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Avalanche Forecast

Archived

Feb 10th, 2023–Feb 10th, 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.
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.

Winds will have created fresh wind slabs at higher elevations.

Use caution as you transition into wind affected terrain.

Confidence

Moderate

Avalanche Summary

There have been no new avalanches reported on Thursday. On Wednesday, skiers controlled triggered two wet loose avalanches. There was also a report of an accidentally triggered storm slab avalanche with no involvement.

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

Friday Night

Cloudy, no accumulation, winds west 19 km/h, treeline temperatures -3 C.

Saturday

Cloudy, possible trace accumulation, winds northwest 27 km/h, treeline temperatures - 4 C.

Sunday

Cloudy, 10 to 15 cm accumulation of rain mixed with snow at around 1000 m, winds west then switching to southwest 40 to 50 km/h, treeline temperatures -1 C.

Monday

Mostly cloudy with late day sunny breaks, 2 to 4 cm accumulation at higher elevations, winds west 30 km/h, treeline temperatures -4

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.