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Avalanche Forecast

Archived

Dec 7th, 2024–Dec 8th, 2024

Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

North Columbia, South Columbia, Blue River, Clearwater, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, Badshot-Battle, Central Selkirk, Gold.

Choose small, low consequence slopes.

Storm slabs are likely sensitive to rider traffic and remote triggering is possible.

Confidence

Moderate

Avalanche Summary

At the time of publishing we received reports of dry loose and storm slab avalanches up to size 2. These avalanches took place on a variety of aspects at treeline and above.

We suspect far more avalanche activity has taken place but reports are not yet in.

Snowpack Summary

By early morning on December 8th up to 60 cm of new snow may have fallen. This new snow overlies a variety of surfaces including a sun crust on steep south aspects and Surface hoar on northerly aspects.

The mid snowpack is generally well settled, with an early November crust buried 80 to 130 cm deep.

Snowpack depths taper rapidly below treeline.

Weather Summary

Saturday Night

Cloudy with 5 to 25 cm of snow expected. The greatest snowfall amounts are expected in the southern Monashees. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -6°C.

Sunday

Mostly cloudy with up to 10 cm of snow expected. 10 to 30 km/h west ridgetop wind. Treeline temperature -6°C.

Monday

Mostly cloudy with no snow expected. 15 to 25 km/h west ridgetop wind. Treeline temperature -9°C.

Tuesday

Mix of sun and cloud with no snow expected. 15 to 25 km/h west ridgetop wind. Treeline temperature -11°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be aware of the potential for remote triggering and large avalanches due to buried surface hoar.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.