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Avalanche Forecast

Archived

Dec 8th, 2023–Dec 9th, 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.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky, Brandywine, Garibaldi, Homathko, Spearhead, Tantalus, Sky Pilot.

Expect avalanche hazard to increase through the day as storm snow accumulates.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since the rain event earlier this week.

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

Snowpack Summary

Incoming snow on Saturday will bury a layer of surface hoar in many areas. Surface hoar sits on 10 to 20 cm of low-density snow overlying a widespread crust. This crust should continue to provide a bridge over any previous layers of concern deeper in the snowpack.

Weather Summary

Friday Night

Mostly clear with no precipitation, south alpine winds 10 to 30 km/h, treeline temperature -9 °C.

Saturday

Cloudy with 10 to 15 cm of snow, southeast alpine winds 50 to 70 km/h, treeline temperature -6 °C.

Sunday

Cloudy with 2 to 10 cm of snow, southwest alpine winds 20 to 40 km/h, treeline temperature -1 °C.

Monday

Mostly clear with no precipitation, south alpine winds 10 to 20 km/h, treeline temperature -1 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Investigate the bond of the recent snow before committing to your line.
  • 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.