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Avalanche Forecast

Archived

Mar 31st, 2024–Apr 1st, 2024

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

Regions

Cariboos, Blue River, McBride, Premier, Quesnel, Clemina, Renshaw, Robson.

If the sun comes out, expect wet loose avalanches to start.

Avoid being exposed to steep slopes in the sun.

Confidence

High

Avalanche Summary

No new avalanches were reported on Sunday at the time of publishing.

Several small dry loose avalanches were reported on Saturday.

Snowpack Summary

20 to 40 cm of snow accumulated above around 1000 m to 1500 m over the past few days. All this snow sits on surface hoar crystals that overly faceted or wind-affected snow on northerly alpine terrain or a hard melt-freeze crust elsewhere.

A widespread crust that formed in early February is buried anywhere from 80 to 150 cm deep. This crust has a weak layer of faceted grains above it that are slowly strengthening. This layer is currently dormant.

The remainder of the snowpack is settled.

Weather Summary

Sunday Night

Mostly cloudy. 10 to 20 km/h west ridgetop wind. Treeline temperature -4 °C.

Monday

Clear skies, clouds increasing in the afternoon. 10 to 20 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

Tuesday

Mostly cloudy. 50 km/h south ridgetop wind. Treeline temperature 5 °C. Freezing level 2500 m.

Wednesday

Partly cloudy with 10 to 20 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Avoid exposure to steep sun exposed slopes.
  • Carefully evaluate steep lines for wind slabs.
  • Avoid thin areas like rock outcroppings where you're most likely to trigger avalanches failing on deep weak layers.

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.

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.