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Avalanche Forecast

Archived

Feb 11th, 2023–Feb 12th, 2023

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.
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, Sky Pilot, Tetrahedron.

Where available, fresh snow will have been redistributed into wind slabs at higher elevations.Watch for changing conditions as you move into exposed terrain.

Confidence

Moderate

Avalanche Summary

There have been no new avalanches reported on In our region since Wednesday. This may change with more snow arriving Sunday night.

Snowpack Summary

Moderate southerly winds will have redistributed the up to 70 cm that has fallen this week at the highest elevations. Warm temperatures and rain reached fairly high elevation so much of the region's snow will be heavy or moist.

A hard crust can now be found in sheltered, approximately 60 to 80 cm deep. The rest of the mid and lower snowpack seems strong and consolidated.

Snowpack depths are reaching 230 cm at treeline.

Weather Summary

Saturday Night

Cloudy, no accumulation, winds northwest 35 km/h, treeline temperatures -2 °C.

Sunday

Cloudy, up to 20 cm accumulation focused mostly on the Sunshine Coast and arriving late in the day and into the evening, winds west then switching to southwest 40 km/h gusting to 60, treeline temperatures -1 °C.

Monday

A mix of sun and cloud, 2 cm accumulation at higher elevations, winds west 35 km/h, treeline temperatures -4 °C.

Tuesday

Mostly sunny, no accumulation, winds northwest 20 km/h, treeline temperatures -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

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.