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Avalanche Forecast

Archived

Mar 14th, 2026–Mar 15th, 2026

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

Regions

Lizard-Flathead, Akamina, Flathead, Lizard, Moyie.

Don't let sunny skies lure you onto large, steep slopes.

Large slab avalanches remain possible to trigger at treeline and above.

Confidence

Moderate

  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

On Friday, a naturally triggered size 2.5 persistent slab was reported near Fernie on a north aspect below a steep headwall in the alpine.

Numerous naturally triggered size 2 storm slabs were also reported on primarily north/east aspects in the alpine.

Snowpack Summary

Cornices are large and looming. Avoid traveling underneath them.

30 to 40 cm of recent snow and strong southwest winds have formed storm slabs that will be most reactive in wind-affected terrain.

The recent snow sits on a 1 to 10 cm thick crust on all aspects. The thickness of the crust depends on elevation.

At upper elevations, where the crust is thinner or not present, it may still be possible to trigger persistent slabs on multiple buried weak layers of surface hoar and/or crusts in the top 120 cm of the snowpack.

The mid/lower snowpack is well settled and strong in most areas.

Weather Summary

Saturday Night
Partly cloudy. 0 to 3 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -13 °C.

Sunday
Sunny. 30 km/h west ridgetop wind. Treeline temperature -12 °C.

Monday
Mostly cloudy. 50 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level rising to 1800 m.

Tuesday
Mostly cloudy. 2 to 5 mm of rain at treeline. 70 km/h west ridgetop wind. Treeline temperature 4 °C. Freezing level rising to 2400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be aware of the potential for large avalanches due to buried surface hoar.
  • Make conservative terrain choices and avoid overhead hazard.
  • Expect slab conditions to change drastically as you move into wind-exposed terrain.
  • Cornice failures could trigger large and destructive avalanches.

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.

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.

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.