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Avalanche Forecast

Archived

Feb 10th, 2024–Feb 11th, 2024

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

Regions

Northwest Inland, Howson, Kispiox, Microwave-Sinclair, North Bulkley, South Bulkley, South Bulkley, South Bulkley, Telkwa.

Small wind slabs may be rider-triggerable at higher elevations.

Confidence

High

Avalanche Summary

On Friday near Kispiox, wind slabs were reported to be small and hard to trigger along ridgetops and steep entrances.

Several size 2 to 2.5 (large) natural wind slab avalanches were reported in the alpine, occurring more than 3 days ago.

Otherwise, there has been very limited recent avalanche activity.

If you go into the backcountry this weekend, consider submitting a MIN report.

Snowpack Summary

5 to 10 cm of new snow redistributed by recent winds overlies previously well-settled or wind-affected firm surfaces which may have a layer of weak, feathery crystals on top.

Below this, there is a thick and hard melt-freeze crust that extends into the alpine. The 5 cm of snow buries this crust at lower elevations.

The middle of the snowpack contains old, weak faceted layers and hard crusts, which do not currently present a concern.

Weather Summary

Saturday Night

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

Sunday

Partly cloudy. 10 to 20 km/h south ridgetop wind. Treeline temperature -8 °C.

Monday

Few clouds. 40 to 60 km/h northwest ridgetop wind. Treeline temperature -8 °C.

Tuesday

Few clouds. 30 to 50 km/h north ridgetop wind. Treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.

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.