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Avalanche Forecast

Archived

Jan 8th, 2024–Jan 9th, 2024

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

Regions

Glacier.

Storm slabs will continue to build throughout the day, limit your exposure until the storm has passed and the new snow has had time to bond.

Confidence

Moderate

Snowpack Summary

30-50cms of recent storm snow sits on a sun crust on solar aspects; firm wind effect in the alpine; and soft facetted snow on sheltered N aspects.

Below 2100m there is a crust down 50-60cm (from Dec 5th/6th).

The Dec 1 surface hoar (decomposing) is down 60-100cm and has seen isolated deep pockets "pop" out in steeper, alpine terrain.

Record low snowpack for the Park.

Weather Summary

Winter has turned on again with another low pressure system arriving from the pacific with increased winds and snowfall before we enter the deep freeze later in the week with artic air pushing south across the province.

Tonight: 13cm, strong S winds, low -12 °C, freezing level at valley bottom.

Tues: 9cm, strong W winds, low -12 °C, FZL 800m

Wed: 4cm, light W winds, low -22 °C

Thurs: Calm and cold, high -22 °C, low -32 °C

Terrain and Travel Advice

  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • If triggered, storm slabs in-motion may step down to deeper layers and result in very large avalanches.
  • Be carefull with sluffing in steep terrain, especially above cliffs and terrain traps.

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.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.