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Avalanche Forecast

Archived

Mar 3rd, 2024–Mar 4th, 2024

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

Regions

South Coast, North Shore, Sasquatch, Sasquatch, Tetrahedron.

Watch for rapidly changing conditions in the afternoon sun.

Back off sun exposed slopes as they become moist, natural activity is likely.

Confidence

Moderate

Avalanche Summary

No new avalanches were reported on Saturday.

Last reports are from Friday where explosive control and riders produced avalanches to size 1 within the storm snow.

Reports indicate the storm snow is beginning to settle and bond, however reactivity is expected to remain in specific features.

Weather Summary

Sunday Night

Cloudy with 5-10 cm of snow in most areas, higher amounts are possible in localised areas. 20-30 km/h southeast ridgetop wind. Freezing level steady at 500 m.

Monday

Cloudy skies to start, clearing to afternoon sun. West winds, 20-30 km/hr. Treeline temperature -7 °C. Freezing level around 500 m.

Tuesday

Mostly clear skies. 30-40 km/h northwest ridgetop wind. Freezing level 500 m. Treeline temperature -7 °C.

Wednesday

A mix of sun and cloud 20-30 km/h northwest ridgetop wind. Freezing level 500 m. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Give the new snow time to settle and stabilize before pushing into bigger terrain.
  • Use appropriate sluff management techniques.
  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
  • Brief periods of sun could quickly initiate natural avalanche activity.

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.

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.