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Avalanche Forecast

Archived

Jan 1st, 2023–Jan 2nd, 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, North Shore, Sasquatch, Tetrahedron.

Wet loose avalanches will be possible in steep terrain with warm temperatures and the potential for periods of strong sun. Avoid steep slopes if the snow surface becomes moist or wet.

Confidence

Moderate

Avalanche Summary

Numerous wet loose avalanches were reported on Friday with rain and warm temperatures.

Wet loose activity will be possible on Monday as temperatures rise and the potential for periods of strong sun could destabilize the upper snowpack. Watch for changing conditions throughout the day.

Please continue to post your observations and photos to the Mountain Information Network.

Snowpack Summary

15-30 cm of moist new snow overlies an unsupportive crust. The remainder of the snowpack is moisture-saturated and isothermal to the ground. If temperatures cool, a crust may be found on the snow surface.

Treeline snow depths are roughly 150 to 200 cm.

Weather Summary

Sunday night

Clear periods. Alpine temperatures drop to a low of 0 °C. Ridge wind east 10-25 km/h. Freezing level drops to 1000 metres.

Monday

A mix of sun and cloud. Alpine temperatures reach a high of 6 °C. Mostly light ridge wind occasionally gusting to 35 km/h from the southwest. Freezing levels reach a high of 1600 metres.

Tuesday

Flurries, 5-10 cm of accumulation. Alpine temperatures reach a high of 2 °C. Mostly light ridge wind occasionally gusting to 35 km/h from the southwest. Freezing level rises to 1300 metres.

Wednesday

Cloudy with sunny periods and isolated wet flurries or rain. Accumulation around 5 cm. Alpine temperatures reach a high of 6 °C. Ridge wind east 15-35 km/h. Freezing level rises to 1800 metres.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Loose avalanches may start small but they can grow and push you into dangerous terrain.
  • Keep in mind that wet avalanches can be destructive due to their high density.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.