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Avalanche Forecast

Archived

Jan 23rd, 2023–Jan 24th, 2023

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

Regions

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

Seek out sheltered terrain where snow has not been wind-affected to find the best riding.

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 the weekend is found in wind-sheltered terrain features. In some areas, new snow sits on top of a thin melt-freeze crust. 50 cm of settling snow sits over a hard crust at higher elevations. Below 700 m surface is a hard crust.

Last week's rain saturated the snowpack and created a well-consolidated lower snowpack.

Weather Summary

Monday Night

Cloudy with scattered flurries, 2 cm accumulation. Westerly ridgetop winds of 15-30 km/h. Overnight temperature low -4C. Freezing level of 800 m.

Tuesday

Cloudy with scattered flurries easing in the evening, 2 cm accumulation. Westerly ridge top winds 15-30 km/h. 1500m temperature high of -2C. Freezing levels of 1200 m during the day. 

Overnight an above freezing layer begins to develop between 1500-2800m.

Wednesday

Sunny with cloudy periods. Light westerly ridgetop winds gusting to 25 km/h. 1500m temperature high of +3C. An above freezing layer is present between 1500-2800m.

Thursday

Mix of sun and cloud. Light westerly ridgetop winds gusting to 30 km/h. 1500m temperature high of +1C. An above freezing layer is present between 1500-2800m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be especially cautious as you transition into wind affected terrain.
  • 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.