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Avalanche Forecast

Archived

Feb 2nd, 2024–Feb 3rd, 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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

The best quality, safest riding will be high enough where you find dry snow, sheltered enough that it isn't destroyed by wind, and lucky enough that you find 25 cm instead of 5. The hunt is on!

Confidence

Moderate

Avalanche Summary

With the wet avalanche cycle from the early part of the week finished, there is some uncertainty about the amount and reactivity of snow that accumulated in the high alpine through Thursday night. Any wind slabs formed with this new snow are our only real avalanche concerns over the near term.

Snowpack Summary

A variable 5-25 cm of wind-redistributed new snow can be found in the alpine in the region, with amounts tapering rapidly at treeline.

New snow that hasn't already blown away overlies a crust that is becoming thicker and more supportive by the day. This crust is otherwise on the surface, gradually forming a frozen lid over the the rain-soaked upper 30-60 cm of the snowpack.

The mid and lower snowpack consists of variable layers of crusts and faceted snow.

Overall the snowpack remains unusually shallow.

Weather Summary

Friday night

Cloudy with continuing wet flurries and a final trace of new snow above 1500 m. Southwest alpine winds 10 to 15 km/h, easing.

Saturday

Mainly cloudy with isolated flurries. Variable alpine winds shifting northeast, 0-5 km/h. Treeline temperature -3°C with freezing level around 1400 m.

Sunday

Mainly cloudy with isolated flurries. Northeast alpine wind 5-15 km/h. Treeline temperature -5°C with freezing level around 900 m.

Monday

A mix of sun and cloud with isolated flurries. Less than 5 cm accumulating over the past 3 days. East or northeast alpine winds 10-15 km/h. Treeline temperature -5 with freezing level around 900 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Be alert to conditions that change with aspect and elevation.
  • Make observations and assess conditions continually as you travel.

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.