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Avalanche Forecast

Archived

Dec 7th, 2023–Dec 8th, 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, 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.

Watch for fresh storm and wind slabs at higher elevations, where a thick surface crust does not exist.

Confidence

Low

Avalanche Summary

We expect that natural avalanche activity has stopped since the temperatures have dropped in the aftermath of Monday's storm. No new avalanches have been reported.

If you're heading out in the backcountry, please consider sharing any observations on the Mountain Information Network

Snowpack Summary

In alpine areas approximately 20 to 50 cm of recent snow sits over various layers of crusts, faceted snow, and potentially surface hoar in sheltered areas.

At lower elevations, below roughly 1800 m, a widespread thick crust exists. This crust should provide a bridge over any previous layers of concern deeper in the snowpack.

Weather Summary

Thursday Night

Partly cloudy with no precipitation, northwest alpine winds 10 km/h, treeline temperature -8 °C.

Friday

Mostly sunny with no precipitation, southwest alpine winds 10 km/h, treeline temperature -8 °C.

Saturday

Mostly cloudy with 0 to 2 cm of snow, south alpine winds 30 to 50 km/h, treeline temperature -5 °C.

Sunday

Cloudy with 0 to 2 cm of snow, southwest alpine winds 10 to 20 km/h, treeline temperature -4 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Don't be too cavalier with decision making, storm slabs may remain sensitive to human triggering.
  • Early season avalanches at any elevation have the potential to be particularly dangerous due to obstacles that are exposed or just below the surface.

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.