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Avalanche Forecast

Archived

Dec 16th, 2024–Dec 17th, 2024

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

Regions

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

Continuously assess for wind slab as you move through terrain.

Wind slabs are likely still sensitive to rider traffic.

Confidence

Low

Avalanche Summary

There are no recent avalanche reports for this region.

If you are going out in the backcountry, please consider sharing your observations to the Mountain Information Network (MIN).

Snowpack Summary

Ongoing southerly winds are likely forming wind slabs on northerly aspects. A surface hoar layer may be found in the upper snowpack but it’s depth and distribution are uncertain.

15 to 40 cm overlies a crust on south aspects and all aspects below 1800 m.

Snow depths at treeline are around 80-90 cm.

Weather Summary

Monday Night

Mostly clear skies with trace amounts of snow expected. 10 to 30 km/h south ridgetop wind. Treeline temperature -10 °C.

Tuesday

Cloud increasing throughout the day with 1 to 4 cm of snow expected. 30 to 50 km/h south ridgetop wind. Treeline temperature -5 °C.

Wednesday

Cloudy in the morning and clearing in the afternoon. Up to 10 cm of snow expected by late morning. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -4°C.

Thursday

Mix of sun and cloud  with 1 to 3 cm of snow expected at treeline and above. 40 to 60 km/h south ridgetop wind. Freezing level around 1700 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Use ridges or ribs to avoid areas of wind-loaded snow.

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.