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Avalanche Forecast

Archived

Apr 1st, 2025–Apr 2nd, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
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 Rockies, Akamina, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Carefully assess and verify conditions as you move through terrain

Use extra caution in shallow rocky terrain, especially on north facing alpine slopes

Confidence

Moderate

Avalanche Summary

Small, natural and skier triggered wet and dry loose avalanches continue to be reported in the region.

Snowpack Summary

The upper  snowpack is highly variable. A crust exists on or near the surface on all aspects below treeline and on all sun exposed slopes.  On north aspects, Up to 20 cm of snow has buried a melt-freeze crust from late March. Below these crusts, the upper snowpack is moist.

A weak layer of facets from late January can be found down 60 to 100 cm.

Weather Summary

Precipitation amounts over the next 24hrs could be highly variable due to convection.

Tuesday Night

Mix of cloud and clear skies with 0 to 5 cm of snow. 15 to 30 km/h west ridgetop wind. Treeline temperature -8 °C.

Wednesday

Mix of sun and cloud with up to 10 cm of snow in the afternoon. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Thursday

Mostly cloudy with up to 5 cm of snow. 20 to 40 km/h north ridgetop wind. Treeline temperature -8 °C.

Friday

Sunny. 10 to 30 km/h northwest ridgetop wind . Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.
  • Avoid travelling on slopes below cornices.
  • Make observations and continually assess conditions as you travel.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.

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.