Friday

Partly cloudy. 20 to 30 km/h west ridgetop winds. Treeline temperature -5 °C.

Saturday

Mix of sun and cloud with flurries. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Sunday

Mostly cloudy with up to 3 cm of snow. 10 to 20 km/h west ridgetop winds. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Expect slab conditions to change drastically as you move into wind-exposed terrain.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

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.