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Avalanche Forecast

Archived

Dec 4th, 2022–Dec 5th, 2022

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Northwest Inland, Kispiox, Microwave-Sinclair, Ningunsaw, South Bulkley, South Bulkley, Telkwa.

After many windy and cold days, the best riding is likely in terrain sheltered from the wind.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported, but observations are limited this time of year. If you do head into the backcountry please submit a MIN report!

Snowpack Summary

Strong wind from the east over the past week has scoured east slopes and created hard wind slabs on south and west facing slopes.

A layer from mid-November is buried 50 to 70 cm deep at treeline. This layer consists of surface hoar, facets and as a crust below treeline and on south facing slopes. This layer was reactive a week ago (Nov 27 and 28), but has likely trended towards being unreactive under the current conditions.

Many early-season hazards exist below treeline such as rocks, stumps, and open creeks.

Weather Summary

Sunday night

Mostly cloudy skies, no precipitation, 20 to 40 km/h wind from the northwest, treeline temperatures cool to -10 °C.

Monday

Mostly cloudy, no precipitation, 30 to 40 km/h wind from the northwest, treeline temperatures around -8 °C.

Tuesday

Cloudy, isolated flurries with trace amounts of snow, 40 to 60 km/h wind from the northwest, treeline temperatures around -10 °C.

Wednesday

Cloudy, isolated flurries with 2 to 5 cm of snow, 50 to 70 km/h wind from the southwest, treeline temperatures around -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Use caution when approaching steep and rocky terrian.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

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.