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Avalanche Forecast

Archived

Jan 22nd, 2023–Jan 23rd, 2023

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

Regions

South Coast, North Shore, Sasquatch, Sky Pilot, Tetrahedron.

Pay attention to the wind direction as there is plenty of snow to build wind slabs in the coming days.

Confidence

High

Avalanche Summary

Reports on Saturday indicate avalanche activity was limited to a few wind slabs to size 1.5 at treeline and some loose dry avalanches from steep terrain to size 1.

Please continue to post your reports and photos to the Mountain Information Network.

Snowpack Summary

10-20 cm of new snow from Saturday is likely to be found in wind sheltered terrain features. This sits over 50 cm of settling snow at higher elevations and sits on a hard crust at lower elevations 800m and below.

Last week's rain saturated the snowpack and created a well settled and strong lower snowpack.

Weather Summary

Sunday Night

Mainly cloudy with isolated flurries. Light to moderate northwest wind. Treeline temperature around -4 C. Freezing level around 500 m.

Monday

Cloudy with scattered flurries delivering up to 5 cm of snow. Moderate to strong northwest wind. Treeline temperature around -4 C. Freezing level around 500 m.

Tuesday

Cloudy with isolated flurries. Moderate northwest wind. Treeline temperature around -5 C. Freezing level around 500 m.

Wednesday

Mix of sun and cloud. Light northwest wind. Treeline temperature around 1 C. Freezing level around 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to the wind, once it starts to blow fresh sensitive wind slabs are likely to form.
  • 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.