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Avalanche Forecast

Archived

Feb 9th, 2024–Feb 10th, 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 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.

Strong winds will form small reactive windslabs throughout the day.

A widespread surface crust has created relatively stable avalanche conditions, but travel is challenging.

Confidence

High

Avalanche Summary

No recent avalanche activity has been reported.

If you head out consider posting to the mountain information network.

Snowpack Summary

Up to 15 cm of dry snow has accumulated atop a widespread hard crust. In general, the crust is strong and supportive to travel on.

Currently, it's unlikely that any lingering weak layers deeper in the snowpack could be triggered due to the strong supportive crust above.

Last week's warm temperatures significantly melted the snowpack below the treeline and in shallow alpine terrain. See the North Rockies MIN post for photos of conditions in the Morfee area.

Areas in the east of the region are largely characterized by a shallow and faceted snowpack.

Weather Summary

Friday Night

Mostly clear, 30 to 40 km/h west alpine wind, treeline temperature -9 °C.

Saturday

Mostly cloudy with up to 5 cm of snow, 50 to 70 km/h west alpine wind, treeline temperature -3 °C.

Sunday

Mostly cloudy with up to 5 cm of snow, 40 to 60 km/h southwest alpine wind, treeline temperature -3 °C.

Monday

Mostly sunny, 30 to 40 km/h northwest alpine wind, treeline temperature -6 °C

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Expect shallow snow cover that barely covers ground roughness.
  • Wind slabs are most reactive during their formation.

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.