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Avalanche Forecast

Archived

Mar 29th, 2025–Mar 30th, 2025

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

Regions

South Rockies, Akamina, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Surface crust distribution is variable in its supportiveness; moist snow in the upper snowpack is slow to refreeze. Watch out for areas where a supportive melt-freeze crust hasn't formed.

Confidence

Moderate

Snowpack Summary

Recent snow buries a widespread surface crust that becomes more supportive as you gain elevation.

Refrozen and moist snow can be found in the upper snowpack, depending on elevation, which overlies a settled mid-pack.

In the lower snowpack, a persistent weak layer of facets remains a concern where there is no supportive melt-freeze crust.

Weather Summary

Saturday Night

Mostly cloudy with isolated flurries, 2 to 5 cm. 10 km/h northeast ridgetop wind. Treeline temperature -8 °C.

Sunday

Partly cloudy. 10 to 15 km/h northeast wind. Treeline temperatures -6 °C. Freezing level 1800 m.

Monday

Partly cloudy, isolated flurries 2 cm. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1700 m.

Tuesday

Partly cloudy, isolated flurries 1 to 3 cm. 10 to 20 km/h west ridgetop wind. Treeline temperature -3 °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.
  • Make observations and continually assess conditions as you travel.

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.