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Avalanche Forecast

Archived

Dec 29th, 2024–Dec 30th, 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

Northwest Inland, Kispiox, North Bulkley, South Bulkley, South Bulkley, South Bulkley, Telkwa.

Old wind slabs may remain be surprisingly reactive where they sit over weak grains and a crust.

Confidence

Moderate

Avalanche Summary

No avalanches have been observed recently.

Snowpack Summary

A dusting of new snow may sit over heavily wind-affected surfaces in the alpine and at treeline. Pockets of soft snow can be found in sheltered, lower angle terrain.

A crust from early December is buried 30 to 50 cm deep. A weak layer of surface hoar or facets may be found above it. This layer is likely to persist as an avalanche problem as it gets buried deeper.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Sunday night

Increasing cloud. <15 km/h variable ridgetop wind. Treeline temperature -7 °C.

Monday

Mainly cloudy. Isolated flurries with minimal accumulation. <20 km/h variable ridgetop wind. Treeline temperature -7 °C.

Tuesday

Cloudy with up to 5 cm of new snow. 20 to 40 km/h southeast ridgetop wind, increasing. Treeline temperature -10 °C.

Wednesday

Cloudy with up to 5 cm of new snow. 20 to 40 km/h southeast ridgetop wind. Treeline temperature -12 °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.
  • Be especially cautious as you transition into wind-affected terrain.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

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.